Commit Graph

31105 Commits

Author SHA1 Message Date
Mauro Carvalho Chehab
38975e905a bus-virt-phys-mapping.txt: standardize document format
Each text file under Documentation follows a different
format. Some doesn't even have titles!

Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:

- Move author info to the beginning of file and use :Author:
- use warning/note annotation;
- mark literal blocks as such;
- Add a title for the document;
- use **emphasis** instead of _emphasis_.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-14 13:51:28 -06:00
Mauro Carvalho Chehab
7f4e012133 btmrvl.txt: standardize document format
Each text file under Documentation follows a different
format. Some doesn't even have titles!

Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:

- Use the right notation for titles;
- Use a list for image names;
- Use literal blocks where needed;
- Whitespace fixes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-14 13:51:27 -06:00
Mauro Carvalho Chehab
b4b8af5c4e bt8xxgpio.txt: standardize document format
Each text file under Documentation follows a different
format. Some doesn't even have titles!

Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:

- Adjust titles to match the convention;
- use a literal block for ascii artwork.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-14 13:51:27 -06:00
Mauro Carvalho Chehab
a966ac73d7 bcache.txt: standardize document format
Each text file under Documentation follows a different
format. Some doesn't even have titles!

Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:

- Add a title for the document;
- Use a list for the listed URLs;
- mark literal blocks;
- adjust whitespaces;
- Don't capitalize section titles.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-14 13:51:27 -06:00
Roman Kagan
d3457c877b kvm: x86: hyperv: make VP_INDEX managed by userspace
Hyper-V identifies vCPUs by Virtual Processor Index, which can be
queried via HV_X64_MSR_VP_INDEX msr.  It is defined by the spec as a
sequential number which can't exceed the maximum number of vCPUs per VM.
APIC ids can be sparse and thus aren't a valid replacement for VP
indices.

Current KVM uses its internal vcpu index as VP_INDEX.  However, to make
it predictable and persistent across VM migrations, the userspace has to
control the value of VP_INDEX.

This patch achieves that, by storing vp_index explicitly on vcpu, and
allowing HV_X64_MSR_VP_INDEX to be set from the host side.  For
compatibility it's initialized to KVM vcpu index.  Also a few variables
are renamed to make clear distinction betweed this Hyper-V vp_index and
KVM vcpu_id (== APIC id).  Besides, a new capability,
KVM_CAP_HYPERV_VP_INDEX, is added to allow the userspace to skip
attempting msr writes where unsupported, to avoid spamming error logs.

Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-07-14 16:28:18 +02:00
Wanpeng Li
52a5c155cf KVM: async_pf: Let guest support delivery of async_pf from guest mode
Adds another flag bit (bit 2) to MSR_KVM_ASYNC_PF_EN. If bit 2 is 1,
async page faults are delivered to L1 as #PF vmexits; if bit 2 is 0,
kvm_can_do_async_pf returns 0 if in guest mode.

This is similar to what svm.c wanted to do all along, but it is only
enabled for Linux as L1 hypervisor.  Foreign hypervisors must never
receive async page faults as vmexits, because they'd probably be very
confused about that.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-07-14 14:26:16 +02:00
Mat Martineau
7228b66aaf KEYS: Add documentation for asymmetric keyring restrictions
Provide more specific examples of keyring restrictions as applied to
X.509 signature chain verification.

Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2017-07-14 11:01:38 +10:00
Linus Torvalds
954e6e03c6 A set of fixes for various warnings, including the one caused by the
removal of kernel/rcu/srcu.c.  Also correct a stray pointer in
 memory-barriers.txt.
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Merge tag '4.13-fixes' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A set of fixes for various warnings, including the one caused by the
  removal of kernel/rcu/srcu.c. Also correct a stray pointer in
  memory-barriers.txt"

* tag '4.13-fixes' of git://git.lwn.net/linux:
  kokr/memory-barriers.txt: Fix obsolete link to atomic_ops.txt
  memory-barriers.txt: Fix broken link to atomic_ops.txt
  docs: Turn off section numbering for the input docs
  docs: Include uaccess docs from the right file
  docs: Do not include from kernel/rcu/srcu.c
2017-07-13 13:44:54 -07:00
Linus Torvalds
bc0f51d359 A few more minor updates:
- Show the tgid mappings for user space trace tools to use
 
  - Fix and optimize the comm and tgid cache recording
 
  - Sanitize derived kprobe names
 
  - Ftrace selftest updates
 
  - trace file header fix
 
  - Update of Documentation/trace/ftrace.txt
 
  - Compiler warning fixes
 
  - Fix possible uninitialized variable
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Merge tag 'trace-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull more tracing updates from Steven Rostedt:
 "A few more minor updates:

   - Show the tgid mappings for user space trace tools to use

   - Fix and optimize the comm and tgid cache recording

   - Sanitize derived kprobe names

   - Ftrace selftest updates

   - trace file header fix

   - Update of Documentation/trace/ftrace.txt

   - Compiler warning fixes

   - Fix possible uninitialized variable"

* tag 'trace-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace: Fix uninitialized variable in match_records()
  ftrace: Remove an unneeded NULL check
  ftrace: Hide cached module code for !CONFIG_MODULES
  tracing: Do note expose stack_trace_filter without DYNAMIC_FTRACE
  tracing: Update Documentation/trace/ftrace.txt
  tracing: Fixup trace file header alignment
  selftests/ftrace: Add a testcase for kprobe event naming
  selftests/ftrace: Add a test to probe module functions
  selftests/ftrace: Update multiple kprobes test for powerpc
  trace/kprobes: Sanitize derived event names
  tracing: Attempt to record other information even if some fail
  tracing: Treat recording tgid for idle task as a success
  tracing: Treat recording comm for idle task as a success
  tracing: Add saved_tgids file to show cached pid to tgid mappings
2017-07-13 13:17:19 -07:00
Linus Torvalds
ad51271afc Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:

- various misc things

- kexec updates

- sysctl core updates

- scripts/gdb udpates

- checkpoint-restart updates

- ipc updates

- kernel/watchdog updates

- Kees's "rough equivalent to the glibc _FORTIFY_SOURCE=1 feature"

- "stackprotector: ascii armor the stack canary"

- more MM bits

- checkpatch updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (96 commits)
  writeback: rework wb_[dec|inc]_stat family of functions
  ARM: samsung: usb-ohci: move inline before return type
  video: fbdev: omap: move inline before return type
  video: fbdev: intelfb: move inline before return type
  USB: serial: safe_serial: move __inline__ before return type
  drivers: tty: serial: move inline before return type
  drivers: s390: move static and inline before return type
  x86/efi: move asmlinkage before return type
  sh: move inline before return type
  MIPS: SMP: move asmlinkage before return type
  m68k: coldfire: move inline before return type
  ia64: sn: pci: move inline before type
  ia64: move inline before return type
  FRV: tlbflush: move asmlinkage before return type
  CRIS: gpio: move inline before return type
  ARM: HP Jornada 7XX: move inline before return type
  ARM: KVM: move asmlinkage before type
  checkpatch: improve the STORAGE_CLASS test
  mm, migration: do not trigger OOM killer when migrating memory
  drm/i915: use __GFP_RETRY_MAYFAIL
  ...
2017-07-13 12:38:49 -07:00
Linus Torvalds
3a00be1923 RTC for 4.13
Subsystem:
  - expose non volatile RAM using nvmem instead of open coding in many
  drivers. Unfortunately, this option has to be enabled by default to not
  break existing users.
  - rtctest can now test for cutoff dates, showing when an RTC will start
  failing to properly save time and date.
  - new RTC registration functions to remove race conditions in drivers
 
 Newly supported RTCs:
  - Broadcom STB wake-timer
  - Epson RX8130CE
  - Maxim IC DS1308
  - STMicroelectronics STM32H7
 
 Drivers:
  - ds1307: use regmap, use nvmem, more cleanups
  - ds3232: temperature reading support
  - gemini: renamed to ftrtc010
  - m41t80: use CCF to expose the clock
  - rv8803: use nvmem
  - s3c: many cleanups
  - st-lpc: fix y2106 bug
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Merge tag 'rtc-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Here is the pull-request for the RTC subsystem for 4.13.

  Subsystem:

   - expose non volatile RAM using nvmem instead of open coding in many
     drivers. Unfortunately, this option has to be enabled by default to
     not break existing users.

   - rtctest can now test for cutoff dates, showing when an RTC will
     start failing to properly save time and date.

   - new RTC registration functions to remove race conditions in drivers

  Newly supported RTCs:

   - Broadcom STB wake-timer

   - Epson RX8130CE

   - Maxim IC DS1308

   - STMicroelectronics STM32H7

  Drivers:

   - ds1307: use regmap, use nvmem, more cleanups

   - ds3232: temperature reading support

   - gemini: renamed to ftrtc010

   - m41t80: use CCF to expose the clock

   - rv8803: use nvmem

   - s3c: many cleanups

   - st-lpc: fix y2106 bug"

* tag 'rtc-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (51 commits)
  rtc: Remove wrong deprecation comment
  nvmem: include linux/err.h from header
  rtc: st-lpc: make it robust against y2038/2106 bug
  rtc: rtctest: add check for problematic dates
  tools: timer: add rtctest_setdate
  rtc: ds1307: remove ds1307_remove
  rtc: ds1307: use generic nvmem
  rtc: ds1307: switch to rtc_register_device
  rtc: rv8803: remove rv8803_remove
  rtc: rv8803: use generic nvmem support
  rtc: rv8803: switch to rtc_register_device
  rtc: add generic nvmem support
  rtc: at91rm9200: remove race condition
  rtc: introduce new registration method
  rtc: class separate id allocation from registration
  rtc: class separate device allocation from registration
  rtc: stm32: add STM32H7 RTC support
  dt-bindings: rtc: stm32: add support for STM32H7
  rtc: ds1307: add ds1308 variant
  rtc: ds3232: add temperature support
  ...
2017-07-13 12:15:06 -07:00
Linus Torvalds
b5e16170f5 MTD updates for v4.13-rc1:
General updates
 
  * Cleanups and additional flash support for "dataflash" driver
  * new driver for mchp23k256 SPI SRAM device
  * improve handling of MTDs without eraseblocks (i.e., MTD_NO_ERASE)
  * refactor and improve "sub-partition" handling with TRX partition
    parser; partitions can now be created as sub-partitions of another
    partition
 
 SPI NOR updates, from Cyrille Pitchen and Marek Vasut:
  * introduce support to the SPI 1-2-2 and 1-4-4 protocols.
  * introduce support to the Double Data Rate (DDR) mode.
  * introduce support to the Octo SPI protocols.
  * add support to new memory parts for Spansion, Macronix and Winbond.
  * add fixes for the Aspeed, STM32 and Cadence QSPI controler drivers.
  * clean up the st_spi_fsm driver.
 
 NAND updates, from Boris Brezillon:
 
  * addition of on-die ECC support to Micron driver
  * addition of helpers to help drivers choose most appropriate ECC
    settings
  * deletion of dead-code (cached programming and ->errstat() hook)
  * make sure drivers that do not support the SET/GET FEATURES command
    return ENOTSUPP use a dummy ->set/get_features implementation
    returning -ENOTSUPP (required for Micron on-die ECC)
  * change the semantic of ecc->write_page() for drivers setting the
    NAND_ECC_CUSTOM_PAGE_ACCESS flag
  * support exiting 'GET STATUS' command in default ->cmdfunc()
    implementations
  * change the prototype of ->setup_data_interface()
 
  A bunch of driver related changes:
 
  * various cleanup, fixes and improvements of the MTK driver
  * OMAP DT bindings fixes
  * support for ->setup_data_interface() in the fsmc driver
  * support for imx7 in the gpmi driver
  * finalization of the denali driver rework (thanks to Masahiro for the
    work he's done on this driver)
  * fix "bitflips in erased pages" handling in the ifc driver
  * addition of PM ops and dynamic timing configuration to the atmel
    driver
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Merge tag 'for-linus-20170713' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "General updates:
   - Cleanups and additional flash support for "dataflash" driver
   - new driver for mchp23k256 SPI SRAM device
   - improve handling of MTDs without eraseblocks (i.e., MTD_NO_ERASE)
   - refactor and improve "sub-partition" handling with TRX partition
     parser; partitions can now be created as sub-partitions of another
     partition

  SPINOR updates, from Cyrille Pitchen and Marek Vasut:
   - introduce support to the SPI 1-2-2 and 1-4-4 protocols.
   - introduce support to the Double Data Rate (DDR) mode.
   - introduce support to the Octo SPI protocols.
   - add support to new memory parts for Spansion, Macronix and Winbond.
   - add fixes for the Aspeed, STM32 and Cadence QSPI controler drivers.
   - clean up the st_spi_fsm driver.

  NAND updates, from Boris Brezillon:
   - addition of on-die ECC support to Micron driver
   - addition of helpers to help drivers choose most appropriate ECC
     settings
   - deletion of dead-code (cached programming and ->errstat() hook)
   - make sure drivers that do not support the SET/GET FEATURES command
     return ENOTSUPP use a dummy ->set/get_features implementation
     returning -ENOTSUPP (required for Micron on-die ECC)
   - change the semantic of ecc->write_page() for drivers setting the
     NAND_ECC_CUSTOM_PAGE_ACCESS flag
   - support exiting 'GET STATUS' command in default ->cmdfunc()
     implementations
   - change the prototype of ->setup_data_interface()

  A bunch of driver related changes:
   - various cleanup, fixes and improvements of the MTK driver
   - OMAP DT bindings fixes
   - support for ->setup_data_interface() in the fsmc driver
   - support for imx7 in the gpmi driver
   - finalization of the denali driver rework (thanks to Masahiro for
     the work he's done on this driver)
   - fix "bitflips in erased pages" handling in the ifc driver
   - addition of PM ops and dynamic timing configuration to the atmel
     driver"

* tag 'for-linus-20170713' of git://git.infradead.org/linux-mtd: (118 commits)
  Documentation: ABI: mtd: describe "offset" more precisely
  mtd: Fix check in mtd_unpoint()
  mtd: nand: mtk: release lock on error path
  mtd: st_spi_fsm: remove SPINOR_OP_RDSR2 and use SPINOR_OP_RDCR instead
  mtd: spi-nor: cqspi: remove duplicate const
  mtd: spi-nor: Add support for Spansion S25FL064L
  mtd: spi-nor: Add support for mx66u51235f
  mtd: nand: mtk: add ->setup_data_interface() hook
  mtd: nand: mtk: remove unneeded mtk_ecc_hw_init from mtk_ecc_resume
  mtd: nand: mtk: remove unneeded mtk_nfc_hw_init from mtk_nfc_resume
  mtd: nand: mtk: disable ecc irq when writing page with hwecc
  mtd: nand: mtk: fix incorrect register setting order about ecc irq
  mtd: partitions: fixup some allocate_partition() whitespace
  mtd: parsers: trx: fix pr_err format for printing offset
  MAINTAINERS: Update SPI NOR subsystem git repositories
  mtd: extract TRX parser out of bcm47xxpart into a separated module
  mtd: partitions: add support for partition parsers
  mtd: partitions: add support for subpartitions
  mtd: partitions: rename "master" to the "parent" where appropriate
  mtd: partitions: remove sysfs files when deleting all master's partitions
  ...
2017-07-13 12:07:44 -07:00
Linus Torvalds
38f7d2da4e pwm: Changes for v4.13-rc1
This release cycle's changes include mostly updates and cleanups to
 existing drivers along with a few cleanups to the core, documentation
 and device tree bindings.
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Merge tag 'pwm/for-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This release cycle's changes include mostly updates and cleanups to
  existing drivers along with a few cleanups to the core, documentation
  and device tree bindings"

* tag 'pwm/for-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: cros-ec: Fix transposed param settings
  pwm: meson: Improve PWM calculation precision
  dt-bindings: pwm: meson: Add compatible for gxbb ao PWMs
  pwm: meson: Add compatible for the gxbb ao PWMs
  pwm: sun4i: Drop legacy callbacks
  pwm: sun4i: Switch to atomic PWM
  pwm: sun4i: Improve hardware read out
  pwm: hibvt: Constify hibvt_pwm_ops
  pwm: Silently error out on EPROBE_DEFER
  pwm: Standardize document format
  pwm: bfin: Remove unneeded error message
  dt-bindings: pwm: Update STM32 timers clock names
  dt-bindings: pwm: Add R-Car M3-W device tree bindings
  pwm: tegra: Set maximum pwm clock source per SoC tapeout
2017-07-13 11:49:52 -07:00
Rafał Miłecki
7d84120b5b Documentation: ABI: mtd: describe "offset" more precisely
So far Linux supported only two levels of MTD devices so we didn't need
a very precise description for this sysfs file. With commit
97519dc52b ("mtd: partitions: add support for subpartitions") there
is support for a tree structure so we should have more precise
description. Using "parent" and "flash device" makes it more accurate.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2017-07-13 10:54:45 -07:00
Roman Kagan
efc479e690 kvm: x86: hyperv: add KVM_CAP_HYPERV_SYNIC2
There is a flaw in the Hyper-V SynIC implementation in KVM: when message
page or event flags page is enabled by setting the corresponding msr,
KVM zeroes it out.  This is problematic because on migration the
corresponding MSRs are loaded on the destination, so the content of
those pages is lost.

This went unnoticed so far because the only user of those pages was
in-KVM hyperv synic timers, which could continue working despite that
zeroing.

Newer QEMU uses those pages for Hyper-V VMBus implementation, and
zeroing them breaks the migration.

Besides, in newer QEMU the content of those pages is fully managed by
QEMU, so zeroing them is undesirable even when writing the MSRs from the
guest side.

To support this new scheme, introduce a new capability,
KVM_CAP_HYPERV_SYNIC2, which, when enabled, makes sure that the synic
pages aren't zeroed out in KVM.

Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2017-07-13 17:41:04 +02:00
Linus Torvalds
edaf382518 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

1) Fix 64-bit division in mlx5 IPSEC offload support, from Ilan Tayari
   and Arnd Bergmann.

2) Fix race in statistics gathering in bnxt_en driver, from Michael
   Chan.

3) Can't use a mutex in RCU reader protected section on tap driver, from
   Cong WANG.

4) Fix mdb leak in bridging code, from Eduardo Valentin.

5) Fix free of wrong pointer variable in nfp driver, from Dan Carpenter.

6) Buffer overflow in brcmfmac driver, from Arend van SPriel.

7) ioremap_nocache() return value needs to be checked in smsc911x
   driver, from Alexey Khoroshilov.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
  net: stmmac: revert "support future possible different internal phy mode"
  sfc: don't read beyond unicast address list
  datagram: fix kernel-doc comments
  socket: add documentation for missing elements
  smsc911x: Add check for ioremap_nocache() return code
  brcmfmac: fix possible buffer overflow in brcmf_cfg80211_mgmt_tx()
  net: hns: Bugfix for Tx timeout handling in hns driver
  net: ipmr: ipmr_get_table() returns NULL
  nfp: freeing the wrong variable
  mlxsw: spectrum_switchdev: Check status of memory allocation
  mlxsw: spectrum_switchdev: Remove unused variable
  mlxsw: spectrum_router: Fix use-after-free in route replace
  mlxsw: spectrum_router: Add missing rollback
  samples/bpf: fix a build issue
  bridge: mdb: fix leak on complete_info ptr on fail path
  tap: convert a mutex to a spinlock
  cxgb4: fix BUG() on interrupt deallocating path of ULD
  qed: Fix printk option passed when printing ipv6 addresses
  net: Fix minor code bug in timestamping.txt
  net: stmmac: Make 'alloc_dma_[rt]x_desc_resources()' look even closer
  ...
2017-07-12 19:30:57 -07:00
Michal Hocko
dcda9b0471 mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic
__GFP_REPEAT was designed to allow retry-but-eventually-fail semantic to
the page allocator.  This has been true but only for allocations
requests larger than PAGE_ALLOC_COSTLY_ORDER.  It has been always
ignored for smaller sizes.  This is a bit unfortunate because there is
no way to express the same semantic for those requests and they are
considered too important to fail so they might end up looping in the
page allocator for ever, similarly to GFP_NOFAIL requests.

Now that the whole tree has been cleaned up and accidental or misled
usage of __GFP_REPEAT flag has been removed for !costly requests we can
give the original flag a better name and more importantly a more useful
semantic.  Let's rename it to __GFP_RETRY_MAYFAIL which tells the user
that the allocator would try really hard but there is no promise of a
success.  This will work independent of the order and overrides the
default allocator behavior.  Page allocator users have several levels of
guarantee vs.  cost options (take GFP_KERNEL as an example)

 - GFP_KERNEL & ~__GFP_RECLAIM - optimistic allocation without _any_
   attempt to free memory at all. The most light weight mode which even
   doesn't kick the background reclaim. Should be used carefully because
   it might deplete the memory and the next user might hit the more
   aggressive reclaim

 - GFP_KERNEL & ~__GFP_DIRECT_RECLAIM (or GFP_NOWAIT)- optimistic
   allocation without any attempt to free memory from the current
   context but can wake kswapd to reclaim memory if the zone is below
   the low watermark. Can be used from either atomic contexts or when
   the request is a performance optimization and there is another
   fallback for a slow path.

 - (GFP_KERNEL|__GFP_HIGH) & ~__GFP_DIRECT_RECLAIM (aka GFP_ATOMIC) -
   non sleeping allocation with an expensive fallback so it can access
   some portion of memory reserves. Usually used from interrupt/bh
   context with an expensive slow path fallback.

 - GFP_KERNEL - both background and direct reclaim are allowed and the
   _default_ page allocator behavior is used. That means that !costly
   allocation requests are basically nofail but there is no guarantee of
   that behavior so failures have to be checked properly by callers
   (e.g. OOM killer victim is allowed to fail currently).

 - GFP_KERNEL | __GFP_NORETRY - overrides the default allocator behavior
   and all allocation requests fail early rather than cause disruptive
   reclaim (one round of reclaim in this implementation). The OOM killer
   is not invoked.

 - GFP_KERNEL | __GFP_RETRY_MAYFAIL - overrides the default allocator
   behavior and all allocation requests try really hard. The request
   will fail if the reclaim cannot make any progress. The OOM killer
   won't be triggered.

 - GFP_KERNEL | __GFP_NOFAIL - overrides the default allocator behavior
   and all allocation requests will loop endlessly until they succeed.
   This might be really dangerous especially for larger orders.

Existing users of __GFP_REPEAT are changed to __GFP_RETRY_MAYFAIL
because they already had their semantic.  No new users are added.
__alloc_pages_slowpath is changed to bail out for __GFP_RETRY_MAYFAIL if
there is no progress and we have already passed the OOM point.

This means that all the reclaim opportunities have been exhausted except
the most disruptive one (the OOM killer) and a user defined fallback
behavior is more sensible than keep retrying in the page allocator.

[akpm@linux-foundation.org: fix arch/sparc/kernel/mdesc.c]
[mhocko@suse.com: semantic fix]
  Link: http://lkml.kernel.org/r/20170626123847.GM11534@dhcp22.suse.cz
[mhocko@kernel.org: address other thing spotted by Vlastimil]
  Link: http://lkml.kernel.org/r/20170626124233.GN11534@dhcp22.suse.cz
Link: http://lkml.kernel.org/r/20170623085345.11304-3-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Alex Belits <alex.belits@cavium.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: NeilBrown <neilb@suse.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 16:26:03 -07:00
Dmitry Vyukov
e41d58185f fault-inject: support systematic fault injection
Add /proc/self/task/<current-tid>/fail-nth file that allows failing
0-th, 1-st, 2-nd and so on calls systematically.
Excerpt from the added documentation:

 "Write to this file of integer N makes N-th call in the current task
  fail (N is 0-based). Read from this file returns a single char 'Y' or
  'N' that says if the fault setup with a previous write to this file
  was injected or not, and disables the fault if it wasn't yet injected.
  Note that this file enables all types of faults (slab, futex, etc).
  This setting takes precedence over all other generic settings like
  probability, interval, times, etc. But per-capability settings (e.g.
  fail_futex/ignore-private) take precedence over it. This feature is
  intended for systematic testing of faults in a single system call. See
  an example below"

Why add a new setting:
1. Existing settings are global rather than per-task.
   So parallel testing is not possible.
2. attr->interval is close but it depends on attr->count
   which is non reset to 0, so interval does not work as expected.
3. Trying to model this with existing settings requires manipulations
   of all of probability, interval, times, space, task-filter and
   unexposed count and per-task make-it-fail files.
4. Existing settings are per-failure-type, and the set of failure
   types is potentially expanding.
5. make-it-fail can't be changed by unprivileged user and aggressive
   stress testing better be done from an unprivileged user.
   Similarly, this would require opening the debugfs files to the
   unprivileged user, as he would need to reopen at least times file
   (not possible to pre-open before dropping privs).

The proposed interface solves all of the above (see the example).

We want to integrate this into syzkaller fuzzer.  A prototype has found
10 bugs in kernel in first day of usage:

  https://groups.google.com/forum/#!searchin/syzkaller/%22FAULT_INJECTION%22%7Csort:relevance

I've made the current interface work with all types of our sandboxes.
For setuid the secret sauce was prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) to
make /proc entries non-root owned.  So I am fine with the current
version of the code.

[akpm@linux-foundation.org: fix build]
Link: http://lkml.kernel.org/r/20170328130128.101773-1-dvyukov@google.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 16:26:01 -07:00
Cyrill Gorcunov
77493f04b7 procfs: fdinfo: extend information about epoll target files
Since it is possbile to have same number in tfd field (say file added,
closed, then nother file dup'ed to same number and added back) it is
imposible to distinguish such target files solely by their numbers.

Strictly speaking regular applications don't need to recognize these
targets at all but for checkpoint/restore sake we need to collect
targets to be able to push them back on restore stage in a proper order.

Thus lets add file position, inode and device number where this target
lays.  This three fields can be used as a primary key for sorting, and
together with kcmp help CRIU can find out an exact file target (from the
whole set of processes being checkpointed).

Link: http://lkml.kernel.org/r/20170424154423.436491881@gmail.com
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Andrei Vagin <avagin@virtuozzo.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 16:26:01 -07:00
Bharat Bhushan
a711bdc095 kexec/kdump: minor Documentation updates for arm64 and Image
Minor updates in Documentation for arm64 as relocatable kernel.  Also
this patch updates documentation for using uncompressed image "Image"
which is used for ARM64.

Link: http://lkml.kernel.org/r/1495104793-6563-1-git-send-email-Bharat.Bhushan@nxp.com
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Pratyush Anand <panand@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 16:26:00 -07:00
SeongJae Park
51e988f409 kokr/memory-barriers.txt: Fix obsolete link to atomic_ops.txt
Obsolete links to atomic_ops.txt exist in ko_KR/memory-barriers.txt
though the file has moved to core-api/atomic_ops.rst.  This commit fixes
the obsolete links.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-12 16:56:40 -06:00
SeongJae Park
3afadfd902 memory-barriers.txt: Fix broken link to atomic_ops.txt
Few obsolete links to atomic_ops.txt exist in memory-barriers.txt though
the file has moved to core-api/atomic_ops.rst.  This commit fixes the
obsolete links.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-12 16:56:30 -06:00
Jonathan Corbet
6d16e9143e docs: Turn off section numbering for the input docs
The input docs enable section numbering at multiple levels, leading to a
lot of bright-red "nested numbered toctree" warnings in newer Sphinx
versions.  Just take that directive out for now to help alleviate the
global red-pixel shortage.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-12 16:51:44 -06:00
Jonathan Corbet
7d2b39ab9b docs: Include uaccess docs from the right file
Documentation/core-api/kernel-api.rst was including kerneldoc comments from
arch/x86/include/asm/uaccess_32.h, but the relevant comments moved to
.../uaccess.h some time ago.  Correct the include to pick up the comments
and eliminate a warning.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-12 16:51:38 -06:00
Linus Torvalds
235b84fc86 Merge branch 'i2c/for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "This pull request contains:

   - i2c core reorganization. One source file became too monolithic. It
     is now split up, yet we still have the same named object as the
     final output. This should ease maintenance.

   - new drivers: ZTE ZX2967 family, ASPEED 24XX/25XX

   - designware driver gained slave mode support

   - xgene-slimpro driver gained ACPI support

   - bigger overhaul for pca-platform driver

   - the algo-bit module now supports messages with enforced STOP

   - slightly bigger than usual set of driver updates and improvements

  and with much appreciated quality assurance from Andy Shevchenko"

* 'i2c/for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (51 commits)
  i2c: Provide a stub for i2c_detect_slave_mode()
  i2c: designware: Let slave adapter support be optional
  i2c: designware: Make HW init functions static
  i2c: designware: fix spelling mistakes
  i2c: pca-platform: propagate error from i2c_pca_add_numbered_bus
  i2c: pca-platform: correctly set algo_data.reset_chip
  i2c: acpi: Do not create i2c-clients for LNXVIDEO ACPI devices
  i2c: designware: enable SLAVE in platform module
  i2c: designware: add SLAVE mode functions
  i2c: zx2967: drop COMPILE_TEST dependency
  i2c: zx2967: always use the same device when printing errors
  i2c: pca-platform: use dev_warn/dev_info instead of printk
  i2c: pca-platform: use device managed allocations
  i2c: pca-platform: add devicetree awareness
  i2c: pca-platform: switch to struct gpio_desc
  dt-bindings: add bindings for i2c-pca-platform
  i2c: cadance: fix ctrl/addr reg write order
  i2c: zx2967: add i2c controller driver for ZTE's zx2967 family
  dt: bindings: add documentation for zx2967 family i2c controller
  i2c: algo-bit: add support for I2C_M_STOP
  ...
2017-07-12 10:04:56 -07:00
Linus Torvalds
fb4e3beeff IOMMU Updates for Linux v4.13
This update comes with:
 
 	* Support for lockless operation in the ARM io-pgtable code.
 	  This is an important step to solve the scalability problems in
 	  the common dma-iommu code for ARM
 
 	* Some Errata workarounds for ARM SMMU implemenations
 
 	* Rewrite of the deferred IO/TLB flush code in the AMD IOMMU
 	  driver. The code suffered from very high flush rates, with the
 	  new implementation the flush rate is down to ~1% of what it
 	  was before
 
 	* Support for amd_iommu=off when booting with kexec. Problem
 	  here was that the IOMMU driver bailed out early without
 	  disabling the iommu hardware, if it was enabled in the old
 	  kernel
 
 	* The Rockchip IOMMU driver is now available on ARM64
 
 	* Align the return value of the iommu_ops->device_group
 	  call-backs to not miss error values
 
 	* Preempt-disable optimizations in the Intel VT-d and common
 	  IOVA code to help Linux-RT
 
 	* Various other small cleanups and fixes
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Merge tag 'iommu-updates-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This update comes with:

   - Support for lockless operation in the ARM io-pgtable code.

     This is an important step to solve the scalability problems in the
     common dma-iommu code for ARM

   - Some Errata workarounds for ARM SMMU implemenations

   - Rewrite of the deferred IO/TLB flush code in the AMD IOMMU driver.

     The code suffered from very high flush rates, with the new
     implementation the flush rate is down to ~1% of what it was before

   - Support for amd_iommu=off when booting with kexec.

     The problem here was that the IOMMU driver bailed out early without
     disabling the iommu hardware, if it was enabled in the old kernel

   - The Rockchip IOMMU driver is now available on ARM64

   - Align the return value of the iommu_ops->device_group call-backs to
     not miss error values

   - Preempt-disable optimizations in the Intel VT-d and common IOVA
     code to help Linux-RT

   - Various other small cleanups and fixes"

* tag 'iommu-updates-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (60 commits)
  iommu/vt-d: Constify intel_dma_ops
  iommu: Warn once when device_group callback returns NULL
  iommu/omap: Return ERR_PTR in device_group call-back
  iommu: Return ERR_PTR() values from device_group call-backs
  iommu/s390: Use iommu_group_get_for_dev() in s390_iommu_add_device()
  iommu/vt-d: Don't disable preemption while accessing deferred_flush()
  iommu/iova: Don't disable preempt around this_cpu_ptr()
  iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126
  iommu/arm-smmu-v3: Enable ACPI based HiSilicon CMD_PREFETCH quirk(erratum 161010701)
  iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #74
  ACPI/IORT: Fixup SMMUv3 resource size for Cavium ThunderX2 SMMUv3 model
  iommu/arm-smmu-v3, acpi: Add temporary Cavium SMMU-V3 IORT model number definitions
  iommu/io-pgtable-arm: Use dma_wmb() instead of wmb() when publishing table
  iommu/io-pgtable: depend on !GENERIC_ATOMIC64 when using COMPILE_TEST with LPAE
  iommu/arm-smmu-v3: Remove io-pgtable spinlock
  iommu/arm-smmu: Remove io-pgtable spinlock
  iommu/io-pgtable-arm-v7s: Support lockless operation
  iommu/io-pgtable-arm: Support lockless operation
  iommu/io-pgtable: Introduce explicit coherency
  iommu/io-pgtable-arm-v7s: Refactor split_blk_unmap
  ...
2017-07-12 10:00:04 -07:00
Linus Torvalds
6b1c776d3e Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
 "This work from Amir introduces the inodes index feature, which
  provides:

   - hardlinks are not broken on copy up

   - infrastructure for overlayfs NFS export

  This also fixes constant st_ino for samefs case for lower hardlinks"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: (33 commits)
  ovl: mark parent impure and restore timestamp on ovl_link_up()
  ovl: document copying layers restrictions with inodes index
  ovl: cleanup orphan index entries
  ovl: persistent overlay inode nlink for indexed inodes
  ovl: implement index dir copy up
  ovl: move copy up lock out
  ovl: rearrange copy up
  ovl: add flag for upper in ovl_entry
  ovl: use struct copy_up_ctx as function argument
  ovl: base tmpfile in workdir too
  ovl: factor out ovl_copy_up_inode() helper
  ovl: extract helper to get temp file in copy up
  ovl: defer upper dir lock to tempfile link
  ovl: hash overlay non-dir inodes by copy up origin
  ovl: cleanup bad and stale index entries on mount
  ovl: lookup index entry for copy up origin
  ovl: verify index dir matches upper dir
  ovl: verify upper root dir matches lower root dir
  ovl: introduce the inodes index dir feature
  ovl: generalize ovl_create_workdir()
  ...
2017-07-12 09:28:55 -07:00
Steven Rostedt (VMware)
dc8d387210 tracing: Update Documentation/trace/ftrace.txt
The documentation of ftrace.txt has become rather outdated. Bring it closer
to reality of todays kernel.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2017-07-11 18:44:54 -04:00
Linus Torvalds
130568d5ea Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull more block updates from Jens Axboe:
 "This is a followup for block changes, that didn't make the initial
  pull request. It's a bit of a mixed bag, this contains:

   - A followup pull request from Sagi for NVMe. Outside of fixups for
     NVMe, it also includes a series for ensuring that we properly
     quiesce hardware queues when browsing live tags.

   - Set of integrity fixes from Dmitry (mostly), fixing various issues
     for folks using DIF/DIX.

   - Fix for a bug introduced in cciss, with the req init changes. From
     Christoph.

   - Fix for a bug in BFQ, from Paolo.

   - Two followup fixes for lightnvm/pblk from Javier.

   - Depth fix from Ming for blk-mq-sched.

   - Also from Ming, performance fix for mtip32xx that was introduced
     with the dynamic initialization of commands"

* 'for-linus' of git://git.kernel.dk/linux-block: (44 commits)
  block: call bio_uninit in bio_endio
  nvmet: avoid unneeded assignment of submit_bio return value
  nvme-pci: add module parameter for io queue depth
  nvme-pci: compile warnings in nvme_alloc_host_mem()
  nvmet_fc: Accept variable pad lengths on Create Association LS
  nvme_fc/nvmet_fc: revise Create Association descriptor length
  lightnvm: pblk: remove unnecessary checks
  lightnvm: pblk: control I/O flow also on tear down
  cciss: initialize struct scsi_req
  null_blk: fix error flow for shared tags during module_init
  block: Fix __blkdev_issue_zeroout loop
  nvme-rdma: unconditionally recycle the request mr
  nvme: split nvme_uninit_ctrl into stop and uninit
  virtio_blk: quiesce/unquiesce live IO when entering PM states
  mtip32xx: quiesce request queues to make sure no submissions are inflight
  nbd: quiesce request queues to make sure no submissions are inflight
  nvme: kick requeue list when requeueing a request instead of when starting the queues
  nvme-pci: quiesce/unquiesce admin_q instead of start/stop its hw queues
  nvme-loop: quiesce/unquiesce admin_q instead of start/stop its hw queues
  nvme-fc: quiesce/unquiesce admin_q instead of start/stop its hw queues
  ...
2017-07-11 15:36:52 -07:00
Ahmad Fatoum
5e34fa23ce net: Fix minor code bug in timestamping.txt
Passing (void*)val instead of &val would make a pointer out of an integer
and cause sock_setsockopt to -EFAULT.

See tools/testing/selftests/networking/timestamping/timestamping.c
for a working example.

Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-11 13:34:54 -07:00
Linus Torvalds
07d306c838 Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:

 - Add Renesas RZ/A WDT Watchdog driver

 - STM32 Independent WatchDoG (IWDG) support

 - UniPhier watchdog support

 - Add F71868 support

 - Add support for NCT6793D and NCT6795D

 - dw_wdt: add reset lines support

 - core: add option to avoid early handling of watchdog

 - core: introduce watchdog_worker_should_ping helper

 - Cleanups and improvements for sama5d4, intel-mid_wdt, s3c2410_wdt,
   orion_wdt, gpio_wdt, it87_wdt, meson_wdt, davinci_wdt, bcm47xx_wdt,
   zx2967_wdt, cadence_wdt

* git://www.linux-watchdog.org/linux-watchdog: (32 commits)
  watchdog: introduce watchdog_worker_should_ping helper
  watchdog: uniphier: add UniPhier watchdog driver
  dt-bindings: watchdog: add description for UniPhier WDT controller
  watchdog: cadence_wdt: make of_device_ids const.
  watchdog: zx2967: constify zx2967_wdt_ops.
  watchdog: bcm47xx_wdt: constify bcm47xx_wdt_hard_ops and bcm47xx_wdt_soft_ops
  watchdog: davinci: Add missing clk_disable_unprepare().
  watchdog: davinci: Handle return value of clk_prepare_enable
  watchdog: meson: Handle return value of clk_prepare_enable
  watchdog: it87: Add support for various Super-IO chips
  watchdog: it87: Use infrastructure to stop watchdog on reboot
  watchdog: it87: Drop support for resetting watchdog though CIR and Game port
  watchdog: it87: Convert to use watchdog core infrastructure
  watchdog: it87: Drop FSF mailing address
  watchdog: dw_wdt: get reset lines from dt
  watchdog: bindings: dw_wdt: add reset lines
  watchdog: w83627hf: Add support for NCT6793D and NCT6795D
  watchdog: core: add option to avoid early handling of watchdog
  watchdog: f71808e_wdt: Add F71868 support
  watchdog: Add STM32 IWDG driver
  ...
2017-07-11 09:59:37 -07:00
Paul Burton
7461279bba dt-bindings: Document img,boston-clock binding
Add device tree binding documentation for the clocks provided by the
MIPS Boston development board from Imagination Technologies, and a
header file describing the available clocks for use by device trees &
driver.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16482/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-07-11 14:13:06 +02:00
David Howells
1d278a8790 VFS: Kill off s_options and helpers
Kill off s_options, save/replace_mount_options() and generic_show_options()
as all filesystems now implement ->show_options() for themselves.  This
should make it easier to implement a context-based mount where the mount
options can be passed individually over a file descriptor.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-07-11 06:09:21 -04:00
Linus Torvalds
9967468c0a Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:

 - most of the rest of MM

 - KASAN updates

 - lib/ updates

 - checkpatch updates

 - some binfmt_elf changes

 - various misc bits

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (115 commits)
  kernel/exit.c: avoid undefined behaviour when calling wait4()
  kernel/signal.c: avoid undefined behaviour in kill_something_info
  binfmt_elf: safely increment argv pointers
  s390: reduce ELF_ET_DYN_BASE
  powerpc: move ELF_ET_DYN_BASE to 4GB / 4MB
  arm64: move ELF_ET_DYN_BASE to 4GB / 4MB
  arm: move ELF_ET_DYN_BASE to 4MB
  binfmt_elf: use ELF_ET_DYN_BASE only for PIE
  fs, epoll: short circuit fetching events if thread has been killed
  checkpatch: improve multi-line alignment test
  checkpatch: improve macro reuse test
  checkpatch: change format of --color argument to --color[=WHEN]
  checkpatch: silence perl 5.26.0 unescaped left brace warnings
  checkpatch: improve tests for multiple line function definitions
  checkpatch: remove false warning for commit reference
  checkpatch: fix stepping through statements with $stat and ctx_statement_block
  checkpatch: [HLP]LIST_HEAD is also declaration
  checkpatch: warn when a MAINTAINERS entry isn't [A-Z]:\t
  checkpatch: improve the unnecessary OOM message test
  lib/bsearch.c: micro-optimize pivot position calculation
  ...
2017-07-10 16:58:42 -07:00
Michal Hocko
d09b646882 mm: document highmem_is_dirtyable sysctl
It seems that there are still people using 32b kernels which a lot of
memory and the IO tend to suck a lot for them by default.  Mostly
because writers are throttled too when the lowmem is used.  We have
highmem_is_dirtyable to work around that issue but it seems we never
bothered to document it.  Let's do it now, finally.

Link: http://lkml.kernel.org/r/20170626093200.18958-1-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Alkis Georgopoulos <alkisg@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-10 16:32:32 -07:00
Michal Hocko
9f123ab544 mm, memory_hotplug: support movable_node for hotpluggable nodes
movable_node kernel parameter allows making hotpluggable NUMA nodes to
put all the hotplugable memory into movable zone which allows more or
less reliable memory hotremove.  At least this is the case for the NUMA
nodes present during the boot (see find_zone_movable_pfns_for_nodes).

This is not the case for the memory hotplug, though.

	echo online > /sys/devices/system/memory/memoryXYZ/state

will default to a kernel zone (usually ZONE_NORMAL) unless the
particular memblock is already in the movable zone range which is not
the case normally when onlining the memory from the udev rule context
for a freshly hotadded NUMA node.  The only option currently is to have
a special udev rule to echo online_movable to all memblocks belonging to
such a node which is rather clumsy.  Not to mention this is inconsistent
as well because what ended up in the movable zone during the boot will
end up in a kernel zone after hotremove & hotadd without special care.

It would be nice to reuse memblock_is_hotpluggable but the runtime
hotplug doesn't have that information available because the boot and
hotplug paths are not shared and it would be really non trivial to make
them use the same code path because the runtime hotplug doesn't play
with the memblock allocator at all.

Teach move_pfn_range that MMOP_ONLINE_KEEP can use the movable zone if
movable_node is enabled and the range doesn't overlap with the existing
normal zone.  This should provide a reasonable default onlining
strategy.

Strictly speaking the semantic is not identical with the boot time
initialization because find_zone_movable_pfns_for_nodes covers only the
hotplugable range as described by the BIOS/FW.  From my experience this
is usually a full node though (except for Node0 which is special and
never goes away completely).  If this turns out to be a problem in the
real life we can tweak the code to store hotplug flag into memblocks but
let's keep this simple now.

Link: http://lkml.kernel.org/r/20170612111227.GI7476@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Yasuaki Ishimatsu <yasu.isimatu@gmail.com>
Cc: <qiuxishi@huawei.com>
Cc: Kani Toshimitsu <toshi.kani@hpe.com>
Cc: <slaoub@gmail.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-10 16:32:31 -07:00
David Rientjes
b6bb981149 mm, vmpressure: pass-through notification support
By default, vmpressure events are not pass-through, i.e.  they propagate
up through the memcg hierarchy until an event notifier is found for any
threshold level.

This presents a difficulty when a thread waiting on a read(2) for a
vmpressure event cannot distinguish between local memory pressure and
memory pressure in a descendant memcg, especially when that thread may
not control the memcg hierarchy.

Consider a user-controlled child memcg with a smaller limit than a
top-level memcg controlled by the "Activity Manager" specified in
Documentation/cgroup-v1/memory.txt.  It may register for memory pressure
notification for descendant memcgs to make a policy decision: oom kill a
low priority job, increase the limit, decrease other limits, etc.  If it
registers for memory pressure notification on the top-level memcg, it
currently cannot distinguish between memory pressure in its own memcg or
a descendant memcg, which is user-controlled.

Conversely, if a user registers for memory pressure notification on
their own descendant memcg, the Activity Manager does not receive any
pressure notification for that child memcg hierarchy.  Vmpressure events
are not received for ancestor memcgs if the memcg experiencing pressure
have notifiers registered, perhaps outside the knowledge of the thread
waiting on read(2) at the top level.

Both of these are consequences of vmpressure notification not being
pass-through.

This implements a pass-through behavior for vmpressure events.  When
writing to control.event_control, vmpressure event handlers may
optionally specify a mode.  There are two new modes:

 - "hierarchy": always propagate memory pressure events up the hierarchy
   regardless if descendant memcgs have their own notifiers registered,
   and

 - "local": only receive notifications when the memcg for which the
   event is registered experiences memory pressure.

Of course, processes may register for one notification of "low,local",
for example, and another for "low".

If no mode is specified, the current behavior is maintained for
backwards compatibility.

See the change to Documentation/cgroup-v1/memory.txt for full
specification.

[dan.carpenter@oracle.com: free the same pointer we allocated]
  Link: http://lkml.kernel.org/r/20170613191820.GA20003@elgon.mountain
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1705311421320.8946@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Anton Vorontsov <anton@enomsg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-10 16:32:31 -07:00
Linus Torvalds
5cdd4c0468 for-f2fs-4.13
In this round, we've added new features such as disk quota and statx, and
 modified internal bio management flow to merge more IOs depending on block
 types. We've also made internal threads freezeable for Android battery life.
 In addition to them, there are some patches to avoid lock contention as well
 as a couple of deadlock conditions.
 
 = Enhancement
 - support usrquota, grpquota, and statx
 - manage DATA/NODE typed bios separately to serialize more IOs
 - modify f2fs_lock_op/wio_mutex to avoid lock contention
 - prevent lock contention in migratepage
 
 = Bug fix
 - miss to load written inode flag
 - fix worst case victim selection in GC
 - freezeable GC and discard threads for Android battery life
 - sanitize f2fs metadata to deal with security hole
 - clean up sysfs-related code and docs
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Merge tag 'for-f2fs-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've added new features such as disk quota and statx,
  and modified internal bio management flow to merge more IOs depending
  on block types. We've also made internal threads freezeable for
  Android battery life. In addition to them, there are some patches to
  avoid lock contention as well as a couple of deadlock conditions.

  Enhancements:
   - support usrquota, grpquota, and statx
   - manage DATA/NODE typed bios separately to serialize more IOs
   - modify f2fs_lock_op/wio_mutex to avoid lock contention
   - prevent lock contention in migratepage

  Bug fixes:
   - fix missing load of written inode flag
   - fix worst case victim selection in GC
   - freezeable GC and discard threads for Android battery life
   - sanitize f2fs metadata to deal with security hole
   - clean up sysfs-related code and docs"

* tag 'for-f2fs-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (59 commits)
  f2fs: support plain user/group quota
  f2fs: avoid deadlock caused by lock order of page and lock_op
  f2fs: use spin_{,un}lock_irq{save,restore}
  f2fs: relax migratepage for atomic written page
  f2fs: don't count inode block in in-memory inode.i_blocks
  Revert "f2fs: fix to clean previous mount option when remount_fs"
  f2fs: do not set LOST_PINO for renamed dir
  f2fs: do not set LOST_PINO for newly created dir
  f2fs: skip ->writepages for {mete,node}_inode during recovery
  f2fs: introduce __check_sit_bitmap
  f2fs: stop gc/discard thread in prior during umount
  f2fs: introduce reserved_blocks in sysfs
  f2fs: avoid redundant f2fs_flush after remount
  f2fs: report # of free inodes more precisely
  f2fs: add ioctl to do gc with target block address
  f2fs: don't need to check encrypted inode for partial truncation
  f2fs: measure inode.i_blocks as generic filesystem
  f2fs: set CP_TRIMMED_FLAG correctly
  f2fs: require key for truncate(2) of encrypted file
  f2fs: move sysfs code from super.c to fs/f2fs/sysfs.c
  ...
2017-07-10 14:29:45 -07:00
Linus Torvalds
7cee9384cb Fix up over-eager 'wait_queue_t' renaming
Commit ac6424b981 ("sched/wait: Rename wait_queue_t =>
wait_queue_entry_t") had scripted the renaming incorrectly, and didn't
actually check that the 'wait_queue_t' was a full token.

As a result, it also triggered on 'wait_queue_token', and renamed that
to 'wait_queue_entry_token' entry in the autofs4 packet structure
definition too.  That was entirely incorrect, and not intended.

The end result built fine when building just the kernel - because
everything had been renamed consistently there - but caused problems in
user space because the "struct autofs_packet_missing" type is exported
as part of the uapi.

This scripts it all back again:

    git grep -lw wait_queue_entry_token |
        xargs sed -i 's/wait_queue_entry_token/wait_queue_token/g'

and checks the end result.

Reported-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Fixes: ac6424b981 ("sched/wait: Rename wait_queue_t => wait_queue_entry_t")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-10 11:40:19 -07:00
Linus Torvalds
af3c8d9850 main drm pull for v4.13
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Merge tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main pull request for the drm, I think I've got one later
  driver pull for mediatek SoC driver, I'm undecided on if it needs to
  go to you yet.

  Otherwise summary below:

  Core drm:
   - Atomic add driver private objects
   - Deprecate preclose hook in modern drivers
   - MST bandwidth tracking
   - Use kvmalloc in more places
   - Add mode_valid hook for crtc/encoder/bridge
   - Reduce sync_file construction time
   - Documentation updates
   - New DRM synchronisation object support

  New drivers:
   - pl111 - pl111 CLCD display controller

  Panel:
   - Innolux P079ZCA panel driver
   - Add NL12880B20-05, NL192108AC18-02D, P320HVN03 panels
   - panel-samsung-s6e3ha2: Add s6e3hf2 panel support

  i915:
   - SKL+ watermark fixes
   - G4x/G33 reset improvements
   - DP AUX backlight improvements
   - Buffer based GuC/host communication
   - New getparam for (sub)slice infomation
   - Cannonlake and Coffeelake initial patches
   - Execbuf optimisations

  radeon/amdgpu:
   - Lots of Vega10 bug fixes
   - Preliminary raven support
   - KIQ support for compute rings
   - MEC queue management rework
   - DCE6 Audio support
   - SR-IOV improvements
   - Better radeon/amdgpu selection support

  nouveau:
   - HDMI stereoscopic support
   - Display code rework for >= GM20x GPUs

  msm:
   - GEM rework for fine-grained locking
   - Per-process pagetable work
   - HDMI fixes for Snapdragon 820.

  vc4:
   - Remove 256MB CMA limit from vc4
   - Add out-fence support
   - Add support for cygnus
   - Get/set tiling ioctls support
   - Add T-format tiling support for scanout

  zte:
   - add VGA support.

  etnaviv:
   - Thermal throttle support for newer GPUs
   - Restore userspace buffer cache performance
   - dma-buf sync fix

  stm:
   - add stm32f429 display support

  exynos:
   - Rework vblank handling
   - Fixup sw-trigger code

  sun4i:
   - V3s display engine support
   - HDMI support for older SoCs
   - Preliminary work on dual-pipeline SoCs.

  rcar-du:
   - VSP work

  imx-drm:
   - Remove counter load enable from PRE
   - Double read/write reduction flag support

  tegra:
   - Documentation for the host1x and drm driver.
   - Lots of staging ioctl fixes due to grate project work.

  omapdrm:
   - dma-buf fence support
   - TILER rotation fixes"

* tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux: (1270 commits)
  drm: Remove unused drm_file parameter to drm_syncobj_replace_fence()
  drm/amd/powerplay: fix bug fail to remove sysfs when rmmod amdgpu.
  amdgpu: Set cik/si_support to 1 by default if radeon isn't built
  drm/amdgpu/gfx9: fix driver reload with KIQ
  drm/amdgpu/gfx8: fix driver reload with KIQ
  drm/amdgpu: Don't call amd_powerplay_destroy() if we don't have powerplay
  drm/ttm: Fix use-after-free in ttm_bo_clean_mm
  drm/amd/amdgpu: move get memory type function from early init to sw init
  drm/amdgpu/cgs: always set reference clock in mode_info
  drm/amdgpu: fix vblank_time when displays are off
  drm/amd/powerplay: power value format change for Vega10
  drm/amdgpu/gfx9: support the amdgpu.disable_cu option
  drm/amd/powerplay: change PPSMC_MSG_GetCurrPkgPwr for Vega10
  drm/amdgpu: Make amdgpu_cs_parser_init static (v2)
  drm/amdgpu/cs: fix a typo in a comment
  drm/amdgpu: Fix the exported always on CU bitmap
  drm/amdgpu/gfx9: gfx_v9_0_enable_gfx_static_mg_power_gating() can be static
  drm/amdgpu/psp: upper_32_bits/lower_32_bits for address setup
  drm/amd/powerplay/cz: print message if smc message fails
  drm/amdgpu: fix typo in amdgpu_debugfs_test_ib_init
  ...
2017-07-09 18:48:37 -07:00
Chao Yu
0abd675e97 f2fs: support plain user/group quota
This patch adds to support plain user/group quota.

Change Note by Jaegeuk Kim.

- Use f2fs page cache for quota files in order to consider garbage collection.
  so, quota files are not tolerable for sudden power-cuts, so user needs to do
  quotacheck.

- setattr() calls dquot_transfer which will transfer inode->i_blocks.
  We can't reclaim that during f2fs_evict_inode(). So, we need to count
  node blocks as well in order to match i_blocks with dquot's space.

  Note that, Chao wrote a patch to count inode->i_blocks without inode block.
  (f2fs: don't count inode block in in-memory inode.i_blocks)

- in f2fs_remount, we need to make RW in prior to dquot_resume.

- handle fault_injection case during f2fs_quota_off_umount

- TODO: Project quota

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-07-08 23:12:27 -07:00
Linus Torvalds
f263fbb8d6 pci-v4.13-changes
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Merge tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

  - add sysfs max_link_speed/width, current_link_speed/width (Wong Vee
    Khee)

  - make host bridge IRQ mapping much more generic (Matthew Minter,
    Lorenzo Pieralisi)

  - convert most drivers to pci_scan_root_bus_bridge() (Lorenzo
    Pieralisi)

  - mutex sriov_configure() (Jakub Kicinski)

  - mutex pci_error_handlers callbacks (Christoph Hellwig)

  - split ->reset_notify() into ->reset_prepare()/reset_done()
    (Christoph Hellwig)

  - support multiple PCIe portdrv interrupts for MSI as well as MSI-X
    (Gabriele Paoloni)

  - allocate MSI/MSI-X vector for Downstream Port Containment (Gabriele
    Paoloni)

  - fix MSI IRQ affinity pre/post/min_vecs issue (Michael Hernandez)

  - test INTx masking during enumeration, not at run-time (Piotr Gregor)

  - avoid using device_may_wakeup() for runtime PM (Rafael J. Wysocki)

  - restore the status of PCI devices across hibernation (Chen Yu)

  - keep parent resources that start at 0x0 (Ard Biesheuvel)

  - enable ECRC only if device supports it (Bjorn Helgaas)

  - restore PRI and PASID state after Function-Level Reset (CQ Tang)

  - skip DPC event if device is not present (Keith Busch)

  - check domain when matching SMBIOS info (Sujith Pandel)

  - mark Intel XXV710 NIC INTx masking as broken (Alex Williamson)

  - avoid AMD SB7xx EHCI USB wakeup defect (Kai-Heng Feng)

  - work around long-standing Macbook Pro poweroff issue (Bjorn Helgaas)

  - add Switchtec "running" status flag (Logan Gunthorpe)

  - fix dra7xx incorrect RW1C IRQ register usage (Arvind Yadav)

  - modify xilinx-nwl IRQ chip for legacy interrupts (Bharat Kumar
    Gogada)

  - move VMD SRCU cleanup after bus, child device removal (Jon Derrick)

  - add Faraday clock handling (Linus Walleij)

  - configure Rockchip MPS and reorganize (Shawn Lin)

  - limit Qualcomm TLP size to 2K (hardware issue) (Srinivas Kandagatla)

  - support Tegra MSI 64-bit addressing (Thierry Reding)

  - use Rockchip normal (not privileged) register bank (Shawn Lin)

  - add HiSilicon Kirin SoC PCIe controller driver (Xiaowei Song)

  - add Sigma Designs Tango SMP8759 PCIe controller driver (Marc
    Gonzalez)

  - add MediaTek PCIe host controller support (Ryder Lee)

  - add Qualcomm IPQ4019 support (John Crispin)

  - add HyperV vPCI protocol v1.2 support (Jork Loeser)

  - add i.MX6 regulator support (Quentin Schulz)

* tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (113 commits)
  PCI: tango: Add Sigma Designs Tango SMP8759 PCIe host bridge support
  PCI: Add DT binding for Sigma Designs Tango PCIe controller
  PCI: rockchip: Use normal register bank for config accessors
  dt-bindings: PCI: Add documentation for MediaTek PCIe
  PCI: Remove __pci_dev_reset() and pci_dev_reset()
  PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()
  PCI: xilinx: Make of_device_ids const
  PCI: xilinx-nwl: Modify IRQ chip for legacy interrupts
  PCI: vmd: Move SRCU cleanup after bus, child device removal
  PCI: vmd: Correct comment: VMD domains start at 0x10000, not 0x1000
  PCI: versatile: Add local struct device pointers
  PCI: tegra: Do not allocate MSI target memory
  PCI: tegra: Support MSI 64-bit addressing
  PCI: rockchip: Use local struct device pointer consistently
  PCI: rockchip: Check for clk_prepare_enable() errors during resume
  MAINTAINERS: Remove Wenrui Li as Rockchip PCIe driver maintainer
  PCI: rockchip: Configure RC's MPS setting
  PCI: rockchip: Reconfigure configuration space header type
  PCI: rockchip: Split out rockchip_pcie_cfg_configuration_accesses()
  PCI: rockchip: Move configuration accesses into rockchip_pcie_cfg_atu()
  ...
2017-07-08 15:51:57 -07:00
Linus Torvalds
43d012099f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a new driver for STM FingerTip touchscreen

 - a new driver for D-Link DIR-685 touch keys

 - updated list of supported devices in xpad driver

 - other assorted updates and fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (23 commits)
  MAINTAINERS: update input subsystem patterns
  Input: introduce KEY_ASSISTANT
  Input: xpad - sync supported devices with XBCD
  Input: xpad - sync supported devices with 360Controller
  Input: xen-kbdfront - use string constants from PV protocol
  Input: stmfts - mark all PM functions as __maybe_unused
  Input: add support for the STMicroelectronics FingerTip touchscreen
  Input: add D-Link DIR-685 touchkeys driver
  Input: s3c2410_ts - handle return value of clk_prepare_enable
  Input: axp20x-pek - add wakeup support
  Input: synaptics-rmi4 - use %phN to form F34 configuration ID
  Input: synaptics-rmi4 - change a char type to u8
  Input: sparse-keymap - remove sparse_keymap_free()
  Input: tsc2007 - move header file out of I2C realm
  Input: mms114 - move header file out of I2C realm
  Input: mcs - move header file out of I2C realm
  Input: lm8323 - move header file out of I2C realm
  Input: elantech - force relative mode on a certain module
  Input: elan_i2c - add support for fetching chip type on newer hardware
  Input: elan_i2c - check if device is there before really probing
  ...
2017-07-08 12:39:37 -07:00
Linus Torvalds
2ceedf97ae dmaengine updates for 4.13-rc1
- removal of AVR32 support in dw driver as AVR32 is gone
  - new driver for Broadcom stream buffer accelerator (SBA) RAID driver
  - add support for Faraday Technology FTDMAC020 in amba-pl08x driver
  - IOMMU support in pl330 driver
  - updates to bunch of drivers
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Merge tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:

 - removal of AVR32 support in dw driver as AVR32 is gone

 - new driver for Broadcom stream buffer accelerator (SBA) RAID driver

 - add support for Faraday Technology FTDMAC020 in amba-pl08x driver

 - IOMMU support in pl330 driver

 - updates to bunch of drivers

* tag 'dmaengine-4.13-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (36 commits)
  dmaengine: qcom_hidma: correct API violation for submit
  dmaengine: zynqmp_dma: Remove max len check in zynqmp_dma_prep_memcpy
  dmaengine: tegra-apb: Really fix runtime-pm usage
  dmaengine: fsl_raid: make of_device_ids const.
  dmaengine: qcom_hidma: allow ACPI/DT parameters to be overridden
  dmaengine: fsldma: set BWC, DAHTS and SAHTS values correctly
  dmaengine: Kconfig: Simplify the help text for MXS_DMA
  dmaengine: pl330: Delete unused functions
  dmaengine: Replace WARN_TAINT_ONCE() with pr_warn_once()
  dmaengine: Kconfig: Extend the dependency for MXS_DMA
  dmaengine: mxs: Use %zu for printing a size_t variable
  dmaengine: ste_dma40: Cleanup scatterlist layering violations
  dmaengine: imx-dma: cleanup scatterlist layering violations
  dmaengine: use proper name for the R-Car SoC
  dmaengine: imx-sdma: Fix compilation warning.
  dmaengine: imx-sdma: Handle return value of clk_prepare_enable
  dmaengine: pl330: Add IOMMU support to slave tranfers
  dmaengine: DW DMAC: Handle return value of clk_prepare_enable
  dmaengine: pl08x: use GENMASK() to create bitmasks
  dmaengine: pl08x: Add support for Faraday Technology FTDMAC020
  ...
2017-07-08 12:36:50 -07:00
Linus Torvalds
8b6b3172ce Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "Mostly fixing some light fallout from the changes that went into the
  merge window.

   1) Fix memory leaks on network namespace teardown in netfilter, from
      Liping Zhang.

   2) When comparing ipv6 nexthops, we have to take the lightweight
      tunnel state into account as well. From David Ahern.

   3) Fix socket option object length check in the new TLS code, from
      Matthias Rosenfelder.

   4) Fix memory leak in nfp driver flower support, from Jakub Kicinski.

   5) Several netlink attribute validation fixes in cfg80211, from
      Srinivas Dasari.

   6) Fix context array leak in virtio_net, from Jason Wang.

   7) SKB use after free in hns driver, from Yusheng Lin.

   8) Fix socket leak on accept() in RDS, from Sowmini Varadhan. Also
      add a WARN_ON() to sock_graft() so other protocol stacks don't
      trip over this as well"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
  net: ethernet: mediatek: remove useless code in mtk_probe()
  mpls: fix uninitialized in_label var warning in mpls_getroute
  doc: SKB_GSO_[IPIP|SIT] have been replaced
  bonding: avoid NETDEV_CHANGEMTU event when unregistering slave
  net/sock: add WARN_ON(parent->sk) in sock_graft()
  rds: tcp: use sock_create_lite() to create the accept socket
  net: hns: Fix a skb used after free bug
  net: hns: Fix a wrong op phy C45 code
  net: macb: Adding Support for Jumbo Frames up to 10240 Bytes in SAMA5D3
  net: Update networking MAINTAINERS entry.
  virtio-net: fix leaking of ctx array
  cfg80211: Validate frequencies nested in NL80211_ATTR_SCAN_FREQUENCIES
  cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE
  cfg80211: Check if NAN service ID is of expected size
  cfg80211: Check if PMKID attribute is of expected size
  arcnet: com20020-pci: Fix an error handling path in 'com20020pci_probe()'
  nfp: flower: add missing clean up call to avoid memory leaks
  vrf: fix bug_on triggered by rx when destroying a vrf
  ptp: dte: Use LL suffix for 64-bit constants
  sctp: set the value of flowi6_oif to sk_bound_dev_if to make sctp_v6_get_dst to find the correct route entry.
  ...
2017-07-08 12:01:22 -07:00
Nicolas Dichtel
11bafd5477 doc: SKB_GSO_[IPIP|SIT] have been replaced
Those enum values don't exist anymore.

Fixes: 7e13318daa ("net: define gso types for IPx over IPv4 and IPv6")
CC: Tom Herbert <tom@herbertland.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-08 11:25:56 +01:00
Linus Torvalds
088737f44b Writeback error handling fixes (pile #2)
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Merge tag 'for-linus-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux

Pull Writeback error handling updates from Jeff Layton:
 "This pile represents the bulk of the writeback error handling fixes
  that I have for this cycle. Some of the earlier patches in this pile
  may look trivial but they are prerequisites for later patches in the
  series.

  The aim of this set is to improve how we track and report writeback
  errors to userland. Most applications that care about data integrity
  will periodically call fsync/fdatasync/msync to ensure that their
  writes have made it to the backing store.

  For a very long time, we have tracked writeback errors using two flags
  in the address_space: AS_EIO and AS_ENOSPC. Those flags are set when a
  writeback error occurs (via mapping_set_error) and are cleared as a
  side-effect of filemap_check_errors (as you noted yesterday). This
  model really sucks for userland.

  Only the first task to call fsync (or msync or fdatasync) will see the
  error. Any subsequent task calling fsync on a file will get back 0
  (unless another writeback error occurs in the interim). If I have
  several tasks writing to a file and calling fsync to ensure that their
  writes got stored, then I need to have them coordinate with one
  another. That's difficult enough, but in a world of containerized
  setups that coordination may even not be possible.

  But wait...it gets worse!

  The calls to filemap_check_errors can be buried pretty far down in the
  call stack, and there are internal callers of filemap_write_and_wait
  and the like that also end up clearing those errors. Many of those
  callers ignore the error return from that function or return it to
  userland at nonsensical times (e.g. truncate() or stat()). If I get
  back -EIO on a truncate, there is no reason to think that it was
  because some previous writeback failed, and a subsequent fsync() will
  (incorrectly) return 0.

  This pile aims to do three things:

   1) ensure that when a writeback error occurs that that error will be
      reported to userland on a subsequent fsync/fdatasync/msync call,
      regardless of what internal callers are doing

   2) report writeback errors on all file descriptions that were open at
      the time that the error occurred. This is a user-visible change,
      but I think most applications are written to assume this behavior
      anyway. Those that aren't are unlikely to be hurt by it.

   3) document what filesystems should do when there is a writeback
      error. Today, there is very little consistency between them, and a
      lot of cargo-cult copying. We need to make it very clear what
      filesystems should do in this situation.

  To achieve this, the set adds a new data type (errseq_t) and then
  builds new writeback error tracking infrastructure around that. Once
  all of that is in place, we change the filesystems to use the new
  infrastructure for reporting wb errors to userland.

  Note that this is just the initial foray into cleaning up this mess.
  There is a lot of work remaining here:

   1) convert the rest of the filesystems in a similar fashion. Once the
      initial set is in, then I think most other fs' will be fairly
      simple to convert. Hopefully most of those can in via individual
      filesystem trees.

   2) convert internal waiters on writeback to use errseq_t for
      detecting errors instead of relying on the AS_* flags. I have some
      draft patches for this for ext4, but they are not quite ready for
      prime time yet.

  This was a discussion topic this year at LSF/MM too. If you're
  interested in the gory details, LWN has some good articles about this:

      https://lwn.net/Articles/718734/
      https://lwn.net/Articles/724307/"

* tag 'for-linus-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
  btrfs: minimal conversion to errseq_t writeback error reporting on fsync
  xfs: minimal conversion to errseq_t writeback error reporting
  ext4: use errseq_t based error handling for reporting data writeback errors
  fs: convert __generic_file_fsync to use errseq_t based reporting
  block: convert to errseq_t based writeback error tracking
  dax: set errors in mapping when writeback fails
  Documentation: flesh out the section in vfs.txt on storing and reporting writeback errors
  mm: set both AS_EIO/AS_ENOSPC and errseq_t in mapping_set_error
  fs: new infrastructure for writeback error handling and reporting
  lib: add errseq_t type and infrastructure for handling it
  mm: don't TestClearPageError in __filemap_fdatawait_range
  mm: clear AS_EIO/AS_ENOSPC when writeback initiation fails
  jbd2: don't clear and reset errors after waiting on writeback
  buffer: set errors in mapping at the time that the error occurs
  fs: check for writeback errors after syncing out buffers in generic_file_fsync
  buffer: use mapping_set_error instead of setting the flag
  mm: fix mapping_set_error call in me_pagecache_dirty
2017-07-07 19:38:17 -07:00
Brian Norris
ef32476f26 This pull request contains the following core changes:
* addition of on-ecc support to Micron driver
 * addition of helpers to help drivers choose most appropriate ECC
   settings
 * deletion of dead-code (cached programming and ->errstat() hook)
 * make sure drivers that do not support the SET/GET FEATURES command
   return ENOTSUPP use a dummy ->set/get_features implementation
   returning -ENOTSUPP (required for Micron on-die ECC)
 * change the semantic of ecc->write_page() for drivers setting the
   NAND_ECC_CUSTOM_PAGE_ACCESS flag
 * support exiting 'GET STATUS' command in default ->cmdfunc()
   implementations
 * change the prototype of ->setup_data_interface()
 
 A bunch of driver related changes:
 
 * various cleanup, fixes and improvements of the MTK driver
 * OMAP DT bindings fixes
 * support for ->setup_data_interface() in the fsmc driver
 * support for imx7 in the gpmi driver
 * finalization of the denali driver rework (thanks to Masahiro for the
   work he's done on this driver)
 * fix "bitflips in erased pages" handling in the ifc driver
 * addition of PM ops and dynamic timing configuration to the atmel
   driver
 
 And as usual we also have a few minor cleanup/fixes/improvements
 patches across the subsystem.
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Merge tag 'nand/for-4.13' into MTD

From Boris:
"""
This pull request contains the following core changes:

* addition of on-ecc support to Micron driver
* addition of helpers to help drivers choose most appropriate ECC
  settings
* deletion of dead-code (cached programming and ->errstat() hook)
* make sure drivers that do not support the SET/GET FEATURES command
  return ENOTSUPP use a dummy ->set/get_features implementation
  returning -ENOTSUPP (required for Micron on-die ECC)
* change the semantic of ecc->write_page() for drivers setting the
  NAND_ECC_CUSTOM_PAGE_ACCESS flag
* support exiting 'GET STATUS' command in default ->cmdfunc()
  implementations
* change the prototype of ->setup_data_interface()

A bunch of driver related changes:

* various cleanup, fixes and improvements of the MTK driver
* OMAP DT bindings fixes
* support for ->setup_data_interface() in the fsmc driver
* support for imx7 in the gpmi driver
* finalization of the denali driver rework (thanks to Masahiro for the
  work he's done on this driver)
* fix "bitflips in erased pages" handling in the ifc driver
* addition of PM ops and dynamic timing configuration to the atmel
  driver

And as usual we also have a few minor cleanup/fixes/improvements
patches across the subsystem.
"""
2017-07-07 18:03:11 -07:00
Linus Torvalds
98ced886dd Kbuild thin archives updates for v4.13
Thin archives migration by Nicholas Piggin.
 
 THIN_ARCHIVES has been available for a while as an optional feature
 only for PowerPC architecture, but we do not need two different
 intermediate-artifact schemes.
 
 Using thin archives instead of conventional incremental linking has
 various advantages:
  - save disk space for builds
  - speed-up building a little
  - fix some link issues (for example, allyesconfig on ARM) due to
    more flexibility for the final linking
  - work better with dead code elimination we are planning
 
 As discussed before, this migration has been done unconditionally
 so that any problems caused by this will show up with "git bisect".
 
 With testing with 0-day and linux-next, some architectures actually
 showed up problems, but they were trivial and all fixed now.
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Merge tag 'kbuild-thinar-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild thin archives updates from Masahiro Yamada:
 "Thin archives migration by Nicholas Piggin.

  THIN_ARCHIVES has been available for a while as an optional feature
  only for PowerPC architecture, but we do not need two different
  intermediate-artifact schemes.

  Using thin archives instead of conventional incremental linking has
  various advantages:

   - save disk space for builds

   - speed-up building a little

   - fix some link issues (for example, allyesconfig on ARM) due to more
     flexibility for the final linking

   - work better with dead code elimination we are planning

  As discussed before, this migration has been done unconditionally so
  that any problems caused by this will show up with "git bisect".

  With testing with 0-day and linux-next, some architectures actually
  showed up problems, but they were trivial and all fixed now"

* tag 'kbuild-thinar-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  tile: remove unneeded extra-y in Makefile
  kbuild: thin archives make default for all archs
  x86/um: thin archives build fix
  tile: thin archives fix linking
  ia64: thin archives fix linking
  sh: thin archives fix linking
  kbuild: handle libs-y archives separately from built-in.o archives
  kbuild: thin archives use P option to ar
  kbuild: thin archives final link close --whole-archives option
  ia64: remove unneeded extra-y in Makefile.gate
  tile: fix dependency and .*.cmd inclusion for incremental build
  sparc64: Use indirect calls in hamming weight stubs
2017-07-07 15:11:12 -07:00
Linus Torvalds
58f051fc98 Kbuild updates for v4.13
- Clean up Makefiles and scripts
 
 - Improve clang support
 
 - Remove unneeded genhdr-y syntax
 
 - Remove unneeded cc-option-align macro
 
 - Introduce __cc-option macro and use it to fix x86 boot code compiler flags
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Merge tag 'kbuild-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Clean up Makefiles and scripts

 - Improve clang support

 - Remove unneeded genhdr-y syntax

 - Remove unneeded cc-option-align macro

 - Introduce __cc-option macro and use it to fix x86 boot code compiler
   flags

* tag 'kbuild-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: improve comments on KBUILD_SRC
  x86/build: Specify stack alignment for clang
  x86/build: Use __cc-option for boot code compiler options
  kbuild: Add __cc-option macro
  kbuild: remove cc-option-align
  kbuild: replace genhdr-y with generated-y
  kbuild: clang: Disable 'address-of-packed-member' warning
  kbuild: remove duplicated arch/*/include/generated/uapi include path
  kbuild: speed up checksyscalls.sh
  kbuild: simplify silent build (-s) detection
2017-07-07 14:09:24 -07:00
Linus Torvalds
ef3ad0898a linux-kselftest-4.13-rc1-update
This update consists of:
 
 -- TAP13 framework and changes to some tests to convert to TAP13.
    Converting kselftest output to standard format will help identify
    run to run differences and pin point failures easily. TAP13 format
    has been in use for several years and the output is human friendly.
 
    Please find the specification:
    https://testanything.org/tap-version-13-specification.html
 
    Credit goes to Tim Bird for recommending TAP13 as a suitable format,
    and to Grag KH for kick starting the work with help from Paul Elder
    and Alice Ferrazzi
 
    The first phase of the TAp13 conversion is included in this update.
    Future updates will include updates to rest of the tests.
 
 -- Masami Hiramatsu fixed ftrace to run on 4.9 stable kernels.
 
 -- Kselftest documnetation has been converted to ReST format. Document
    now has a new home under Documentation/dev-tools.
 
 -- kselftest_harness.h is now available for general use as a result of
    Mickaël Salaün's work.
 
 -- Several fixes to skip and/or fail tests gracefully on older releases.
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Merge tag 'linux-kselftest-4.13-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:
 "This update consists of:

   - TAP13 framework and changes to some tests to convert to TAP13.
     Converting kselftest output to standard format will help identify
     run to run differences and pin point failures easily. TAP13 format
     has been in use for several years and the output is human friendly.

     Please find the specification:
       https://testanything.org/tap-version-13-specification.html

     Credit goes to Tim Bird for recommending TAP13 as a suitable
     format, and to Grag KH for kick starting the work with help from
     Paul Elder and Alice Ferrazzi

     The first phase of the TAp13 conversion is included in this update.
     Future updates will include updates to rest of the tests.

   - Masami Hiramatsu fixed ftrace to run on 4.9 stable kernels.

   - Kselftest documnetation has been converted to ReST format. Document
     now has a new home under Documentation/dev-tools.

   - kselftest_harness.h is now available for general use as a result of
     Mickaël Salaün's work.

   - Several fixes to skip and/or fail tests gracefully on older
     releases"

* tag 'linux-kselftest-4.13-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (48 commits)
  selftests: membarrier: use ksft_* var arg msg api
  selftests: breakpoints: breakpoint_test_arm64: convert test to use TAP13
  selftests: breakpoints: step_after_suspend_test use ksft_* var arg msg api
  selftests: breakpoint_test: use ksft_* var arg msg api
  kselftest: add ksft_print_msg() function to output general information
  kselftest: make ksft_* output functions variadic
  selftests/capabilities: Fix the test_execve test
  selftests: intel_pstate: add .gitignore
  selftests: fix memory-hotplug test
  selftests: add missing test name in memory-hotplug test
  selftests: check percentage range for memory-hotplug test
  selftests: check hot-pluggagble memory for memory-hotplug test
  selftests: typo correction for memory-hotplug test
  selftests: ftrace: Use md5sum to take less time of checking logs
  tools/testing/selftests/sysctl: Add pre-check to the value of writes_strict
  kselftest.rst: do some adjustments after ReST conversion
  selftest/net/Makefile: Specify output with $(OUTPUT)
  selftest/intel_pstate/aperf: Use LDLIBS instead of LDFLAGS
  selftest/memfd/Makefile: Fix build error
  selftests: lib: Skip tests on missing test modules
  ...
2017-07-07 14:04:47 -07:00
Linus Torvalds
d691b7e7d1 powerpc updates for 4.13
Highlights include:
 
  - Support for STRICT_KERNEL_RWX on 64-bit server CPUs.
 
  - Platform support for FSP2 (476fpe) board
 
  - Enable ZONE_DEVICE on 64-bit server CPUs.
 
  - Generic & powerpc spin loop primitives to optimise busy waiting
 
  - Convert VDSO update function to use new update_vsyscall() interface
 
  - Optimisations to hypercall/syscall/context-switch paths
 
  - Improvements to the CPU idle code on Power8 and Power9.
 
 As well as many other fixes and improvements.
 
 Thanks to:
   Akshay Adiga, Andrew Donnellan, Andrew Jeffery, Anshuman Khandual, Anton
   Blanchard, Balbir Singh, Benjamin Herrenschmidt, Christophe Leroy, Christophe
   Lombard, Colin Ian King, Dan Carpenter, Gautham R. Shenoy, Hari Bathini, Ian
   Munsie, Ivan Mikhaylov, Javier Martinez Canillas, Madhavan Srinivasan,
   Masahiro Yamada, Matt Brown, Michael Neuling, Michal Suchanek, Murilo
   Opsfelder Araujo, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Paul
   Mackerras, Pavel Machek, Russell Currey, Santosh Sivaraj, Stephen Rothwell,
   Thiago Jung Bauermann, Yang Li.
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Merge tag 'powerpc-4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights include:

   - Support for STRICT_KERNEL_RWX on 64-bit server CPUs.

   - Platform support for FSP2 (476fpe) board

   - Enable ZONE_DEVICE on 64-bit server CPUs.

   - Generic & powerpc spin loop primitives to optimise busy waiting

   - Convert VDSO update function to use new update_vsyscall() interface

   - Optimisations to hypercall/syscall/context-switch paths

   - Improvements to the CPU idle code on Power8 and Power9.

  As well as many other fixes and improvements.

  Thanks to: Akshay Adiga, Andrew Donnellan, Andrew Jeffery, Anshuman
  Khandual, Anton Blanchard, Balbir Singh, Benjamin Herrenschmidt,
  Christophe Leroy, Christophe Lombard, Colin Ian King, Dan Carpenter,
  Gautham R. Shenoy, Hari Bathini, Ian Munsie, Ivan Mikhaylov, Javier
  Martinez Canillas, Madhavan Srinivasan, Masahiro Yamada, Matt Brown,
  Michael Neuling, Michal Suchanek, Murilo Opsfelder Araujo, Naveen N.
  Rao, Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Pavel Machek,
  Russell Currey, Santosh Sivaraj, Stephen Rothwell, Thiago Jung
  Bauermann, Yang Li"

* tag 'powerpc-4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (158 commits)
  powerpc/Kconfig: Enable STRICT_KERNEL_RWX for some configs
  powerpc/mm/radix: Implement STRICT_RWX/mark_rodata_ro() for Radix
  powerpc/mm/hash: Implement mark_rodata_ro() for hash
  powerpc/vmlinux.lds: Align __init_begin to 16M
  powerpc/lib/code-patching: Use alternate map for patch_instruction()
  powerpc/xmon: Add patch_instruction() support for xmon
  powerpc/kprobes/optprobes: Use patch_instruction()
  powerpc/kprobes: Move kprobes over to patch_instruction()
  powerpc/mm/radix: Fix execute permissions for interrupt_vectors
  powerpc/pseries: Fix passing of pp0 in updatepp() and updateboltedpp()
  powerpc/64s: Blacklist rtas entry/exit from kprobes
  powerpc/64s: Blacklist functions invoked on a trap
  powerpc/64s: Un-blacklist system_call() from kprobes
  powerpc/64s: Move system_call() symbol to just after setting MSR_EE
  powerpc/64s: Blacklist system_call() and system_call_common() from kprobes
  powerpc/64s: Convert .L__replay_interrupt_return to a local label
  powerpc64/elfv1: Only dereference function descriptor for non-text symbols
  cxl: Export library to support IBM XSL
  powerpc/dts: Use #include "..." to include local DT
  powerpc/perf/hv-24x7: Aggregate result elements on POWER9 SMT8
  ...
2017-07-07 13:55:45 -07:00
Linus Torvalds
6972b007ca Merge (most of) tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
 "New Drivers:
   - Intel Cherry Trail Whiskey Cove PMIC
   - TI LP87565 PMIC

  New Device Support:
   - Add support for Cannonlake to intel-lpss-pci
   - Add support for Simatic IOT2000 to intel_quark_i2c_gpio

  New Functionality:
   - Add Regulator support (axp20x)

  Fix-ups:
   - Rework IRQ handling (intel_soc_pmic_bxtwc, rtsx_pcr, cros_ec)
   - Remove unused/unwelcome code (ipaq-micro, wm831x-core, da9062-core)
   - Provide deregistration on unbind (rn5t618)
   - Rework DT code/documentation (arizona)
   - Constify things (fsl-imx25-tsadc)
   - MAINTAINERS updates (DA9062/61)
   - Kconfig configuration adaptions (INTEL_SOC_PMIC, MFD_AXP20X_I2C)
   - Switch to DMI matching (intel_quark_i2c_gpio)
   - Provide an appropriate level of error checking (wm831x-{i2c,spi},
     twl4030-irq, tc6393xb)
   - Make use of devm_* (resource handling) calls (intel_soc_pmic_bxtwc,
     stm32-timers, atmel-flexcom, cros_ec, fsl-imx25-tsadc,
     exynos-lpass, palmas, qcom-spmi-pmic, smsc-ece1099,
     motorola-cpcap)"

[ Skipped the last commit in that series that added eight thousand
  lines of pointless repeated register definitions.  - Linus ]

* tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (38 commits)
  mfd: Add LP87565 PMIC support
  mfd: cros_ec: Free IRQ on exit
  dt-bindings: vendor-prefixes: Add arctic to vendor prefix
  mfd: da9061: Fix to remove BBAT_CONT register from chip model
  mfd: da9061: Fix to remove BBAT_CONT register from chip model
  mfd: axp20x-i2c: Document that this must be builtin on x86
  mfd: Add Cherry Trail Whiskey Cove PMIC driver
  mfd: tc6393xb: Handle return value of clk_prepare_enable
  mfd: intel_quark_i2c_gpio: Add support for SIMATIC IOT2000 platform
  mfd: intel_quark_i2c_gpio: Use dmi_system_id table for retrieving frequency
  mfd: motorola-cpcap: Use devm_of_platform_populate()
  mfd: smsc-ece: Use devm_of_platform_populate()
  mfd: qcom-spmi-pmic: Use devm_of_platform_populate()
  mfd: palmas: Use devm_of_platform_populate()
  mfd: exynos: Use devm_of_platform_populate()
  mfd: fsl-imx25: Use devm_of_platform_populate()
  mfd: cros_ec: Use devm_of_platform_populate()
  mfd: atmel: Use devm_of_platform_populate()
  mfd: stm32-timers: Use devm_of_platform_populate()
  mfd: intel_soc_pmic: Select designware i2c-bus driver
  ...
2017-07-07 13:30:05 -07:00
Linus Torvalds
c7d28eca1d This is the bulk of GPIO changes for the v4.13 series:
Core:
 - Export add/remove for lookup tables so that modules can export GPIO
   descriptor tables.
 - Handle GPIO sleep states: it is now possible to flag that a GPIO line
   may loose its state during suspend/resume of the system to save
   power. This is used in the Wolfson Micro Arizona driver.
 - ACPI-based GPIO was tightened up a lot around the edges.
 - Use bitmap_fill() to speed up a loop.
 
 New drivers:
 - Exar XRA1403 SPI-based GPIO.
 - MVEBU driver now supports Armada 7K and 8K.
 - LP87565 PMIC GPIO.
 - Renesas R-CAR R8A7743 (RZ/G1M).
 - The new IOT2040 8250 serial/GPIO also comes in through this
   changeset.
 
 Substantial driver changes:
 - Seriously fix the Exar 8250 GPIO portions to work.
 - The MCP23S08 was moved out to a pin control driver.
 - Convert MEVEBU to use regmap for register access.
 - Drop Vulcan support from the Broadcom driver.
 - Serious cleanup and improvement of the mockup driver, giving us a
   better test coverage.
 
 Misc:
 - Lots of janitorial clean up.
 - A bunch of documentation fixes.
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Merge tag 'gpio-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.13 series.

  Some administrativa:

  I have a slew of 8250 serial patches and the new IOT2040 serial+GPIO
  driver coming in through this tree, along with a whole bunch of Exar
  8250 fixes. These are ACKed by Greg and also hit drivers/platform/*
  where they are ACKed by Andy Shevchenko.

  Speaking about drivers/platform/* there is also a bunch of ACPI stuff
  coming through that route, again ACKed by Andy.

  The MCP23S08 changes are coming in here as well. You already have the
  commits in your tree, so this is just a result of sharing an immutable
  branch between pin control and GPIO.

  Core:
   - Export add/remove for lookup tables so that modules can export GPIO
     descriptor tables.
   - Handle GPIO sleep states: it is now possible to flag that a GPIO
     line may loose its state during suspend/resume of the system to
     save power. This is used in the Wolfson Micro Arizona driver.
   - ACPI-based GPIO was tightened up a lot around the edges.
   - Use bitmap_fill() to speed up a loop.

  New drivers:
   - Exar XRA1403 SPI-based GPIO.
   - MVEBU driver now supports Armada 7K and 8K.
   - LP87565 PMIC GPIO.
   - Renesas R-CAR R8A7743 (RZ/G1M).
   - The new IOT2040 8250 serial/GPIO also comes in through this
     changeset.

  Substantial driver changes:
   - Seriously fix the Exar 8250 GPIO portions to work.
   - The MCP23S08 was moved out to a pin control driver.
   - Convert MEVEBU to use regmap for register access.
   - Drop Vulcan support from the Broadcom driver.
   - Serious cleanup and improvement of the mockup driver, giving us a
     better test coverage.

  Misc:
   - Lots of janitorial clean up.
   - A bunch of documentation fixes"

* tag 'gpio-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (70 commits)
  serial: exar: Add support for IOT2040 device
  gpio-exar/8250-exar: Make set of exported GPIOs configurable
  platform: Accept const properties
  serial: exar: Factor out platform hooks
  gpio-exar/8250-exar: Rearrange gpiochip parenthood
  gpio: exar: Fix iomap request
  gpio-exar/8250-exar: Do not even instantiate a GPIO device for Commtech cards
  serial: uapi: Add support for bus termination
  gpio: rcar: Add R8A7743 (RZ/G1M) support
  gpio: gpio-wcove: Fix GPIO control register offset calculation
  gpio: lp87565: Add support for GPIO
  gpio: dwapb: fix missing first irq for edgeboth irq type
  MAINTAINERS: Take maintainership for GPIO ACPI support
  gpio: exar: Fix reading of directions and values
  gpio: exar: Allocate resources on behalf of the platform device
  gpio-exar/8250-exar: Fix passing in of parent PCI device
  gpio: mockup: use devm_kcalloc() where applicable
  gpio: mockup: add myself as author
  gpio: mockup: improve the error message
  gpio: mockup: don't return magic numbers from probe()
  ...
2017-07-07 12:40:27 -07:00
Linus Torvalds
dddd564dbb This time we've got one core change to introduce a bulk clk_get API,
some new clk drivers and updates for old ones. The diff is pretty
 spread out across a handful of different SoC clk drivers for Broadcom, TI,
 Qualcomm, Renesas, Rockchip, Samsung, and Allwinner, mostly due to the
 introduction of new drivers.
 
 Core:
  - New clk bulk get APIs
  - Clk divider APIs gained the ability to consider a different parent than
    the current one
 
 New Drivers:
  - Renesas r8a779{0,1,2,4} CPG/MSSR
  - TI Keystone SCI firmware controlled clks and OMAP4 clkctrl
  - Qualcomm IPQ8074 SoCs
  - Cortina Systems Gemini (SL3516/CS3516)
  - Rockchip rk3128 SoCs
  - Allwinner A83T clk control units
  - Broadcom Stingray SoCs
  - CPU clks for Mediatek MT8173/MT2701/MT7623 SoCs
 
 Removed Drivers:
  - Old non-DT version of the Realview clk driver
 
 Updates:
  - Renesas Kconfig/Makefile cleanups
  - Amlogic CEC EE clk support
  - Improved Armada 7K/8K cp110 clk support
  - Rockchip clk id exposing, critical clk markings
  - Samsung converted to clk_hw registration APIs
  - Fixes for Samsung exynos5420 audio clks
  - USB2 clks for Hisilicon hi3798cv200 SoC and video/camera clks for hi3660
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This time we've got one core change to introduce a bulk clk_get API,
  some new clk drivers and updates for old ones. The diff is pretty
  spread out across a handful of different SoC clk drivers for Broadcom,
  TI, Qualcomm, Renesas, Rockchip, Samsung, and Allwinner, mostly due to
  the introduction of new drivers.

  Core:
   - New clk bulk get APIs
   - Clk divider APIs gained the ability to consider a different parent
     than the current one

  New Drivers:
   - Renesas r8a779{0,1,2,4} CPG/MSSR
   - TI Keystone SCI firmware controlled clks and OMAP4 clkctrl
   - Qualcomm IPQ8074 SoCs
   - Cortina Systems Gemini (SL3516/CS3516)
   - Rockchip rk3128 SoCs
   - Allwinner A83T clk control units
   - Broadcom Stingray SoCs
   - CPU clks for Mediatek MT8173/MT2701/MT7623 SoCs

  Removed Drivers:
   - Old non-DT version of the Realview clk driver

  Updates:
   - Renesas Kconfig/Makefile cleanups
   - Amlogic CEC EE clk support
   - Improved Armada 7K/8K cp110 clk support
   - Rockchip clk id exposing, critical clk markings
   - Samsung converted to clk_hw registration APIs
   - Fixes for Samsung exynos5420 audio clks
   - USB2 clks for Hisilicon hi3798cv200 SoC and video/camera clks for
     hi3660"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (147 commits)
  clk: gemini: Read status before using the value
  clk: scpi: error when clock fails to register
  clk: at91: Add sama5d2 suspend/resume
  gpio: dt-bindings: Add documentation for gpio controllers on Armada 7K/8K
  clk: keystone: TI_SCI_PROTOCOL is needed for clk driver
  clk: samsung: audss: Fix silent hang on Exynos4412 due to disabled EPLL
  clk: uniphier: provide NAND controller clock rate
  clk: hisilicon: add usb2 clocks for hi3798cv200 SoC
  clk: Add Gemini SoC clock controller
  clk: iproc: Remove __init marking on iproc_pll_clk_setup()
  clk: bcm: Add clocks for Stingray SOC
  dt-bindings: clk: Extend binding doc for Stingray SOC
  clk: mediatek: export cpu multiplexer clock for MT8173 SoCs
  clk: mediatek: export cpu multiplexer clock for MT2701/MT7623 SoCs
  clk: mediatek: add missing cpu mux causing Mediatek cpufreq can't work
  clk: renesas: cpg-mssr: Use of_device_get_match_data() helper
  clk: hi6220: add acpu clock
  clk: zx296718: export I2S mux clocks
  clk: imx7d: create clocks behind rawnand clock gate
  clk: hi3660: Set PPLL2 to 2880M
  ...
2017-07-07 12:26:13 -07:00
Bjorn Helgaas
6aed468480 Merge branch 'pci/host-tango' into next
* pci/host-tango:
  PCI: tango: Add Sigma Designs Tango SMP8759 PCIe host bridge support
  PCI: Add DT binding for Sigma Designs Tango PCIe controller

Conflicts:
	drivers/pci/host/Kconfig
	drivers/pci/host/Makefile
2017-07-07 13:42:25 -05:00
Linus Torvalds
dd6ec12f3b DeviceTree for 4.13:
- vsprintf format specifier %pOF for device_node's. This will enable us
   to stop storing the full node names. Conversion of users will happen
   next cycle.
 
 - Update documentation to point to DT specification instead of ePAPR.
 
 - Split out graph and property functions to a separate file.
 
 - New of-graph functions for ALSA
 
 - Add vendor prefixes for RISC-V, Linksys, iWave Systems, Roofull,
   Itead, and BananaPi.
 
 - Improve dtx_diff utility filename printing.
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Merge tag 'devicetree-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:

 - vsprintf format specifier %pOF for device_node's. This will enable us
   to stop storing the full node names. Conversion of users will happen
   next cycle.

 - Update documentation to point to DT specification instead of ePAPR.

 - Split out graph and property functions to a separate file.

 - New of-graph functions for ALSA

 - Add vendor prefixes for RISC-V, Linksys, iWave Systems, Roofull,
   Itead, and BananaPi.

 - Improve dtx_diff utility filename printing.

* tag 'devicetree-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (32 commits)
  of: document /sys/firmware/fdt
  dt-bindings: Add RISC-V vendor prefix
  vsprintf: Add %p extension "%pOF" for device tree
  of: find_node_by_full_name rewrite to compare each level
  of: use kbasename instead of open coding
  dt-bindings: thermal: add file extension to brcm,ns-thermal
  of: update ePAPR references to point to Devicetree Specification
  scripts/dtc: dtx_diff - Show real file names in diff header
  of: detect invalid phandle in overlay
  of: be consistent in form of file mode
  of: make __of_attach_node() static
  of: address.c header comment typo
  of: fdt.c header comment typo
  of: make of_fdt_is_compatible() static
  dt-bindings: display-timing.txt convert non-ascii characters to ascii
  Documentation: remove overlay-notes reference to non-existent file
  dt-bindings: usb: exynos-usb: Add missing required VDD properties
  dt-bindings: Add vendor prefix for Linksys
  MAINTAINERS: add device tree ABI documentation file
  of: Add vendor prefix for iWave Systems Technologies Pvt. Ltd
  ...
2017-07-07 10:37:54 -07:00
Chao Yu
daeb433e42 f2fs: introduce reserved_blocks in sysfs
In this patch, we add a new sysfs interface, with it, we can control
number of reserved blocks in system which could not be used by user,
it enable f2fs to let user to configure for adjusting over-provision
ratio dynamically instead of changing it by mkfs.

So we can expect it will help to reserve more free space for relieving
GC in both filesystem and flash device.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-07-07 10:34:41 -07:00
Linus Torvalds
21c19bc7ee Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:

 - Minor improvement : avoid requiring unnecessary startup/shutdown
   callback that many drivers seem to not need

 - New controller driver for Qualcomm's APCS IPC

* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: Introduce Qualcomm APCS IPC driver
  dt-bindings: mailbox: Introduce Qualcomm APCS global binding
  mailbox: Make startup and shutdown ops optional
2017-07-07 10:24:07 -07:00
Alexandre Belloni
697e5a47aa rtc: add generic nvmem support
Many RTCs have an on board non volatile storage. It can be battery backed
RAM or an EEPROM. Use the nvmem subsystem to export it to both userspace
and in-kernel consumers.

This stays compatible with the previous (non documented) ABI that was using
/sys/class/rtc/rtcx/device/nvram to export that memory. But will warn about
the deprecation.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-07-07 13:14:14 +02:00
Linus Torvalds
9f45efb928 Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:

 - a few hotfixes

 - various misc updates

 - ocfs2 updates

 - most of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (108 commits)
  mm, memory_hotplug: move movable_node to the hotplug proper
  mm, memory_hotplug: drop CONFIG_MOVABLE_NODE
  mm, memory_hotplug: drop artificial restriction on online/offline
  mm: memcontrol: account slab stats per lruvec
  mm: memcontrol: per-lruvec stats infrastructure
  mm: memcontrol: use generic mod_memcg_page_state for kmem pages
  mm: memcontrol: use the node-native slab memory counters
  mm: vmstat: move slab statistics from zone to node counters
  mm/zswap.c: delete an error message for a failed memory allocation in zswap_dstmem_prepare()
  mm/zswap.c: improve a size determination in zswap_frontswap_init()
  mm/zswap.c: delete an error message for a failed memory allocation in zswap_pool_create()
  mm/swapfile.c: sort swap entries before free
  mm/oom_kill: count global and memory cgroup oom kills
  mm: per-cgroup memory reclaim stats
  mm: kmemleak: treat vm_struct as alternative reference to vmalloc'ed objects
  mm: kmemleak: factor object reference updating out of scan_block()
  mm: kmemleak: slightly reduce the size of some structures on 64-bit architectures
  mm, mempolicy: don't check cpuset seqlock where it doesn't matter
  mm, cpuset: always use seqlock when changing task's nodemask
  mm, mempolicy: simplify rebinding mempolicies when updating cpusets
  ...
2017-07-06 22:27:08 -07:00
Linus Torvalds
f72e24a124 This is the first pull request for the new dma-mapping subsystem
In this new subsystem we'll try to properly maintain all the generic
 code related to dma-mapping, and will further consolidate arch code
 into common helpers.
 
 This pull request contains:
 
  - removal of the DMA_ERROR_CODE macro, replacing it with calls
    to ->mapping_error so that the dma_map_ops instances are
    more self contained and can be shared across architectures (me)
  - removal of the ->set_dma_mask method, which duplicates the
    ->dma_capable one in terms of functionality, but requires more
    duplicate code.
  - various updates for the coherent dma pool and related arm code
    (Vladimir)
  - various smaller cleanups (me)
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Merge tag 'dma-mapping-4.13' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping infrastructure from Christoph Hellwig:
 "This is the first pull request for the new dma-mapping subsystem

  In this new subsystem we'll try to properly maintain all the generic
  code related to dma-mapping, and will further consolidate arch code
  into common helpers.

  This pull request contains:

   - removal of the DMA_ERROR_CODE macro, replacing it with calls to
     ->mapping_error so that the dma_map_ops instances are more self
     contained and can be shared across architectures (me)

   - removal of the ->set_dma_mask method, which duplicates the
     ->dma_capable one in terms of functionality, but requires more
     duplicate code.

   - various updates for the coherent dma pool and related arm code
     (Vladimir)

   - various smaller cleanups (me)"

* tag 'dma-mapping-4.13' of git://git.infradead.org/users/hch/dma-mapping: (56 commits)
  ARM: dma-mapping: Remove traces of NOMMU code
  ARM: NOMMU: Set ARM_DMA_MEM_BUFFERABLE for M-class cpus
  ARM: NOMMU: Introduce dma operations for noMMU
  drivers: dma-mapping: allow dma_common_mmap() for NOMMU
  drivers: dma-coherent: Introduce default DMA pool
  drivers: dma-coherent: Account dma_pfn_offset when used with device tree
  dma: Take into account dma_pfn_offset
  dma-mapping: replace dmam_alloc_noncoherent with dmam_alloc_attrs
  dma-mapping: remove dmam_free_noncoherent
  crypto: qat - avoid an uninitialized variable warning
  au1100fb: remove a bogus dma_free_nonconsistent call
  MAINTAINERS: add entry for dma mapping helpers
  powerpc: merge __dma_set_mask into dma_set_mask
  dma-mapping: remove the set_dma_mask method
  powerpc/cell: use the dma_supported method for ops switching
  powerpc/cell: clean up fixed mapping dma_ops initialization
  tile: remove dma_supported and mapping_error methods
  xen-swiotlb: remove xen_swiotlb_set_dma_mask
  arm: implement ->dma_supported instead of ->set_dma_mask
  mips/loongson64: implement ->dma_supported instead of ->set_dma_mask
  ...
2017-07-06 19:20:54 -07:00
Linus Torvalds
6e6c5b9606 xen: features and fixes for 4.13-rc1
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Merge tag 'for-linus-4.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:
 "Other than fixes and cleanups it contains:

   - support > 32 VCPUs at domain restore

   - support for new sysfs nodes related to Xen

   - some performance tuning for Linux running as Xen guest"

* tag 'for-linus-4.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/xen: allow userspace access during hypercalls
  x86: xen: remove unnecessary variable in xen_foreach_remap_area()
  xen: allocate page for shared info page from low memory
  xen: avoid deadlock in xenbus driver
  xen: add sysfs node for hypervisor build id
  xen: sync include/xen/interface/version.h
  xen: add sysfs node for guest type
  doc,xen: document hypervisor sysfs nodes for xen
  xen/vcpu: Handle xen_vcpu_setup() failure at boot
  xen/vcpu: Handle xen_vcpu_setup() failure in hotplug
  xen/pv: Fix OOPS on restore for a PV, !SMP domain
  xen/pvh*: Support > 32 VCPUs at domain restore
  xen/vcpu: Simplify xen_vcpu related code
  xen-evtchn: Bind dyn evtchn:qemu-dm interrupt to next online VCPU
  xen: avoid type warning in xchg_xen_ulong
  xen: fix HYPERVISOR_dm_op() prototype
  xen: don't print error message in case of missing Xenstore entry
  arm/xen: Adjust one function call together with a variable assignment
  arm/xen: Delete an error message for a failed memory allocation in __set_phys_to_machine_multi()
  arm/xen: Improve a size determination in __set_phys_to_machine_multi()
2017-07-06 19:11:24 -07:00
Linus Torvalds
c136b84393 PPC:
- Better machine check handling for HV KVM
 - Ability to support guests with threads=2, 4 or 8 on POWER9
 - Fix for a race that could cause delayed recognition of signals
 - Fix for a bug where POWER9 guests could sleep with interrupts pending.
 
 ARM:
 - VCPU request overhaul
 - allow timer and PMU to have their interrupt number selected from userspace
 - workaround for Cavium erratum 30115
 - handling of memory poisonning
 - the usual crop of fixes and cleanups
 
 s390:
 - initial machine check forwarding
 - migration support for the CMMA page hinting information
 - cleanups and fixes
 
 x86:
 - nested VMX bugfixes and improvements
 - more reliable NMI window detection on AMD
 - APIC timer optimizations
 
 Generic:
 - VCPU request overhaul + documentation of common code patterns
 - kvm_stat improvements
 
 There is a small conflict in arch/s390 due to an arch-wide field rename.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "PPC:
   - Better machine check handling for HV KVM
   - Ability to support guests with threads=2, 4 or 8 on POWER9
   - Fix for a race that could cause delayed recognition of signals
   - Fix for a bug where POWER9 guests could sleep with interrupts pending.

  ARM:
   - VCPU request overhaul
   - allow timer and PMU to have their interrupt number selected from userspace
   - workaround for Cavium erratum 30115
   - handling of memory poisonning
   - the usual crop of fixes and cleanups

  s390:
   - initial machine check forwarding
   - migration support for the CMMA page hinting information
   - cleanups and fixes

  x86:
   - nested VMX bugfixes and improvements
   - more reliable NMI window detection on AMD
   - APIC timer optimizations

  Generic:
   - VCPU request overhaul + documentation of common code patterns
   - kvm_stat improvements"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (124 commits)
  Update my email address
  kvm: vmx: allow host to access guest MSR_IA32_BNDCFGS
  x86: kvm: mmu: use ept a/d in vmcs02 iff used in vmcs12
  kvm: x86: mmu: allow A/D bits to be disabled in an mmu
  x86: kvm: mmu: make spte mmio mask more explicit
  x86: kvm: mmu: dead code thanks to access tracking
  KVM: PPC: Book3S: Fix typo in XICS-on-XIVE state saving code
  KVM: PPC: Book3S HV: Close race with testing for signals on guest entry
  KVM: PPC: Book3S HV: Simplify dynamic micro-threading code
  KVM: x86: remove ignored type attribute
  KVM: LAPIC: Fix lapic timer injection delay
  KVM: lapic: reorganize restart_apic_timer
  KVM: lapic: reorganize start_hv_timer
  kvm: nVMX: Check memory operand to INVVPID
  KVM: s390: Inject machine check into the nested guest
  KVM: s390: Inject machine check into the guest
  tools/kvm_stat: add new interactive command 'b'
  tools/kvm_stat: add new command line switch '-i'
  tools/kvm_stat: fix error on interactive command 'g'
  KVM: SVM: suppress unnecessary NMI singlestep on GIF=0 and nested exit
  ...
2017-07-06 18:38:31 -07:00
Michal Hocko
f70029bbaa mm, memory_hotplug: drop CONFIG_MOVABLE_NODE
Commit 20b2f52b73 ("numa: add CONFIG_MOVABLE_NODE for
movable-dedicated node") has introduced CONFIG_MOVABLE_NODE without a
good explanation on why it is actually useful.

It makes a lot of sense to make movable node semantic opt in but we
already have that because the feature has to be explicitly enabled on
the kernel command line.  A config option on top only makes the
configuration space larger without a good reason.  It also adds an
additional ifdefery that pollutes the code.

Just drop the config option and make it de-facto always enabled.  This
shouldn't introduce any change to the semantic.

Link: http://lkml.kernel.org/r/20170529114141.536-3-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Yasuaki Ishimatsu <yasu.isimatu@gmail.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Kani Toshimitsu <toshi.kani@hpe.com>
Cc: Chen Yucong <slaoub@gmail.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-06 16:24:35 -07:00
Konstantin Khlebnikov
8e675f7af5 mm/oom_kill: count global and memory cgroup oom kills
Show count of oom killer invocations in /proc/vmstat and count of
processes killed in memory cgroup in knob "memory.events" (in
memory.oom_control for v1 cgroup).

Also describe difference between "oom" and "oom_kill" in memory cgroup
documentation.  Currently oom in memory cgroup kills tasks iff shortage
has happened inside page fault.

These counters helps in monitoring oom kills - for now the only way is
grepping for magic words in kernel log.

[akpm@linux-foundation.org: fix for mem_cgroup_count_vm_event() rename]
[akpm@linux-foundation.org: fix comment, per Konstantin]
Link: http://lkml.kernel.org/r/149570810989.203600.9492483715840752937.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Roman Guschin <guroan@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-06 16:24:35 -07:00
Roman Gushchin
2262185c5b mm: per-cgroup memory reclaim stats
Track the following reclaim counters for every memory cgroup: PGREFILL,
PGSCAN, PGSTEAL, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE and PGLAZYFREED.

These values are exposed using the memory.stats interface of cgroup v2.

The meaning of each value is the same as for global counters, available
using /proc/vmstat.

Also, for consistency, rename mem_cgroup_count_vm_event() to
count_memcg_event_mm().

Link: http://lkml.kernel.org/r/1494530183-30808-1-git-send-email-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-06 16:24:35 -07:00
Catalin Marinas
94f4a1618b mm: kmemleak: treat vm_struct as alternative reference to vmalloc'ed objects
Kmemleak requires that vmalloc'ed objects have a minimum reference count
of 2: one in the corresponding vm_struct object and the other owned by
the vmalloc() caller.  There are cases, however, where the original
vmalloc() returned pointer is lost and, instead, a pointer to vm_struct
is stored (see free_thread_stack()).  Kmemleak currently reports such
objects as leaks.

This patch adds support for treating any surplus references to an object
as additional references to a specified object.  It introduces the
kmemleak_vmalloc() API function which takes a vm_struct pointer and sets
its surplus reference passing to the actual vmalloc() returned pointer.
The __vmalloc_node_range() calling site has been modified accordingly.

Link: http://lkml.kernel.org/r/1495726937-23557-4-git-send-email-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-06 16:24:34 -07:00
Andrea Arcangeli
2c653d0ee2 ksm: introduce ksm_max_page_sharing per page deduplication limit
Without a max deduplication limit for each KSM page, the list of the
rmap_items associated to each stable_node can grow infinitely large.

During the rmap walk each entry can take up to ~10usec to process
because of IPIs for the TLB flushing (both for the primary MMU and the
secondary MMUs with the MMU notifier).  With only 16GB of address space
shared in the same KSM page, that would amount to dozens of seconds of
kernel runtime.

A ~256 max deduplication factor will reduce the latencies of the rmap
walks on KSM pages to order of a few msec.  Just doing the
cond_resched() during the rmap walks is not enough, the list size must
have a limit too, otherwise the caller could get blocked in (schedule
friendly) kernel computations for seconds, unexpectedly.

There's room for optimization to significantly reduce the IPI delivery
cost during the page_referenced(), but at least for page_migration in
the KSM case (used by hard NUMA bindings, compaction and NUMA balancing)
it may be inevitable to send lots of IPIs if each rmap_item->mm is
active on a different CPU and there are lots of CPUs.  Even if we ignore
the IPI delivery cost, we've still to walk the whole KSM rmap list, so
we can't allow millions or billions (ulimited) number of entries in the
KSM stable_node rmap_item lists.

The limit is enforced efficiently by adding a second dimension to the
stable rbtree.  So there are three types of stable_nodes: the regular
ones (identical as before, living in the first flat dimension of the
stable rbtree), the "chains" and the "dups".

Every "chain" and all "dups" linked into a "chain" enforce the invariant
that they represent the same write protected memory content, even if
each "dup" will be pointed by a different KSM page copy of that content.
This way the stable rbtree lookup computational complexity is unaffected
if compared to an unlimited max_sharing_limit.  It is still enforced
that there cannot be KSM page content duplicates in the stable rbtree
itself.

Adding the second dimension to the stable rbtree only after the
max_page_sharing limit hits, provides for a zero memory footprint
increase on 64bit archs.  The memory overhead of the per-KSM page
stable_tree and per virtual mapping rmap_item is unchanged.  Only after
the max_page_sharing limit hits, we need to allocate a stable_tree
"chain" and rb_replace() the "regular" stable_node with the newly
allocated stable_node "chain".  After that we simply add the "regular"
stable_node to the chain as a stable_node "dup" by linking hlist_dup in
the stable_node_chain->hlist.  This way the "regular" (flat) stable_node
is converted to a stable_node "dup" living in the second dimension of
the stable rbtree.

During stable rbtree lookups the stable_node "chain" is identified as
stable_node->rmap_hlist_len == STABLE_NODE_CHAIN (aka
is_stable_node_chain()).

When dropping stable_nodes, the stable_node "dup" is identified as
stable_node->head == STABLE_NODE_DUP_HEAD (aka is_stable_node_dup()).

The STABLE_NODE_DUP_HEAD must be an unique valid pointer never used
elsewhere in any stable_node->head/node to avoid a clashes with the
stable_node->node.rb_parent_color pointer, and different from
&migrate_nodes.  So the second field of &migrate_nodes is picked and
verified as always safe with a BUILD_BUG_ON in case the list_head
implementation changes in the future.

The STABLE_NODE_DUP is picked as a random negative value in
stable_node->rmap_hlist_len.  rmap_hlist_len cannot become negative when
it's a "regular" stable_node or a stable_node "dup".

The stable_node_chain->nid is irrelevant.  The stable_node_chain->kpfn
is aliased in a union with a time field used to rate limit the
stable_node_chain->hlist prunes.

The garbage collection of the stable_node_chain happens lazily during
stable rbtree lookups (as for all other kind of stable_nodes), or while
disabling KSM with "echo 2 >/sys/kernel/mm/ksm/run" while collecting the
entire stable rbtree.

While the "regular" stable_nodes and the stable_node "dups" must wait
for their underlying tree_page to be freed before they can be freed
themselves, the stable_node "chains" can be freed immediately if the
stable_node->hlist turns empty.  This is because the "chains" are never
pointed by any page->mapping and they're effectively stable rbtree KSM
self contained metadata.

[akpm@linux-foundation.org: fix non-NUMA build]
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Tested-by: Petr Holasek <pholasek@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Evgheni Dereveanchin <ederevea@redhat.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Gavin Guo <gavin.guo@canonical.com>
Cc: Jay Vosburgh <jay.vosburgh@canonical.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-06 16:24:31 -07:00
Kees Cook
7660a6fddc mm: allow slab_nomerge to be set at build time
Some hardened environments want to build kernels with slab_nomerge
already set (so that they do not depend on remembering to set the kernel
command line option).  This is desired to reduce the risk of kernel heap
overflows being able to overwrite objects from merged caches and changes
the requirements for cache layout control, increasing the difficulty of
these attacks.  By keeping caches unmerged, these kinds of exploits can
usually only damage objects in the same cache (though the risk to
metadata exploitation is unchanged).

Link: http://lkml.kernel.org/r/20170620230911.GA25238@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: David Windsor <dave@nullcore.net>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: David Windsor <dave@nullcore.net>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-06 16:24:31 -07:00
Linus Torvalds
e0f25a3f2d hwspinlock updates for v4.13
This introduces a driver for the Spreadtrum hardware spinlock device and cleans
 up the Kconfig file.
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Merge tag 'hwlock-v4.13' of git://github.com/andersson/remoteproc

Pull hwspinlock updates from Bjorn Andersson:
 "This introduces a driver for the Spreadtrum hardware spinlock device
  and cleans up the Kconfig file"

* tag 'hwlock-v4.13' of git://github.com/andersson/remoteproc:
  DT: hwspinlock: Add binding documentation for Spreadtrum hwspinlock
  hwspinlock: sprd: Add hardware spinlock driver
  Make HWSPINLOCK a menuconfig to ease disabling
2017-07-06 15:41:33 -07:00
Linus Torvalds
9a6293c321 remoteproc updates for v4.13
This introduces the Keystone 2 DSP driver and refactors the start/stop code in
 recovery. The Davinci DSP driver gets a few fixes and the Kconfig gets cleaned
 up.
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Merge tag 'rproc-v4.13' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This introduces the Keystone 2 DSP driver and refactors the start/stop
  code in recovery. The Davinci DSP driver gets a few fixes and the
  Kconfig gets cleaned up"

* tag 'rproc-v4.13' of git://github.com/andersson/remoteproc:
  remoteproc/keystone: Fix circular dependencies for ARM configs
  remoteproc: Drop redundant REMOTEPROC dependency from driver Kconfigs
  remoteproc: Drop VIRTUALIZATION dependency from REMOTEPROC
  remoteproc/keystone: Ensure the DSPs are in reset in probe
  remoteproc/keystone: Add a remoteproc driver for Keystone 2 DSPs
  dt-bindings: remoteproc: Add Keystone DSP remoteproc binding
  remoteproc/davinci: fix unbalanced reset between start and stop ops
  remoteproc/davinci: simplify the reset function
  remoteproc/davinci: Update Kconfig to depend on DMA_CMA
  remoteproc: fix spelling mistake: "Resouce" -> "Resource"
  remoteproc: Modify recovery path to use rproc_{start,stop}()
  remoteproc: Introduce rproc_{start,stop}() functions
2017-07-06 15:40:14 -07:00
Linus Torvalds
426b8eeb05 rpmsg updates for v4.13
This introduces the Qualcomm GLINK protocol driver and DeviceTree-based
 modalias support, as well as a number of smaller fixes.
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Merge tag 'rpmsg-v4.13' of git://github.com/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:
 "This introduces the Qualcomm GLINK protocol driver and
  DeviceTree-based modalias support, as well as a number of smaller
  fixes"

* tag 'rpmsg-v4.13' of git://github.com/andersson/remoteproc:
  rpmsg: Make modalias work for DeviceTree based devices
  rpmsg: Drop VIRTUALIZATION dependency from RPMSG_VIRTIO
  rpmsg: Don't overwrite release op of rpdev
  rpmsg: virtio_rpmsg_bus: cleanup multiple assignment to ops
  rpmsg: virtio_rpmsg_bus: fix nameservice address
  rpmsg: cleanup incorrect function in dev_err message
  rpmsg: virtio_rpmsg_bus: fix announce for devices without endpoint
  rpmsg: Introduce Qualcomm RPM glink driver
  soc: qcom: Add device tree binding for GLINK RPM
  rpmsg: Release rpmsg devices in backends
2017-07-06 15:38:31 -07:00
Linus Torvalds
0dfaeb618f platform-drivers-x86 for v4.13-1
Introduce new bus architecture for WMI and expose BMOF data through
 sysfs. Correct several assumptions about WMI instance number from 1 to
 0. Further fujitsu-laptop cleanups, continuing to prepare for separation
 into two modules. Add support for several new ideapad laptops and
 silead-based tablets. Various minor fixes and const cleanups.
 
 sony-laptop:
  - constify attribute_group and input index array
 
 fujitsu-laptop:
  - rework debugging
  - do not evaluate ACPI _INI methods
  - do not update ACPI device power status
  - sanitize hotkey input device identification
  - use strcpy to set ACPI device names and classes
  - remove redundant safety checks
  - use device-specific data in remaining module code
  - use device-specific data in LED-related code
  - explicitly pass ACPI device to call_fext_func()
  - track the last instantiated FUJ02E3 ACPI device
  - allocate fujitsu_laptop in acpi_fujitsu_laptop_add()
  - use device-specific data in backlight code
  - allocate fujitsu_bl in acpi_fujitsu_bl_add()
  - distinguish current uses of device-specific data
 
 msi-laptop:
  - constify msipf*_attribute_group
 
 eeepc-laptop:
  - constify platform_attribute_group
 
 toshiba_haps:
  - constify haps_attr_group
 
 dell-wmi-led:
  - Adjust instance of wmi_evaluate_method calls to 0
 
 alienware-wmi:
  - Adjust instance of wmi_evaluate_method calls to 0
 
 intel_menlow:
  - Add const to thermal_cooling_device_ops structure
 
 acerhdf:
  - Add const to thermal_cooling_device_ops structure
 
 dell-laptop:
  - Fix bogus keyboard backlight sysfs interface
 
 acer-wmi:
  - Using zero as first WMI instance number
  - Detect RF Button capability
 
 ideapad-laptop:
  - Add Y720-15IKBN to no_hw_rfkill
  - Add Y520-15IKBN to no_hw_rfkill
  - constify rfkill_ops structure
  - Squelch ACPI event 1
  - hide unused 'touchpad_store'
  - Switch touchpad attribute to be RO
  - Add sysfs interface for touchpad state
 
 silead_dmi:
  - Add touchscreen info for PoV mobii wintab p800w
  - Add touchscreen info for Pipo W2S tablet
  - Add touchscreen info for GP-electronic T701
 
 dell-rbtn:
  - constify rfkill_ops structures
  - Improve explanation about DELLABC6
 
 samsung-laptop:
  - constify rfkill_ops structures
 
 panasonic-laptop:
  - remove unused code
 
 samsung-laptop:
  - Initialize loca variable
 
 dell-wmi:
  - Convert to the WMI bus infrastructure
  - Add a better description for "stealth mode"
  - Add a comment explaining the 0xb2 magic number
 
 wmi-bmof:
  - New driver to expose embedded Binary WMI MOF metadata
 
 wmi*:
  - Fix printing info about WDG structure
  - Add recent copyright statements
  - Require query for data blocks, rename writable to setable
  - Add an interface for subdrivers to access sibling devices
  - Bind the platform device, not the ACPI node
  - Add a new interface to read block data
  - Incorporate acpi_install_notify_handler
  - Instantiate all devices before adding them
  - Probe data objects for read and write capabilities
  - Split devices into types and add basic sysfs attributes
  - Fix error handling when creating devices
  - Turn WMI into a bus driver
  - Track wmi devices per ACPI device
  - Clean up acpi_wmi_add
  - Pass the acpi_device through to parse_wdg
  - Drop "Mapper (un)loaded" messages
 
 intel_cht_int33fe:
  - Set supplied-from property on max17047 dev
 
 intel_pmc_ipc:
  - Mark ipc_data_readb() as __maybe_unused
 
 topstar-laptop:
  - Add new device id
 
 peaq-wmi:
  - Add new peaq-wmi driver
 
 thinkpad_acpi:
  - Add a comment about 0 in module_param_call()
  - Join string literals back
 
 toshiba_acpi:
  - use memdup_user_nul
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Merge tag 'platform-drivers-x86-v4.13-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Introduce new bus architecture for WMI and expose BMOF data through
  sysfs. Correct several assumptions about WMI instance number from 1 to
  0. Further fujitsu-laptop cleanups, continuing to prepare for
  separation into two modules. Add support for several new ideapad
  laptops and silead-based tablets. Various minor fixes and const
  cleanups.

  Detail summary:

  sony-laptop:
   - constify attribute_group and input index array

  fujitsu-laptop:
   - rework debugging
   - do not evaluate ACPI _INI methods
   - do not update ACPI device power status
   - sanitize hotkey input device identification
   - use strcpy to set ACPI device names and classes
   - remove redundant safety checks
   - use device-specific data in remaining module code
   - use device-specific data in LED-related code
   - explicitly pass ACPI device to call_fext_func()
   - track the last instantiated FUJ02E3 ACPI device
   - allocate fujitsu_laptop in acpi_fujitsu_laptop_add()
   - use device-specific data in backlight code
   - allocate fujitsu_bl in acpi_fujitsu_bl_add()
   - distinguish current uses of device-specific data

  msi-laptop:
   - constify msipf*_attribute_group

  eeepc-laptop:
   - constify platform_attribute_group

  toshiba_haps:
   - constify haps_attr_group

  dell-wmi-led:
   - Adjust instance of wmi_evaluate_method calls to 0

  alienware-wmi:
   - Adjust instance of wmi_evaluate_method calls to 0

  intel_menlow:
   - Add const to thermal_cooling_device_ops structure

  acerhdf:
   - Add const to thermal_cooling_device_ops structure

  dell-laptop:
   - Fix bogus keyboard backlight sysfs interface

  acer-wmi:
   - Using zero as first WMI instance number
   - Detect RF Button capability

  ideapad-laptop:
   - Add Y720-15IKBN to no_hw_rfkill
   - Add Y520-15IKBN to no_hw_rfkill
   - constify rfkill_ops structure
   - Squelch ACPI event 1
   - hide unused 'touchpad_store'
   - Switch touchpad attribute to be RO
   - Add sysfs interface for touchpad state

  silead_dmi:
   - Add touchscreen info for PoV mobii wintab p800w
   - Add touchscreen info for Pipo W2S tablet
   - Add touchscreen info for GP-electronic T701

  dell-rbtn:
   - constify rfkill_ops structures
   - Improve explanation about DELLABC6

  samsung-laptop:
   - constify rfkill_ops structures

  panasonic-laptop:
   - remove unused code

  samsung-laptop:
   - Initialize loca variable

  dell-wmi:
   - Convert to the WMI bus infrastructure
   - Add a better description for "stealth mode"
   - Add a comment explaining the 0xb2 magic number

  wmi-bmof:
   - New driver to expose embedded Binary WMI MOF metadata

  wmi*:
   - Fix printing info about WDG structure
   - Add recent copyright statements
   - Require query for data blocks, rename writable to setable
   - Add an interface for subdrivers to access sibling devices
   - Bind the platform device, not the ACPI node
   - Add a new interface to read block data
   - Incorporate acpi_install_notify_handler
   - Instantiate all devices before adding them
   - Probe data objects for read and write capabilities
   - Split devices into types and add basic sysfs attributes
   - Fix error handling when creating devices
   - Turn WMI into a bus driver
   - Track wmi devices per ACPI device
   - Clean up acpi_wmi_add
   - Pass the acpi_device through to parse_wdg
   - Drop "Mapper (un)loaded" messages

  intel_cht_int33fe:
   - Set supplied-from property on max17047 dev

  intel_pmc_ipc:
   - Mark ipc_data_readb() as __maybe_unused

  topstar-laptop:
   - Add new device id

  peaq-wmi:
   - Add new peaq-wmi driver

  thinkpad_acpi:
   - Add a comment about 0 in module_param_call()
   - Join string literals back

  toshiba_acpi:
   - use memdup_user_nul"

* tag 'platform-drivers-x86-v4.13-1' of git://git.infradead.org/linux-platform-drivers-x86: (67 commits)
  platform/x86: sony-laptop: constify attribute_group and input index array
  platform/x86: fujitsu-laptop: rework debugging
  platform/x86: fujitsu-laptop: do not evaluate ACPI _INI methods
  platform/x86: fujitsu-laptop: do not update ACPI device power status
  platform/x86: fujitsu-laptop: sanitize hotkey input device identification
  platform/x86: fujitsu-laptop: use strcpy to set ACPI device names and classes
  platform/x86: fujitsu-laptop: remove redundant safety checks
  platform/x86: msi-laptop: constify msipf*_attribute_group
  platform/x86: eeepc-laptop: constify platform_attribute_group
  platform/x86: toshiba_haps: constify haps_attr_group
  platform/x86: dell-wmi-led: Adjust instance of wmi_evaluate_method calls to 0
  platform/x86: alienware-wmi: Adjust instance of wmi_evaluate_method calls to 0
  platform/x86: intel_menlow: Add const to thermal_cooling_device_ops structure
  platform/x86: acerhdf: Add const to thermal_cooling_device_ops structure
  platform/x86: dell-laptop: Fix bogus keyboard backlight sysfs interface
  platform/x86: acer-wmi: Using zero as first WMI instance number
  platform/x86: ideapad-laptop: Add Y720-15IKBN to no_hw_rfkill
  platform/x86: ideapad-laptop: Add Y520-15IKBN to no_hw_rfkill
  platform/x86: silead_dmi: Add touchscreen info for PoV mobii wintab p800w
  platform/x86: silead_dmi: Add touchscreen info for Pipo W2S tablet
  ...
2017-07-06 15:33:27 -07:00
Amelie Delaunay
d2be279bcd dt-bindings: rtc: stm32: add support for STM32H7
This patch documents support for STM32H7 Real Time Clock.
It introduces a new compatible and rework clock definitions.
On STM32H7 we have a 'pclk' clock for register access, in addition to
the 'rtc_ck' clock.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-07-06 22:52:52 +02:00
Linus Walleij
7f1e988dff rtc: gemini: Augment DT bindings for Faraday
The Gemini RTC is actually a standard IP block from Faraday
Technology called FTRTC010. Rename the bindings, add the
generic compatible string and add definitions for the two
available clocks.

Cc: devicetree@vger.kernel.org
Cc: Po-Yu Chuang <ratbert@faraday-tech.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-07-06 22:37:15 +02:00
Linus Torvalds
9031114841 SCSI misc on 20170704
This is mostly updates of the usual suspects: lpfc, qla2xxx, bnx2fc,
 qedf, hpsa, hisi_sas, smartpqi, cxlflash, aacraid, csiostor along with
 a host of minor and miscellaneous changes.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly updates of the usual suspects: lpfc, qla2xxx, bnx2fc,
  qedf, hpsa, hisi_sas, smartpqi, cxlflash, aacraid, csiostor along with
  a host of minor and miscellaneous changes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (276 commits)
  qla2xxx: Fix NVMe entry_type for iocb packet on BE system
  scsi: qla2xxx: avoid unused-function warning
  scsi: snic: fix a couple of spelling mistakes/typos
  scsi: qla2xxx: fix a bunch of typos and spelling mistakes
  scsi: lpfc: don't double count abort errors
  scsi: lpfc: spin_lock_irq() is not nestable
  scsi: hisi_sas: optimise DMA slot memory
  scsi: ibmvfc: constify dev_pm_ops structures.
  scsi: ibmvscsi: constify dev_pm_ops structures.
  scsi: cxlflash: Update debug prints in reset handlers
  scsi: cxlflash: Update send_tmf() parameters
  scsi: cxlflash: Avoid double free of character device
  scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state
  scsi: ses: do not add a device to an enclosure if enclosure_add_links() fails.
  scsi: ufs: flush eh_work when eh_work scheduled.
  scsi: qla2xxx: Protect access to qpair members with qpair->qp_lock
  scsi: sun_esp: fix device reference leaks
  scsi: fnic: changing queue command to return result DID_IMM_RETRY when rport is init
  scsi: fnic: correct speed display and add support for 25,40 and 100G
  scsi: fnic: added timestamp reporting in fnic debug stats
  ...
2017-07-06 12:10:33 -07:00
Linus Torvalds
3a564bb3a8 - Add the ability to use select or poll /dev/mapper/control to wait for
events from multiple DM devices.
 
 - Convert DM's printk macros over to using pr_<level> macros.
 
 - Add a big-endian variant of plain64 IV to dm-crypt.
 
 - Add support for zoned (aka SMR) devices to DM core.  DM kcopyd was
   also improved to provide a sequential write feature needed by zoned
   devices.
 
 - Introduce DM zoned target that provides support for host-managed zoned
   devices, the result dm-zoned device acts as a drive-managed interface
   to the underlying host-managed device.
 
 - A DM raid fix to avoid using BUG() for error handling.
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Merge tag 'for-4.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Add the ability to use select or poll /dev/mapper/control to wait for
   events from multiple DM devices.

 - Convert DM's printk macros over to using pr_<level> macros.

 - Add a big-endian variant of plain64 IV to dm-crypt.

 - Add support for zoned (aka SMR) devices to DM core. DM kcopyd was
   also improved to provide a sequential write feature needed by zoned
   devices.

 - Introduce DM zoned target that provides support for host-managed
   zoned devices, the result dm-zoned device acts as a drive-managed
   interface to the underlying host-managed device.

 - A DM raid fix to avoid using BUG() for error handling.

* tag 'for-4.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm zoned: fix overflow when converting zone ID to sectors
  dm raid: stop using BUG() in __rdev_sectors()
  dm zoned: drive-managed zoned block device target
  dm kcopyd: add sequential write feature
  dm linear: add support for zoned block devices
  dm flakey: add support for zoned block devices
  dm: introduce dm_remap_zone_report()
  dm: fix REQ_OP_ZONE_REPORT bio handling
  dm: fix REQ_OP_ZONE_RESET bio handling
  dm table: add zoned block devices validation
  dm: convert DM printk macros to pr_<level> macros
  dm crypt: add big-endian variant of plain64 IV
  dm bio prison: use rb_entry() rather than container_of()
  dm ioctl: report event number in DM_LIST_DEVICES
  dm ioctl: add a new DM_DEV_ARM_POLL ioctl
  dm: add basic support for using the select or poll function
2017-07-06 11:54:56 -07:00
Linus Torvalds
ac7b75966c This is the big bulk of pin control changes for the v4.13 series:
Core:
 
 - The documentation is moved over to RST.
 - We now have agreed bindings for enabling input and output
   buffers without actually enabling input and/or output on a
   pin. We are chiseling out some details of pin control
   electronics.
 
 New drivers:
 
 - ZTE ZX
 - Renesas RZA1
 - MIPS Ingenic JZ47xx: also switch over existing drivers in the
   tree to use this pin controller and consolidate earlier
   spread out code.
 - Microschip MCP23S08: this driver is migrated from the GPIO
   subsystem and totally rewritten to use proper pin control.
   All users are switched over.
 
 New subdrivers:
 
 - Renesas R8A7743 and R8A7745.
 - Allwinner Sunxi A83T R_PIO.
 - Marvell MVEBU Armada CP110 and AP806.
 - Intel Cannon Lake PCH.
 - Qualcomm IPQ8074.
 
 Notable improvements:
 
 - IRQ support on the Marvell MVEBU Armada 37xx.
 - Meson driver supports HDMI CEC, AO, I2S, SPDIF and PWM.
 - Rockchip driver now supports iomux-route switching for
   RK3228, RK3328 and RK3399.
 - Rockchip A10 and A20 are merged into a single driver.
 - STM32 has improved GPIO support.
 - Samsung Exynos drivers are split per ARMv7 and ARMv8.
 - Marvell MVEBU is converted to use regmap for register
   access.
 
 Maintenance:
 
 - Several Renesas SH-PFC refactorings and updates.
 - Serious code size cut for Mediatek MT7623.
 - Misc janitorial and MAINTAINERS fixes.
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Merge tag 'pinctrl-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the big bulk of pin control changes for the v4.13 series:

  Core:
   - The documentation is moved over to RST.
   - We now have agreed bindings for enabling input and output buffers
     without actually enabling input and/or output on a pin. We are
     chiseling out some details of pin control electronics.

  New drivers:
   - ZTE ZX
   - Renesas RZA1
   - MIPS Ingenic JZ47xx: also switch over existing drivers in the tree
     to use this pin controller and consolidate earlier spread out code.
   - Microschip MCP23S08: this driver is migrated from the GPIO
     subsystem and totally rewritten to use proper pin control. All
     users are switched over.

  New subdrivers:
   - Renesas R8A7743 and R8A7745.
   - Allwinner Sunxi A83T R_PIO.
   - Marvell MVEBU Armada CP110 and AP806.
   - Intel Cannon Lake PCH.
   - Qualcomm IPQ8074.

  Notable improvements:
   - IRQ support on the Marvell MVEBU Armada 37xx.
   - Meson driver supports HDMI CEC, AO, I2S, SPDIF and PWM.
   - Rockchip driver now supports iomux-route switching for RK3228,
     RK3328 and RK3399.
   - Rockchip A10 and A20 are merged into a single driver.
   - STM32 has improved GPIO support.
   - Samsung Exynos drivers are split per ARMv7 and ARMv8.
   - Marvell MVEBU is converted to use regmap for register access.

  Maintenance:
   - Several Renesas SH-PFC refactorings and updates.
   - Serious code size cut for Mediatek MT7623.
   - Misc janitorial and MAINTAINERS fixes"

* tag 'pinctrl-v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (137 commits)
  pinctrl: samsung: Remove bogus irq_[un]mask from resource management
  pinctrl: rza1: make structures rza1_gpiochip_template and rza1_pinmux_ops static
  pinctrl: rza1: Remove unneeded wrong check for wrong variable
  pinctrl: qcom: Add ipq8074 pinctrl driver
  pinctrl: freescale: imx7d: make of_device_ids const.
  pinctrl: DT: extend the pinmux property to support integers array
  pinctrl: generic: Add output-enable property
  pinctrl: armada-37xx: Fix number of pin in sdio_sb
  pinctrl: armada-37xx: Fix uart2 group selection register mask
  pinctrl: bcm2835: Avoid warning from __irq_do_set_handler
  pinctrl: sh-pfc: r8a7795: Add PWM support
  MAINTAINERS: Add Qualcomm pinctrl drivers section
  arm: dts: dt-bindings: Add Renesas RZ/A1 pinctrl header
  dt-bindings: pinctrl: Add RZ/A1 bindings doc
  pinctrl: Renesas RZ/A1 pin and gpio controller
  pinctrl: sh-pfc: r8a7792: Add SCIF1 and SCIF2 pin groups
  pinctrl.txt: move it to the driver-api book
  pinctrl: ingenic: checking for NULL instead of IS_ERR()
  pinctrl: uniphier: fix WARN_ON() of pingroups dump on LD20
  pinctrl: uniphier: fix WARN_ON() of pingroups dump on LD11
  ...
2017-07-06 11:38:59 -07:00
Linus Torvalds
4f5dfdd290 LED updates for 4.13
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Merge tag 'leds_for_4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "This time we're removing more than adding:

  Removed drivers:

    leds-versatile:
      - all users of the Versatile LED driver are deleted and replaced
        with the very generic leds-syscon

    leds-sead3:
      - SEAD3 is using the generic leds-syscon & regmap based
        register-bit-led driver

  LED class drivers improvements:

    ledtrig-gpio:
      - use threaded IRQ, which both simplifies the code because we can
        drop the workqueue indirection, and it enables using the trigger
        for GPIOs that work with threaded IRQs themselves
      - refresh LED state after GPIO change since the new GPIO may have
        a different state than the old one

    leds-lp55xx:
      - make various arrays static const

    leds-pca963x:
      - add bindings to invert polarity"

* tag 'leds_for_4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: lp55xx: make various arrays static const
  leds: Remove SEAD-3 driver
  leds: trigger: gpio: Use threaded IRQ
  leds: trigger: gpio: Refresh LED state after GPIO change
  leds: Delete obsolete Versatile driver
  leds: pca963x: Add bindings to invert polarity
2017-07-06 11:32:40 -07:00
Linus Torvalds
0b49ce5a40 media updates for v4.13-rc1
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Merge tag 'media/v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - addition of fwnode support at V4L2 core

 - addition of a few more SDR formats

 - new imx driver to support i.MX6 cameras

 - new driver for Qualcon venus codecs

 - new I2C sensor drivers: dw9714, max2175, ov13858, ov5640

 - new CEC driver: stm32-cec

 - some improvements to DVB frontend documentation and a few fixups

 - several driver improvements and fixups

* tag 'media/v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (361 commits)
  [media] media: entity: Catch unbalanced media_pipeline_stop calls
  [media] media/uapi/v4l: clarify cropcap/crop/selection behavior
  [media] v4l2-ioctl/exynos: fix G/S_SELECTION's type handling
  [media] vimc: sen: Declare vimc_sen_video_ops as static
  [media] vimc: sca: Add scaler
  [media] vimc: deb: Add debayer filter
  [media] vimc: Subdevices as modules
  [media] vimc: cap: Support several image formats
  [media] vimc: sen: Support several image formats
  [media] vimc: common: Add vimc_colorimetry_clamp
  [media] vimc: common: Add vimc_link_validate
  [media] vimc: common: Add vimc_pipeline_s_stream helper
  [media] vimc: common: Add vimc_ent_sd_* helper
  [media] vimc: Move common code from the core
  [media] vimc: sen: Integrate the tpg on the sensor
  [media] media: i2c: ov772x: Force use of SCCB protocol
  [media] dvb uapi docs: enums are passed by value, not reference
  [media] dvb: don't use 'time_t' in event ioctl
  [media] media: venus: enable building with COMPILE_TEST
  [media] af9013: refactor power control
  ...
2017-07-06 11:15:19 -07:00
Linus Torvalds
920f2ecdf6 sound updates for 4.13-rc1
This development cycle resulted in a fair amount of changes in both
 core and driver sides.  The most significant change in ALSA core is
 about PCM.  Also the support of of-graph card and the new DAPM widget
 for DSP are noteworthy changes in ASoC core.  And there're lots of
 small changes splat over the tree, as you can see in diffstat.
 
 Below are a few highlights:
 
 ALSA core:
 - Removal of set_fs() hackery from PCM core stuff, and the code
   reorganization / optimization thereafter
 - Improved support of PCM ack ops, and a new ABI for improved
   control/status mmap handling
 - Lots of constifications in various codes
 
 ASoC core:
 - The support of of-graph card, which may work as a better generic
   device for a replacement of simple-card
 - New widget types intended mainly for use with DSPs
 
 ASoC drivers:
 - New drivers for Allwinner V3s SoCs
 - Ensonic ES8316 codec support
 - More Intel SKL and KBL works
 - More device support for Intel SST Atom (mostly for cheap tablets and
   2-in-1 devices)
 - Support for Rockchip PDM controllers
 - Support for STM32 I2S and S/PDIF controllers
 - Support for ZTE AUD96P22 codecs
 
 HD-audio:
 - Support of new Realtek codecs (ALC215/ALC285/ALC289), more quirks
   for HP and Dell machines
 - A few more fixes for i915 component binding
 
 Note that of-graph change may bring the conflicts with a later pull
 request of devicetree, as currently found in linux-next.
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Merge tag 'sound-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This development cycle resulted in a fair amount of changes in both
  core and driver sides. The most significant change in ALSA core is
  about PCM. Also the support of of-graph card and the new DAPM widget
  for DSP are noteworthy changes in ASoC core. And there're lots of
  small changes splat over the tree, as you can see in diffstat.

  Below are a few highlights:

  ALSA core:
   - Removal of set_fs() hackery from PCM core stuff, and the code
     reorganization / optimization thereafter
   - Improved support of PCM ack ops, and a new ABI for improved
     control/status mmap handling
   - Lots of constifications in various codes

  ASoC core:
   - The support of of-graph card, which may work as a better generic
     device for a replacement of simple-card
   - New widget types intended mainly for use with DSPs

  ASoC drivers:
   - New drivers for Allwinner V3s SoCs
   - Ensonic ES8316 codec support
   - More Intel SKL and KBL works
   - More device support for Intel SST Atom (mostly for cheap tablets
     and 2-in-1 devices)
   - Support for Rockchip PDM controllers
   - Support for STM32 I2S and S/PDIF controllers
   - Support for ZTE AUD96P22 codecs

  HD-audio:
   - Support of new Realtek codecs (ALC215/ALC285/ALC289), more quirks
     for HP and Dell machines
   - A few more fixes for i915 component binding"

* tag 'sound-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (418 commits)
  ALSA: hda - Fix unbalance of i915 module refcount
  ASoC: Intel: Skylake: Remove driver debugfs exit
  ASoC: Intel: Skylake: explicitly add the headers sst-dsp.h
  ALSA: hda/realtek - Remove GPIO_MASK
  ALSA: hda/realtek - Fix typo of pincfg for Dell quirk
  ALSA: pcm: add a documentation for tracepoints
  ALSA: atmel: ac97c: fix error return code in atmel_ac97c_probe()
  ALSA: x86: fix error return code in hdmi_lpe_audio_probe()
  ASoC: Intel: Skylake: Add support to read firmware registers
  ASoC: Intel: Skylake: Add sram address to sst_addr structure
  ASoC: Intel: Skylake: Debugfs facility to dump module config
  ASoC: Intel: Skylake: Add debugfs support
  ASoC: fix semicolon.cocci warnings
  ASoC: rt5645: Add quirk override by module option
  ASoC: rsnd: make arrays path and cmd_case static const
  ASoC: audio-graph-card: add widgets and routing for external amplifier support
  ASoC: audio-graph-card: update bindings for amplifier support
  ASoC: rt5665: calibration should be done before jack detection
  ASoC: rsnd: constify dev_pm_ops structures.
  ASoC: nau8825: change crosstalk-bypass property to bool type
  ...
2017-07-06 10:56:51 -07:00
Linus Torvalds
9ced560b82 Merge branch 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo:

 - Waiman made the debug controller work and a lot more useful on
   cgroup2

 - There were a couple issues with cgroup subtree delegation. The
   documentation on delegating to a non-root user was missing some part
   and cgroup namespace support wasn't factoring in delegation at all.
   The documentation is updated and the now there is a mount option to
   make cgroup namespace fit for delegation

* 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: implement "nsdelegate" mount option
  cgroup: restructure cgroup_procs_write_permission()
  cgroup: "cgroup.subtree_control" should be writeable by delegatee
  cgroup: fix lockdep warning in debug controller
  cgroup: refactor cgroup_masks_read() in the debug controller
  cgroup: make debug an implicit controller on cgroup2
  cgroup: Make debug cgroup support v2 and thread mode
  cgroup: Make Kconfig prompt of debug cgroup more accurate
  cgroup: Move debug cgroup to its own file
  cgroup: Keep accurate count of tasks in each css_set
2017-07-06 09:52:09 -07:00
Linus Torvalds
109a5db504 Merge branch 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:

 - Christoph added support for TCG OPAL self encrypting disks

 - Minwoo added support for ATA PASS-THROUGH(32)

 - Linus Walleij removed spurious drvdata assignments in some drivers

 - Support for a few new device and other fixes

* 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (33 commits)
  sd: add support for TCG OPAL self encrypting disks
  libata: fix build warning from unused goto label
  libata: Support for an ATA PASS-THROUGH(32) command.
  ahci: Add Device ID for ASMedia 1061R and 1062R
  sata_via: Enable optional hotplug on VT6420
  ata: ahci_brcm: Avoid writing to read-only registers
  libata: Add the AHCI_HFLAG_NO_WRITE_TO_RO flag
  libata: Add the AHCI_HFLAG_YES_ALPM flag
  ata: ftide010: fix resource printing
  libata: make the function name in comment match the actual function
  ata: sata_rcar: make of_device_ids const.
  ata: pata_octeon_cf: make of_device_ids const.
  libata: Convert bare printks to pr_cont
  libahci: wrong comments in ahci_do_softreset()
  ata: declare ata_port_info structures as const
  ata: Add driver for Faraday Technology FTIDE010
  ata: Add DT bindings for the Gemini SATA bridge
  ata: Add DT bindings for Faraday Technology FTIDE010
  libata: implement SECURITY PROTOCOL IN/OUT
  libata: factor out a ata_identify_page_supported helper
  ...
2017-07-06 09:41:58 -07:00
Serge Semin
cdcca896ae NTB: Add new Memory Windows API documentation
Since the new API slightly changes the way a typical NTB client driver
works, the documentation file needs to be appropriately updated.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-07-06 11:30:07 -04:00
Thierry Reding
72f2ebbdf4 Merge branch 'for-4.13/dt' into for-next 2017-07-06 17:16:46 +02:00
Jeff Layton
acbf3c3452 Documentation: flesh out the section in vfs.txt on storing and reporting writeback errors
Let's try to make this extra clear for fs authors.

Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
2017-07-06 07:02:27 -04:00
Jerome Brunet
8517bb1f19 dt-bindings: pwm: meson: Add compatible for gxbb ao PWMs
Add compatible string to properly handle the PWMs found in the AO domain
of the gxbb (and gxl) family.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-07-06 11:28:09 +02:00
Keerthy
1e3496000c mfd: Add LP87565 PMIC support
The LP87565 chip is a power management IC for Portable Navigation Systems
and Tablet Computing devices. It contains the following components:

        - Configurable Bucks(Single and multi-phase).
        - Configurable General Purpose Output Signals (GPO).

The LP87565-Q1 variant device uses two 2-phase outputs configuration,
Buck0 is master for Buck0/1 output and Buck2 is master for Buck2/3
output.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:13 +01:00
Olimpiu Dejeu
91ab076e3a dt-bindings: vendor-prefixes: Add arctic to vendor prefix
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Jingoo Han <jingoohan1@gmail.com>
Signed-off-by: Olimpiu Dejeu <olimpiu@arcticsand.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:13 +01:00
Charles Keepax
7a456cba37 mfd: arizona: Update GPIO binding for newly supported specifiers
Link to the generic GPIO specifier bindings now that the second cell of
the binding has some support in the driver.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-07-06 08:29:11 +01:00
Mauro Carvalho Chehab
c571123c8a pwm: Standardize document format
Each text file under Documentation follows a different format. Some
don't even have titles!

Change its representation to follow the adopted standard, using ReST
markup for it to be parseable by Sphinx:

- mark document title;
- mark literal blocks;
- better format the parameters.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-07-06 08:23:30 +02:00
Fabrice GASNIER
d7f673d8a0 dt-bindings: pwm: Update STM32 timers clock names
Clock name has been updated during driver/DT binding review:
https://lkml.org/lkml/2016/12/13/718
Update DT binding doc to reflect this.

Fixes: cd9a99c2f8 (dt-bindings: pwm: Add STM32 bindings)
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-07-06 07:48:43 +02:00
Ulrich Hecht
df8f4c6c02 dt-bindings: pwm: Add R-Car M3-W device tree bindings
Add device tree bindings for the PWM controller found on R-Car M3-W SoCs.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2017-07-06 07:41:01 +02:00
Linus Torvalds
5518b69b76 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Reasonably busy this cycle, but perhaps not as busy as in the 4.12
  merge window:

   1) Several optimizations for UDP processing under high load from
      Paolo Abeni.

   2) Support pacing internally in TCP when using the sch_fq packet
      scheduler for this is not practical. From Eric Dumazet.

   3) Support mutliple filter chains per qdisc, from Jiri Pirko.

   4) Move to 1ms TCP timestamp clock, from Eric Dumazet.

   5) Add batch dequeueing to vhost_net, from Jason Wang.

   6) Flesh out more completely SCTP checksum offload support, from
      Davide Caratti.

   7) More plumbing of extended netlink ACKs, from David Ahern, Pablo
      Neira Ayuso, and Matthias Schiffer.

   8) Add devlink support to nfp driver, from Simon Horman.

   9) Add RTM_F_FIB_MATCH flag to RTM_GETROUTE queries, from Roopa
      Prabhu.

  10) Add stack depth tracking to BPF verifier and use this information
      in the various eBPF JITs. From Alexei Starovoitov.

  11) Support XDP on qed device VFs, from Yuval Mintz.

  12) Introduce BPF PROG ID for better introspection of installed BPF
      programs. From Martin KaFai Lau.

  13) Add bpf_set_hash helper for TC bpf programs, from Daniel Borkmann.

  14) For loads, allow narrower accesses in bpf verifier checking, from
      Yonghong Song.

  15) Support MIPS in the BPF selftests and samples infrastructure, the
      MIPS eBPF JIT will be merged in via the MIPS GIT tree. From David
      Daney.

  16) Support kernel based TLS, from Dave Watson and others.

  17) Remove completely DST garbage collection, from Wei Wang.

  18) Allow installing TCP MD5 rules using prefixes, from Ivan
      Delalande.

  19) Add XDP support to Intel i40e driver, from Björn Töpel

  20) Add support for TC flower offload in nfp driver, from Simon
      Horman, Pieter Jansen van Vuuren, Benjamin LaHaise, Jakub
      Kicinski, and Bert van Leeuwen.

  21) IPSEC offloading support in mlx5, from Ilan Tayari.

  22) Add HW PTP support to macb driver, from Rafal Ozieblo.

  23) Networking refcount_t conversions, From Elena Reshetova.

  24) Add sock_ops support to BPF, from Lawrence Brako. This is useful
      for tuning the TCP sockopt settings of a group of applications,
      currently via CGROUPs"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1899 commits)
  net: phy: dp83867: add workaround for incorrect RX_CTRL pin strap
  dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap
  cxgb4: Support for get_ts_info ethtool method
  cxgb4: Add PTP Hardware Clock (PHC) support
  cxgb4: time stamping interface for PTP
  nfp: default to chained metadata prepend format
  nfp: remove legacy MAC address lookup
  nfp: improve order of interfaces in breakout mode
  net: macb: remove extraneous return when MACB_EXT_DESC is defined
  bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
  bpf: fix return in load_bpf_file
  mpls: fix rtm policy in mpls_getroute
  net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_route.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_t
  net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_t
  ...
2017-07-05 12:31:59 -07:00
Linus Torvalds
8ad06e56dc Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "Algorithms:
   - add private key generation to ecdh

  Drivers:
   - add generic gcm(aes) to aesni-intel
   - add SafeXcel EIP197 crypto engine driver
   - add ecb(aes), cfb(aes) and ecb(des3_ede) to cavium
   - add support for CNN55XX adapters in cavium
   - add ctr mode to chcr
   - add support for gcm(aes) to omap"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (140 commits)
  crypto: testmgr - Reenable sha1/aes in FIPS mode
  crypto: ccp - Release locks before returning
  crypto: cavium/nitrox - dma_mapping_error() returns bool
  crypto: doc - fix typo in docs
  Documentation/bindings: Document the SafeXel cryptographic engine driver
  crypto: caam - fix gfp allocation flags (part II)
  crypto: caam - fix gfp allocation flags (part I)
  crypto: drbg - Fixes panic in wait_for_completion call
  crypto: caam - make of_device_ids const.
  crypto: vmx - remove unnecessary check
  crypto: n2 - make of_device_ids const
  crypto: inside-secure - use the base_end pointer in ring rollback
  crypto: inside-secure - increase the batch size
  crypto: inside-secure - only dequeue when needed
  crypto: inside-secure - get the backlog before dequeueing the request
  crypto: inside-secure - stop requeueing failed requests
  crypto: inside-secure - use one queue per hw ring
  crypto: inside-secure - update the context and request later
  crypto: inside-secure - align the cipher and hash send functions
  crypto: inside-secure - optimize DSE bufferability control
  ...
2017-07-05 12:22:23 -07:00
Linus Torvalds
59005b0c59 GCC plugin updates:
- typo fix in Kconfig (Jean Delvare)
 - randstruct infrastructure
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Merge tag 'gcc-plugins-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull GCC plugin updates from Kees Cook:
 "The big part is the randstruct plugin infrastructure.

  This is the first of two expected pull requests for randstruct since
  there are dependencies in other trees that would be easier to merge
  once those have landed. Notably, the IPC allocation refactoring in
  -mm, and many trivial merge conflicts across several trees when
  applying the __randomize_layout annotation.

  As a result, it seemed like I should send this now since it is
  relatively self-contained, and once the rest of the trees have landed,
  send the annotation patches. I'm expecting the final phase of
  randstruct (automatic struct selection) will land for v4.14, but if
  its other tree dependencies actually make it for v4.13, I can send
  that merge request too.

  Summary:

  - typo fix in Kconfig (Jean Delvare)

  - randstruct infrastructure"

* tag 'gcc-plugins-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  ARM: Prepare for randomized task_struct
  randstruct: Whitelist NIU struct page overloading
  randstruct: Whitelist big_key path struct overloading
  randstruct: Whitelist UNIXCB cast
  randstruct: Whitelist struct security_hook_heads cast
  gcc-plugins: Add the randstruct plugin
  Fix English in description of GCC_PLUGIN_STRUCTLEAK
  compiler: Add __designated_init annotation
  gcc-plugins: Detail c-common.h location for GCC 4.6
2017-07-05 11:46:59 -07:00
Linus Torvalds
e24dd9ee53 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security layer updates from James Morris:

 - a major update for AppArmor. From JJ:

     * several bug fixes and cleanups

     * the patch to add symlink support to securityfs that was floated
       on the list earlier and the apparmorfs changes that make use of
       securityfs symlinks

     * it introduces the domain labeling base code that Ubuntu has been
       carrying for several years, with several cleanups applied. And it
       converts the current mediation over to using the domain labeling
       base, which brings domain stacking support with it. This finally
       will bring the base upstream code in line with Ubuntu and provide
       a base to upstream the new feature work that Ubuntu carries.

     * This does _not_ contain any of the newer apparmor mediation
       features/controls (mount, signals, network, keys, ...) that
       Ubuntu is currently carrying, all of which will be RFC'd on top
       of this.

 - Notable also is the Infiniband work in SELinux, and the new file:map
   permission. From Paul:

      "While we're down to 21 patches for v4.13 (it was 31 for v4.12),
       the diffstat jumps up tremendously with over 2k of line changes.

       Almost all of these changes are the SELinux/IB work done by
       Daniel Jurgens; some other noteworthy changes include a NFS v4.2
       labeling fix, a new file:map permission, and reporting of policy
       capabilities on policy load"

   There's also now genfscon labeling support for tracefs, which was
   lost in v4.1 with the separation from debugfs.

 - Smack incorporates a safer socket check in file_receive, and adds a
   cap_capable call in privilege check.

 - TPM as usual has a bunch of fixes and enhancements.

 - Multiple calls to security_add_hooks() can now be made for the same
   LSM, to allow LSMs to have hook declarations across multiple files.

 - IMA now supports different "ima_appraise=" modes (eg. log, fix) from
   the boot command line.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (126 commits)
  apparmor: put back designators in struct initialisers
  seccomp: Switch from atomic_t to recount_t
  seccomp: Adjust selftests to avoid double-join
  seccomp: Clean up core dump logic
  IMA: update IMA policy documentation to include pcr= option
  ima: Log the same audit cause whenever a file has no signature
  ima: Simplify policy_func_show.
  integrity: Small code improvements
  ima: fix get_binary_runtime_size()
  ima: use ima_parse_buf() to parse template data
  ima: use ima_parse_buf() to parse measurements headers
  ima: introduce ima_parse_buf()
  ima: Add cgroups2 to the defaults list
  ima: use memdup_user_nul
  ima: fix up #endif comments
  IMA: Correct Kconfig dependencies for hash selection
  ima: define is_ima_appraise_enabled()
  ima: define Kconfig IMA_APPRAISE_BOOTPARAM option
  ima: define a set of appraisal rules requiring file signatures
  ima: extend the "ima_policy" boot command line to support multiple policies
  ...
2017-07-05 11:26:35 -07:00
Murali Karicheri
908a773325 dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap
The data manual for DP83867IR/CR, SNLS484E[1], revised march 2017,
advises that strapping RX_DV/RX_CTRL pin in mode 1 and 2 is not
supported (see note below Table 5 (4-Level Strap Pins)).

It further advises that if a board has this pin strapped in mode 1 and
mode 2, then to ensure proper operation of the PHY, a software workaround
must be implemented.

Since it is not possible to detect in software if RX_DV/RX_CTRL pin is
incorrectly strapped, add a device-tree property for the board to
advertise this and allow corrective action in software.

[1] http://www.ti.com/lit/ds/snls484e/snls484e.pdf

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
[nsekhar@ti.com: rebase to mainline, split documentation into separate patch]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-05 09:23:53 +01:00
Kees Cook
d1185a8c5d Merge branch 'merge/randstruct' into for-next/gcc-plugins 2017-07-04 21:41:31 -07:00
Linus Torvalds
a9ceea2674 ARM: 64-bit DT updates
Device-tree updates for arm64 platforms. For the first time I can
 remember, this is actually larger than the corresponding branch for
 32-bit platforms overall, though that has more individual changes.
 
 A significant portion this time is due to added machine support:
 
 - Initial support for the Realtek RTD1295 SoC, along with the Zidoo
   X9S set-top-box
 
 - Initial support for Actions Semi S900 and the Bubblegum-96
   single-board-cёmputer.
 
 - Rockchips support for the rk3399-Firefly single-board-computer
   gets added, this one stands out for being relatively fast,
   affordable and well₋supported, compared to many boards that
   only fall into one or two of the above categories.
 
 - Mediatek gains support for the mt6797 mobile-phone SoC platform
   and corresponding evaluation board.
 
 - Amlogic board support gets added for the NanoPi K2 and S905x
   LibreTech CC single-board computers and the R-Box Pro set-top-box
 
 - Allwinner board support gets added for the OrangePi Win,
   Orangepi Zero Plus 2, NanoPi NEO2 and Orange Pi Prime single
   board computers and the SoPine system-on-module.
 
 - Renesas board support for Salvator-XS and H3ULCB
   automotive development systems.
 
 - Socionext Uniphier board support for LD11-global and LD20-global,
   whatever those may be.
 
 - Broadcom adds support for the new Stingray communication processor
   in its iProc family, along with two reference boards.
 
 Other updates include:
 
 - For the hisicon platform, support for Hi3660-Hikey960 gets
   extended significantly.
 
 - Lots of smaller updates for Renesas, Amlogic, Rockchip, UniPhier,
   Broadcom, Allwinner, Hisilicon, Qualcomm, Marvell, and NXP.
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM 64-bit DT updates from Arnd Bergmann:
 "Device-tree updates for arm64 platforms. For the first time I can
  remember, this is actually larger than the corresponding branch for
  32-bit platforms overall, though that has more individual changes.

  A significant portion this time is due to added machine support:

   - Initial support for the Realtek RTD1295 SoC, along with the Zidoo
     X9S set-top-box

   - Initial support for Actions Semi S900 and the Bubblegum-96
     single-board-cёmputer.

   - Rockchips support for the rk3399-Firefly single-board-computer gets
     added, this one stands out for being relatively fast, affordable
     and well₋supported, compared to many boards that only fall into one
     or two of the above categories.

   - Mediatek gains support for the mt6797 mobile-phone SoC platform and
     corresponding evaluation board.

   - Amlogic board support gets added for the NanoPi K2 and S905x
     LibreTech CC single-board computers and the R-Box Pro set-top-box

   - Allwinner board support gets added for the OrangePi Win, Orangepi
     Zero Plus 2, NanoPi NEO2 and Orange Pi Prime single board computers
     and the SoPine system-on-module.

   - Renesas board support for Salvator-XS and H3ULCB automotive
     development systems.

   - Socionext Uniphier board support for LD11-global and LD20-global,
     whatever those may be.

   - Broadcom adds support for the new Stingray communication processor
     in its iProc family, along with two reference boards.

  Other updates include:

   - For the hisicon platform, support for Hi3660-Hikey960 gets extended
     significantly.

   - Lots of smaller updates for Renesas, Amlogic, Rockchip, UniPhier,
     Broadcom, Allwinner, Hisilicon, Qualcomm, Marvell, and NXP"

* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (243 commits)
  ARM64: dts: marvell: armada37xx: Fix timer interrupt specifiers
  Revert "arm64: dts: marvell: add dma-mask in crypto nodes for 7k/8k"
  arm64: dts: mediatek: don't include missing file
  ARM64: dts: meson-gxl: Add Libre Technology CC support
  dt-bindings: arm: amlogic: Add Libre Technology CC board
  dt-bindings: add Libre Technology vendor prefix
  arm64: dts: marvell: enable GICP and ICU on Armada 7K/8K
  arm64: dts: zte: Use - instead of @ for DT OPP entries
  arm64: dts: marvell: add gpio support for Armada 7K/8K
  arm64: dts: marvell: add pinctrl support for Armada 7K/8K
  arm64: dts: marvell: use new binding for the system controller on cp110
  arm64: dts: marvell: remove *-clock-output-names on cp110
  arm64: dts: marvell: use new bindings for xor clocks on ap806
  arm64: dts: marvell: mcbin: enable the mdio node
  arm64: dts: Add Actions Semi S900 and Bubblegum-96
  dt-bindings: Add vendor prefix for uCRobotics
  arm64: dts: marvell: add xmdio nodes for 7k/8k
  arm64: dts: marvell: add a comment on the cp110 slave node status
  arm64: dts: marvell: remove cpm crypto nodes from dts files
  arm64: dts: marvell: cp110: enable the crypto engine at the SoC level
  ...
2017-07-04 14:50:59 -07:00
Linus Torvalds
e854711291 ARM: SoC driver updates
- New SoC specific drivers
   - NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
     based on the "BPMP" firmware
   - Clocksource and system controller drivers for the newly added
     Action Semi platforms (both arm and arm64).
 
 - Reset subsystem, merged through arm-soc by tradition:
   - New drivers for Altera Stratix10, TI Keystone and Cortina Gemini SoCs
   - Various subsystem-wide cleanups
 
 - Updates for existing SoC-specific drivers
   - TI GPMC (General Purpose Memory Controller)
   - Mediatek "scpsys" system controller support for MT6797
   - Broadcom "brcmstb_gisb" bus arbitrer
   - ARM SCPI firmware
   - Renesas "SYSC" system controller
 
 One more driver update was submitted for the Freescale/NXP DPAA
 data path acceleration that has previously been used on PowerPC
 chips. I ended up postponing the merge until some API questions
 for its unusual MMIO access are resolved.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "New SoC specific drivers:

   - NVIDIA Tegra PM Domain support for newer SoCs (Tegra186 and later)
     based on the "BPMP" firmware

   - Clocksource and system controller drivers for the newly added
     Action Semi platforms (both arm and arm64).

  Reset subsystem, merged through arm-soc by tradition:

   - New drivers for Altera Stratix10, TI Keystone and Cortina Gemini
     SoCs

   - Various subsystem-wide cleanups

  Updates for existing SoC-specific drivers

   - TI GPMC (General Purpose Memory Controller)

   - Mediatek "scpsys" system controller support for MT6797

   - Broadcom "brcmstb_gisb" bus arbitrer

   - ARM SCPI firmware

   - Renesas "SYSC" system controller

  One more driver update was submitted for the Freescale/NXP DPAA data
  path acceleration that has previously been used on PowerPC chips. I
  ended up postponing the merge until some API questions for its unusual
  MMIO access are resolved"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
  clocksource: owl: Add S900 support
  clocksource: Add Owl timer
  soc: renesas: rcar-sysc: Use GENPD_FLAG_ALWAYS_ON
  firmware: tegra: Fix locking bugs in BPMP
  soc/tegra: flowctrl: Fix error handling
  soc/tegra: bpmp: Implement generic PM domains
  soc/tegra: bpmp: Update ABI header
  PM / Domains: Allow overriding the ->xlate() callback
  soc: brcmstb: enable drivers for ARM64 and BMIPS
  soc: renesas: Rework Kconfig and Makefile logic
  reset: Add the TI SCI reset driver
  dt-bindings: reset: Add TI SCI reset binding
  reset: use kref for reference counting
  soc: qcom: smsm: Improve error handling, quiesce probe deferral
  cpufreq: scpi: use new scpi_ops functions to remove duplicate code
  firmware: arm_scpi: add support to populate OPPs and get transition latency
  dt-bindings: reset: Add reset manager offsets for Stratix10
  memory: omap-gpmc: add error message if bank-width property is absent
  memory: omap-gpmc: make dts snippet include semicolon
  reset: Add a Gemini reset controller
  ...
2017-07-04 14:47:47 -07:00
Linus Torvalds
1849f800fb ARM: Device-tree updates
Device-tree continues to see lots of updates. The majority of patches
 here are smaller changes for new hardware on existing platforms, and
 there are a few larger changes worth pointing out.
 
 New machines:
 
 - The new Action Semi S500 platform is added along with initial
   support for the LeMaker Guitar board.
 
 - STM32 gains support for three new boards: stm32h743-disco,
   stm32f746-disco, and stm32f769-disco, along with new device
   support for the existing stm32f429 boards.
 
 - Renesas adds two new boards, the tiny GR-Peach based on RZ/A1H
   with 10MB on-chip SRAM, and the iWave G20D-Q7 System-on-Module
   plus board.
 
 - On Marvell "mvebu", we gain support for the Linksys WRT3200ACM
   wireless router.
 
 - For NXP i.MX, we gain support for the Gateworks Ventana GW5600
   and the Technexion Pico i.MX7D single-board computers.
 
 - The BeagleBone Blue is added for OMAP, it's the latest variation
   of the popular Beaglebone Black single-board computer.
 
 - The Allwinner based Lichee Pi Zero and NanoPi M1 Plus boards
   are added, these are the latest variations of a seemingly endless
   supply of similar single-board computers.
 
 Other updates:
 
 - Linus Walleij improves support for the "Faraday" based SoC platforms
   from various SoC makers (Moxart, Aspeed, Gemini)
 
 - The ARM Mali GPU is now describe on Rockchips SoCs
 
 - Mediatek MT7623 is extended significantly, making it much
   more useful.
 
 - Lots of individual updates on Renesas, OMAP, Rockchips, Broadcom,
   Allwinner, Qualcomm, iMX
 
 - For Amlogic, the clock support is extended a lot on meson8b.
 
 - We now build the devicetree file for the Raspberry Pi 3 on 32-bit
   ARM, in addition to the existing ARM64 support, to help users
   wanting to run a 32-bit system on it.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM device-tree updates from Arnd Bergmann:
 "Device-tree continues to see lots of updates. The majority of patches
  here are smaller changes for new hardware on existing platforms, and
  there are a few larger changes worth pointing out.

  New machines:

   - The new Action Semi S500 platform is added along with initial
     support for the LeMaker Guitar board.

   - STM32 gains support for three new boards: stm32h743-disco,
     stm32f746-disco, and stm32f769-disco, along with new device support
     for the existing stm32f429 boards.

   - Renesas adds two new boards, the tiny GR-Peach based on RZ/A1H with
     10MB on-chip SRAM, and the iWave G20D-Q7 System-on-Module plus
     board.

   - On Marvell "mvebu", we gain support for the Linksys WRT3200ACM
     wireless router.

   - For NXP i.MX, we gain support for the Gateworks Ventana GW5600 and
     the Technexion Pico i.MX7D single-board computers.

   - The BeagleBone Blue is added for OMAP, it's the latest variation of
     the popular Beaglebone Black single-board computer.

   - The Allwinner based Lichee Pi Zero and NanoPi M1 Plus boards are
     added, these are the latest variations of a seemingly endless
     supply of similar single-board computers.

  Other updates:

   - Linus Walleij improves support for the "Faraday" based SoC
     platforms from various SoC makers (Moxart, Aspeed, Gemini)

   - The ARM Mali GPU is now describe on Rockchips SoCs

   - Mediatek MT7623 is extended significantly, making it much more
     useful.

   - Lots of individual updates on Renesas, OMAP, Rockchips, Broadcom,
     Allwinner, Qualcomm, iMX

   - For Amlogic, the clock support is extended a lot on meson8b.

   - We now build the devicetree file for the Raspberry Pi 3 on 32-bit
     ARM, in addition to the existing ARM64 support, to help users
     wanting to run a 32-bit system on it"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (345 commits)
  ARM: dts: socfpga: set the i2c frequency
  ARM: dts: socfpga: Add second ethernet alias to VINING FPGA
  ARM: dts: socfpga: Drop LED node from VINING FPGA
  ARM: dts: socfpga: Remove I2C EEPROMs from VINING FPGA
  ARM: dts: socfpga: Enable QSPI support on VINING FPGA
  ARM: dts: socfpga: Fix the ethernet clock phandle
  ARM: pxa: Use - instead of @ for DT OPP entries
  ARM: dts: owl-s500: Add SPS node
  ARM: dts: owl-s500: Set CPU enable-method
  dt-bindings: arm: cpus: Add S500 enable-method
  ARM: dts: Add Actions Semi S500 and LeMaker Guitar
  dt-bindings: arm: Document Actions Semi S900
  dt-bindings: timer: Document Owl timer
  ARM: dts: imx6q-cm-fx6: add sdio wifi/bt nodes
  dt-bindings: arm: Document Actions Semi S500
  dt-bindings: Add vendor prefix for Actions Semi
  ARM: dts: turris-omnia: Add generic compatible string for I2C EEPROM
  ARM: dts: mvebu: add support for Linksys WRT3200ACM (Rango)
  ARM: dts: armada-385-linksys: fixup button node names
  ARM: dts: armada-385-linksys: group pins in pinctrl
  ...
2017-07-04 14:37:25 -07:00
Linus Torvalds
8ca302e9c6 ARM: SoC platform updates
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
 for a few platforms:
 
 - Andres Färber adds initial support for the Actions Semi S500 (a.k.a.
   'owl') platform, a close relative of the S900 platform he adds for arm64.
 
 - in mach-omap2, we remove more legacy code
 
 - Rockchips gains support for the RV1108 SoC designed for camera
   applications.
 
 - For Atmel, we gain support for MMU-less SoCs (SAME70/V71/S70/V70)
 
 - Minor updates for other platforms, including davinci, s3c64xx,
   prima2, stm32, broadcom nsp, amlogic, pxa, imx and renesas
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
  for a few platforms:

   - Andres Färber adds initial support for the Actions Semi S500 (aka
     'owl') platform, a close relative of the S900 platform he adds for
     arm64.

   - in mach-omap2, we remove more legacy code

   - Rockchips gains support for the RV1108 SoC designed for camera
     applications.

   - For Atmel, we gain support for MMU-less SoCs (SAME70/V71/S70/V70)

   - Minor updates for other platforms, including davinci, s3c64xx,
     prima2, stm32, broadcom nsp, amlogic, pxa, imx and renesas"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
  ARM: owl: smp: Drop bogus holding pen
  ARM: owl: Drop custom machine
  ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
  MAINTAINERS: Update Actions Semi section with SPS
  ARM: owl: Implement CPU enable-method for S500
  MAINTAINERS: Add Actions Semi Owl section
  ARM: Prepare Actions Semi S500
  ARM: socfpga: Increase max number of GPIOs
  ARM: stm32: Introduce MACH_STM32F469 flag
  ARM: prima2: remove redundant select CPU_V7
  ARM: davinci: fix const warnings
  ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ALWAYS_ON
  ARM: OMAP4: hwmod_data: add SHAM crypto accelerator
  ARM: OMAP4: hwmod data: add des
  ARM: OMAP4: hwmod data: add aes2
  ARM: OMAP4: hwmod data: add aes1
  ARM: pxa: Delete an error message for a failed memory allocation in pxa3xx_u2d_probe()
  ...
2017-07-04 14:34:51 -07:00
Linus Torvalds
612341bda6 ARM: SoC non-urgent fixes for merge window
Smaller patches that didn't seem to find a home in other branches, and
 low-priority fixes from late in the merge window.
 
 - Lee Jones retires as bcm2835 (raspberry pi) co-maintainer.
 
 - A couple of bugfixes for the ARM CCN bus driver that were
   regarded not important enough
 
 - minor device tree fixes for the Renesas and Marvell platforms,
   that came a little late or did not justify have another
   pull request after the last -rc.
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull non-urgent ARM SoC fixes from Arnd Bergmann:
 "Smaller patches that didn't seem to find a home in other branches, and
  low-priority fixes from late in the merge window.

   - Lee Jones retires as bcm2835 (raspberry pi) co-maintainer.

   - a couple of bugfixes for the ARM CCN bus driver that were regarded
     not important enough

   - minor device tree fixes for the Renesas and Marvell platforms, that
     came a little late or did not justify have another pull request
     after the last -rc"

* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  bus: arm-ccn: Enable stats for CCN-502 interconnect
  dt-bindings: arm-ccn: Add bindings info for CCN-502 compatible string
  bus: arm-ccn: Use devm_kcalloc() in arm_ccn_probe()
  bus: arm-ccn: Fix module autoload
  MAINTAINERS: add RV1108 Rockchip soc to maintained files
  ARM: dts: kirkwood: Fix Openblock A6 nand partition overlap
  ARM: dts: armadillo800eva: Split LCD mux and gpio
  MAINTAINERS: Remove Lee Jones from bcm2835.
2017-07-04 14:30:31 -07:00
Linus Torvalds
a897a10141 power supply and reset changes for the v4.13 series
* New drivers
  - Linear ltc3651 charger driver
  - Motorola CPCAP battery fuel-gauge driver
 * New chip/feature support
  - bq27xxx: prepare for chip data setup
  - axp20x_battery: support max charge current setup
 * New core features
  - add Apple Brick ID type
  - support "supplied-from" device property for generic ACPI/pdata support
  - support strings for sysfs properties representing enums
  - introduce battery-info (backend is DT only for now)
  - provide reboot-mode header globally
 * Misc. fixes
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Merge tag 'for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "New drivers:
   - Linear ltc3651 charger driver
   - Motorola CPCAP battery fuel-gauge driver

  New chip/feature support:
   - bq27xxx: prepare for chip data setup
   - axp20x_battery: support max charge current setup

  New core features:
   - add Apple Brick ID type
   - support "supplied-from" device property for generic ACPI/pdata support
   - support strings for sysfs properties representing enums
   - introduce battery-info (backend is DT only for now)
   - provide reboot-mode header globally

  .. and misc fixes"

* tag 'for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (39 commits)
  power: supply: sbs-battery: Don't needlessly set CAPACITY_MODE
  power: supply: sbs-battery: Prevent CAPACITY_MODE races
  power: supply: bq24735: remove incorrect le16_to_cpu calls
  power: supply: sbs-battery: remove incorrect le16_to_cpu calls
  power: supply: cpcap-charger: Add missing power_supply_config
  power: supply: twl4030-charger: move allocation of iio channel to the beginning
  power: supply: twl4030-charger: allocate iio by devm_iio_channel_get() and fix error path
  power: supply: core: constify psy_tcd_ops.
  dt-bindings: power: supply: cpcap-battery: Add power-supplies property
  dt-bindings: power: supply: move max8903-charger.txt to proper location
  dt-bindings: power: supply: move maxim,max14656.txt to proper location
  power: supply: twl4030_charger: Use sysfs_match_string() helper
  power: reset: reboot-mode: Make include file global
  power: supply: axp20x_battery: add DT support for battery max constant charge current
  power: supply: axp20x_battery: add support for DT battery
  power: supply: bq27xxx: Add power_supply_battery_info support
  power: supply: bq27xxx: Add chip data memory read/write support
  power: supply: bq27xxx: Add bulk transfer bus methods
  dt-bindings: power: supply: bq27xxx: Add monitored-battery documentation
  power: supply: core: Add power_supply_prop_precharge
  ...
2017-07-04 14:25:14 -07:00
Linus Torvalds
408c9861c6 Power management updates for v4.13-rc1
- Rework suspend-to-idle to allow it to take wakeup events signaled
    by the EC into account on ACPI-based platforms in order to properly
    support power button wakeup from suspend-to-idle on recent Dell
    laptops (Rafael Wysocki).
 
    That includes the core suspend-to-idle code rework, support for
    the Low Power S0 _DSM interface, and support for the ACPI INT0002
    Virtual GPIO device from Hans de Goede (required for USB keyboard
    wakeup from suspend-to-idle to work on some machines).
 
  - Stop trying to export the current CPU frequency via /proc/cpuinfo
    on x86 as that is inaccurate and confusing (Len Brown).
 
  - Rework the way in which the current CPU frequency is exported by
    the kernel (over the cpufreq sysfs interface) on x86 systems with
    the APERF and MPERF registers by always using values read from
    these registers, when available, to compute the current frequency
    regardless of which cpufreq driver is in use (Len Brown).
 
  - Rework the PCI/ACPI device wakeup infrastructure to remove the
    questionable and artificial distinction between "devices that
    can wake up the system from sleep states" and "devices that can
    generate wakeup signals in the working state" from it, which
    allows the code to be simplified quite a bit (Rafael Wysocki).
 
  - Fix the wakeup IRQ framework by making it use SRCU instead of
    RCU which doesn't allow sleeping in the read-side critical
    sections, but which in turn is expected to be allowed by the
    IRQ bus locking infrastructure (Thomas Gleixner).
 
  - Modify some computations in the intel_pstate driver to avoid
    rounding errors resulting from them (Srinivas Pandruvada).
 
  - Reduce the overhead of the intel_pstate driver in the HWP
    (hardware-managed P-states) mode and when the "performance"
    P-state selection algorithm is in use by making it avoid
    registering scheduler callbacks in those cases (Len Brown).
 
  - Rework the energy_performance_preference sysfs knob in
    intel_pstate by changing the values that correspond to
    different symbolic hint names used by it (Len Brown).
 
  - Make it possible to use more than one cpuidle driver at the same
    time on ARM (Daniel Lezcano).
 
  - Make it possible to prevent the cpuidle menu governor from using
    the 0 state by disabling it via sysfs (Nicholas Piggin).
 
  - Add support for FFH (Fixed Functional Hardware) MWAIT in ACPI C1
    on AMD systems (Yazen Ghannam).
 
  - Make the CPPC cpufreq driver take the lowest nonlinear performance
    information into account (Prashanth Prakash).
 
  - Add support for hi3660 to the cpufreq-dt driver, fix the
    imx6q driver and clean up the sfi, exynos5440 and intel_pstate
    drivers (Colin Ian King, Krzysztof Kozlowski, Octavian Purdila,
    Rafael Wysocki, Tao Wang).
 
  - Fix a few minor issues in the generic power domains (genpd)
    framework and clean it up somewhat (Krzysztof Kozlowski,
    Mikko Perttunen, Viresh Kumar).
 
  - Fix a couple of minor issues in the operating performance points
    (OPP) framework and clean it up somewhat (Viresh Kumar).
 
  - Fix a CONFIG dependency in the hibernation core and clean it up
    slightly (Balbir Singh, Arvind Yadav, BaoJun Luo).
 
  - Add rk3228 support to the rockchip-io adaptive voltage scaling
    (AVS) driver (David Wu).
 
  - Fix an incorrect bit shift operation in the RAPL power capping
    driver (Adam Lessnau).
 
  - Add support for the EPP field in the HWP (hardware managed
    P-states) control register, HWP.EPP, to the x86_energy_perf_policy
    tool and update msr-index.h with HWP.EPP values (Len Brown).
 
  - Fix some minor issues in the turbostat tool (Len Brown).
 
  - Add support for AMD family 0x17 CPUs to the cpupower tool and fix
    a minor issue in it (Sherry Hurwitz).
 
  - Assorted cleanups, mostly related to the constification of some
    data structures (Arvind Yadav, Joe Perches, Kees Cook, Krzysztof
    Kozlowski).
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Merge tag 'pm-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "The big ticket items here are the rework of suspend-to-idle in order
  to add proper support for power button wakeup from it on recent Dell
  laptops and the rework of interfaces exporting the current CPU
  frequency on x86.

  In addition to that, support for a few new pieces of hardware is
  added, the PCI/ACPI device wakeup infrastructure is simplified
  significantly and the wakeup IRQ framework is fixed to unbreak the IRQ
  bus locking infrastructure.

  Also, there are some functional improvements for intel_pstate, tools
  updates and small fixes and cleanups all over.

  Specifics:

   - Rework suspend-to-idle to allow it to take wakeup events signaled
     by the EC into account on ACPI-based platforms in order to properly
     support power button wakeup from suspend-to-idle on recent Dell
     laptops (Rafael Wysocki).

     That includes the core suspend-to-idle code rework, support for the
     Low Power S0 _DSM interface, and support for the ACPI INT0002
     Virtual GPIO device from Hans de Goede (required for USB keyboard
     wakeup from suspend-to-idle to work on some machines).

   - Stop trying to export the current CPU frequency via /proc/cpuinfo
     on x86 as that is inaccurate and confusing (Len Brown).

   - Rework the way in which the current CPU frequency is exported by
     the kernel (over the cpufreq sysfs interface) on x86 systems with
     the APERF and MPERF registers by always using values read from
     these registers, when available, to compute the current frequency
     regardless of which cpufreq driver is in use (Len Brown).

   - Rework the PCI/ACPI device wakeup infrastructure to remove the
     questionable and artificial distinction between "devices that can
     wake up the system from sleep states" and "devices that can
     generate wakeup signals in the working state" from it, which allows
     the code to be simplified quite a bit (Rafael Wysocki).

   - Fix the wakeup IRQ framework by making it use SRCU instead of RCU
     which doesn't allow sleeping in the read-side critical sections,
     but which in turn is expected to be allowed by the IRQ bus locking
     infrastructure (Thomas Gleixner).

   - Modify some computations in the intel_pstate driver to avoid
     rounding errors resulting from them (Srinivas Pandruvada).

   - Reduce the overhead of the intel_pstate driver in the HWP
     (hardware-managed P-states) mode and when the "performance" P-state
     selection algorithm is in use by making it avoid registering
     scheduler callbacks in those cases (Len Brown).

   - Rework the energy_performance_preference sysfs knob in intel_pstate
     by changing the values that correspond to different symbolic hint
     names used by it (Len Brown).

   - Make it possible to use more than one cpuidle driver at the same
     time on ARM (Daniel Lezcano).

   - Make it possible to prevent the cpuidle menu governor from using
     the 0 state by disabling it via sysfs (Nicholas Piggin).

   - Add support for FFH (Fixed Functional Hardware) MWAIT in ACPI C1 on
     AMD systems (Yazen Ghannam).

   - Make the CPPC cpufreq driver take the lowest nonlinear performance
     information into account (Prashanth Prakash).

   - Add support for hi3660 to the cpufreq-dt driver, fix the imx6q
     driver and clean up the sfi, exynos5440 and intel_pstate drivers
     (Colin Ian King, Krzysztof Kozlowski, Octavian Purdila, Rafael
     Wysocki, Tao Wang).

   - Fix a few minor issues in the generic power domains (genpd)
     framework and clean it up somewhat (Krzysztof Kozlowski, Mikko
     Perttunen, Viresh Kumar).

   - Fix a couple of minor issues in the operating performance points
     (OPP) framework and clean it up somewhat (Viresh Kumar).

   - Fix a CONFIG dependency in the hibernation core and clean it up
     slightly (Balbir Singh, Arvind Yadav, BaoJun Luo).

   - Add rk3228 support to the rockchip-io adaptive voltage scaling
     (AVS) driver (David Wu).

   - Fix an incorrect bit shift operation in the RAPL power capping
     driver (Adam Lessnau).

   - Add support for the EPP field in the HWP (hardware managed
     P-states) control register, HWP.EPP, to the x86_energy_perf_policy
     tool and update msr-index.h with HWP.EPP values (Len Brown).

   - Fix some minor issues in the turbostat tool (Len Brown).

   - Add support for AMD family 0x17 CPUs to the cpupower tool and fix a
     minor issue in it (Sherry Hurwitz).

   - Assorted cleanups, mostly related to the constification of some
     data structures (Arvind Yadav, Joe Perches, Kees Cook, Krzysztof
     Kozlowski)"

* tag 'pm-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (69 commits)
  cpufreq: Update scaling_cur_freq documentation
  cpufreq: intel_pstate: Clean up after performance governor changes
  PM: hibernate: constify attribute_group structures.
  cpuidle: menu: allow state 0 to be disabled
  intel_idle: Use more common logging style
  PM / Domains: Fix missing default_power_down_ok comment
  PM / Domains: Fix unsafe iteration over modified list of domains
  PM / Domains: Fix unsafe iteration over modified list of domain providers
  PM / Domains: Fix unsafe iteration over modified list of device links
  PM / Domains: Handle safely genpd_syscore_switch() call on non-genpd device
  PM / Domains: Call driver's noirq callbacks
  PM / core: Drop run_wake flag from struct dev_pm_info
  PCI / PM: Simplify device wakeup settings code
  PCI / PM: Drop pme_interrupt flag from struct pci_dev
  ACPI / PM: Consolidate device wakeup settings code
  ACPI / PM: Drop run_wake from struct acpi_device_wakeup_flags
  PM / QoS: constify *_attribute_group.
  PM / AVS: rockchip-io: add io selectors and supplies for rk3228
  powercap/RAPL: prevent overridding bits outside of the mask
  PM / sysfs: Constify attribute groups
  ...
2017-07-04 13:39:41 -07:00
Marc Gonzalez
fdd620bd05 PCI: Add DT binding for Sigma Designs Tango PCIe controller
Binding for the Sigma Designs SMP8759 SoC.

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-07-04 15:14:13 -05:00
Amir Goldstein
9412812ef5 ovl: document copying layers restrictions with inodes index
The inodes index feature introduces a behavior change - on mount,
upper root origin file handle is verified to match the lower root dir.
This implies that copied layers cannot be mounted with the inodes index
feature enabled, without explicitly removing the upper dir origin xattr
and the index dir.

The inodes index feature is required to support:
- Prevent breaking hardlinks on copy up
- NFS export support (upcoming)
- Overlayfs snapshots (POC)

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2017-07-04 22:03:19 +02:00
Jonathan Corbet
ecebcd4da6 docs: Do not include from kernel/rcu/srcu.c
That file went away with commit bd8cc5a062 (srcu: Remove Classic SRCU)
during the 4.13 merge window, leading to errors like:

  Error: Cannot open file ./kernel/rcu/srcu.c

during the docs build.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-04 13:16:41 -06:00
Linus Torvalds
b39de277b0 spi: Updates for v4.13
There's only one big change in this release but it's a very big change,
 Geert Uytterhoeven has implemented support for SPI slave mode.  This
 feature has been on the cards since the subsystem was originally merged
 back in the mists of time so it's great that Geert stepped up and
 finally implemented it.
 
  - SPI slave support, together with wholesale renaming of SPI
    controllers from master to controller which went surprisingly
    smoothly.  This is already used with Renesas SoCs and support is in
    the works for i.MX too.
  - New drivers for Meson SPICC and ST STM32
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Merge tag 'spi-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "There's only one big change in this release but it's a very big
  change: Geert Uytterhoeven has implemented support for SPI slave mode.

  This feature has been on the cards since the subsystem was originally
  merged back in the mists of time so it's great that Geert stepped up
  and finally implemented it.

   - SPI slave support, together with wholesale renaming of SPI
     controllers from master to controller which went surprisingly
     smoothly. This is already used with Renesas SoCs and support is in
     the works for i.MX too.

   - New drivers for Meson SPICC and ST STM32"

* tag 'spi-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (57 commits)
  spi: loopback-test: Fix kfree() NULL pointer error.
  spi: loopback-test: fix spelling mistake: "reruning" -> "rerunning"
  spi: sirf: fix spelling mistake: "registerred" -> "registered"
  spi: stm32: fix potential dereference null return value
  spi: stm32: enhance DMA error management
  spi: stm32: add runtime PM support
  spi: stm32: use normal conditional statements instead of ternary operator
  spi: stm32: replace st, spi-midi with st, spi-midi-ns to fit bindings
  spi: stm32: fix example with st, spi-midi-ns property
  spi: stm32: fix compatible to fit with new bindings
  spi: stm32: use SoC specific compatible
  spi: rockchip: Disable Runtime PM when chip select is asserted
  spi: rockchip: Set GPIO_SS flag to enable Slave Select with GPIO CS
  spi: atmel: fix corrupted data issue on SAM9 family SoCs
  spi: stm32: fix error check on mbr being -ve
  spi: add driver for STM32 SPI controller
  spi: Document the STM32 SPI bindings
  spi/bcm63xx: Fix checkpatch warnings
  spi: imx: Check for allocation failure earlier
  spi: mediatek: add spi support for mt2712 IC
  ...
2017-07-04 12:01:07 -07:00
Linus Torvalds
d62eb5edf6 regulator: Updates for v4.13
A quiet release for the regulator API, a series of fairly small fixes
 plus one new feature and a few new drivers:
 
  - Support for regulators with different settling times for rising and
    falling voltage changes.
  - New drivers for Allwinner AXP803, HiSilicon HI6421V530 and TI
    LP87565.
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Merge tag 'regulator-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A quiet release for the regulator API, a series of fairly small fixes
  plus one new feature and a few new drivers:

   - Support for regulators with different settling times for rising and
     falling voltage changes.

   - New drivers for Allwinner AXP803, HiSilicon HI6421V530 and TI
     LP87565"

* tag 'regulator-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (21 commits)
  regulator: core: Fix size limit of supply_map
  regulator: core: Fix voltage change propagations to supply regulators
  regulator: lp87565: Fix the initial voltage range
  regulator: tps65910: wire up sleep control configuration
  regulator: hi6421v530: Describe consumed platform device
  regulator: tps65910: check TPS65910_NUM_REGS at build time
  regulator: core: Prioritise consumer mappings over regulator name
  regulator: lp87565: Fix the GPL header
  regulator: hi6421: Describe consumed platform device
  regulator: hi6421v530: add driver for hi6421v530 voltage regulator
  regulator: da9061: BUCK and LDO regulator driver
  regulator: bd9571mwv: Statize local symbols
  regulator: tps65917: Add support for SMPS12
  regulator: lp87565: Add support for lp87565 PMIC regulators
  regulator: axp20x-regulator: add support for AXP803
  regulator: lp8755: fix spelling mistake "acceess" -> "access"
  regulator: Allow for asymmetric settling times
  regulator: DT: Add properties for asymmetric settling times
  regulator: palmas: Drop unnecessary static
  MAINTAINERS: Update MAX77802 PMIC entry
  ...
2017-07-04 11:55:21 -07:00
Linus Torvalds
24d734a2ba hwmon updates for v4.13:
- Add PMBus client driver for IR35221
 - Add support for NCT6795D to nct6775 driver
 - Functional improvements to adt7475, aspeed-pwm-tacho, and ibmpowernv drivers
 - Minor fixes and cleanups in various drivers
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Merge tag 'hwmon-for-linus-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - Add PMBus client driver for IR35221

 - Add support for NCT6795D to nct6775 driver

 - Functional improvements to adt7475, aspeed-pwm-tacho, and ibmpowernv
   drivers

 - Minor fixes and cleanups in various drivers

* tag 'hwmon-for-linus-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (22 commits)
  hwmon: (aspeed-pwm-tacho) Poll with short sleeps.
  hwmon: (aspeed-pwm-tacho) reduce fan_tach period
  hwmon: (ibmpowernv) Add current(A) sensor
  hwmon: (ibmpowernv) introduce a legacy_compatibles array
  hwmon: (pwm-fan) Switch to new atomic PWM API
  hwmon: (scpi) Fix the scale of SCP sensor readings
  hwmon: (aspeed-pwm-tacho) Enable both edge measurement.
  hwmon: (ibmpowernv) Add highest/lowest attributes to sensors
  hwmon: (pmbus) move header file out of I2C realm
  hwmon: (max6639) move header file out of I2C realm
  hwmon: (ltc4245) move header file out of I2C realm
  hwmon: (ds620) move header file out of I2C realm
  hwmon: (ads1015) move header file out of I2C realm
  hwmon: (adt7475) temperature smoothing
  hwmon: (adt7475) add high frequency support
  hwmon: (adt7475) fan stall prevention
  hwmon: (adt7475) replace find_nearest() with find_closest()
  hwmon: (pmbus) Add client driver for IR35221
  hwmon: (nct6775) Add support for NCT6795D
  hwmon: (nct6775) Improve fan detection
  ...
2017-07-04 11:48:27 -07:00
Linus Torvalds
17ece345a0 MMC core:
- Add support to enable irq wake for slot gpio
  - Remove MMC_CAP2_HC_ERASE_SZ and make it the default behaviour
  - Improve R1 response error checks for stop commands
  - Cleanup and clarify some MMC specific code
  - Keep card runtime resumed while adding SDIO function devices
  - Use device_property_read instead of of_property_read in mmc_of_parse()
  - Move boot partition locking into a driver op to enable proper I/O scheduling
  - Move multi/single-ioctl() to use block layer to enable proper I/O scheduling
  - Delete bounce buffer Kconfig option
  - Improve the eMMC HW reset support provided via the eMMC pwrseq
  - Add host API to manage SDIO IRQs from a workqueue
 
 MMC host:
  - dw_mmc: Drop support for multiple slots
  - dw_mmc: Use device_property_read instead of of_property_read
  - dw_mmc-rockchip: Optional improved tuning to greatly decrease tuning time
  - dw_mmc: Prevent rpm suspend for SDIO IRQs instead of always for SDIO cards
  - dw_mmc: Convert to use MMC_CAP2_SDIO_IRQ_NOTHREAD for SDIO IRQs
  - omap_hsmmc: Convert to mmc regulator APIs to consolidate code
  - omap_hsmmc: Deprecate "vmmc_aux" in DT and use "vqmmc" instead
  - tmio: make sure SDIO gets reinitialized after resume
  - sdhi: add CMD23 support to R-Car Gen2 & Gen3
  - tmio: add CMD23 support
  - sdhi/tmio: Refactor code and rename files to simplify Kconfig options
  - sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
  - sdhci-pci: Add support for Intel CNP
  - sdhci-esdhc-imx: Remove ENGcm07207 workaround - allow multi block transfers
  - sdhci-esdhc-imx: Allow all supported prescaler values
  - sdhci-esdhc-imx: Fix DAT line software reset
  - sdhci-esdhc: Add SDHCI_QUIRK_32BIT_DMA_ADDR
  - atmel-mci: Drop AVR32 support
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Merge tag 'mmc-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add support to enable irq wake for slot gpio
   - Remove MMC_CAP2_HC_ERASE_SZ and make it the default behaviour
   - Improve R1 response error checks for stop commands
   - Cleanup and clarify some MMC specific code
   - Keep card runtime resumed while adding SDIO function devices
   - Use device_property_read instead of of_property_read in mmc_of_parse()
   - Move boot partition locking into a driver op to enable proper I/O scheduling
   - Move multi/single-ioctl() to use block layer to enable proper I/O scheduling
   - Delete bounce buffer Kconfig option
   - Improve the eMMC HW reset support provided via the eMMC pwrseq
   - Add host API to manage SDIO IRQs from a workqueue

  MMC host:
   - dw_mmc: Drop support for multiple slots
   - dw_mmc: Use device_property_read instead of of_property_read
   - dw_mmc-rockchip: Optional improved tuning to greatly decrease tuning time
   - dw_mmc: Prevent rpm suspend for SDIO IRQs instead of always for SDIO cards
   - dw_mmc: Convert to use MMC_CAP2_SDIO_IRQ_NOTHREAD for SDIO IRQs
   - omap_hsmmc: Convert to mmc regulator APIs to consolidate code
   - omap_hsmmc: Deprecate "vmmc_aux" in DT and use "vqmmc" instead
   - tmio: make sure SDIO gets reinitialized after resume
   - sdhi: add CMD23 support to R-Car Gen2 & Gen3
   - tmio: add CMD23 support
   - sdhi/tmio: Refactor code and rename files to simplify Kconfig options
   - sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
   - sdhci-pci: Add support for Intel CNP
   - sdhci-esdhc-imx: Remove ENGcm07207 workaround - allow multi block transfers
   - sdhci-esdhc-imx: Allow all supported prescaler values
   - sdhci-esdhc-imx: Fix DAT line software reset
   - sdhci-esdhc: Add SDHCI_QUIRK_32BIT_DMA_ADDR
   - atmel-mci: Drop AVR32 support"

* tag 'mmc-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (86 commits)
  mmc: dw_mmc: remove the unnecessary slot variable
  mmc: dw_mmc: use the 'slot' instead of 'cur_slot'
  mmc: dw_mmc: remove the 'id' arguments about functions relevant to slot
  mmc: dw_mmc: change the array of slots
  mmc: dw_mmc: remove the loop about finding slots
  mmc: dw_mmc: deprecated the "num-slots" property
  mmc: dw_mmc-rockchip: parse rockchip, desired-num-phases from DT
  dt-bindings: rockchip-dw-mshc: add optional rockchip, desired-num-phases
  mmc: renesas-sdhi: improve checkpatch cleanness
  mmc: tmio: improve checkpatch cleanness
  mmc: sdhci-pci: Enable card detect wake for Intel BYT-related SD controllers
  mmc: slot-gpio: Add support to enable irq wake on cd_irq
  mmc: core: Remove MMC_CAP2_HC_ERASE_SZ
  mmc: core: for data errors, take response of stop cmd into account
  mmc: core: check also R1 response for stop commands
  mmc: core: Clarify code for sending CSD
  mmc: core: Drop mmc_all_send_cid() and use mmc_send_cxd_native() instead
  mmc: core: Re-factor code for sending CID
  mmc: core: Remove redundant code in mmc_send_cid()
  mmc: core: Make mmc_can_reset() static
  ...
2017-07-04 11:11:56 -07:00
Bjorn Helgaas
66a63e15bf Merge branch 'pci/host-rcar' into next
* pci/host-rcar:
  PCI: rcar-gen2: Make of_device_ids const
  PCI: rcar: Use proper name for the R-Car SoC
2017-07-04 11:00:58 -05:00
Bjorn Helgaas
bec36cfa7b Merge branch 'pci/host-qcom' into next
* pci/host-qcom:
  PCI: qcom: Limit TLP size to 2K to work around hardware issue
  PCI: qcom: Fix spelling mistake: "asser" -> "assert"
  PCI: qcom: Reorder to put v0 functions together, v1 functions together, etc
  PCI: qcom: Add support for IPQ4019 PCIe controller
2017-07-04 11:00:57 -05:00
Bjorn Helgaas
097d05704e Merge branch 'pci/host-mediatek' into next
* pci/host-mediatek:
  dt-bindings: PCI: Add documentation for MediaTek PCIe
  PCI: mediatek: Add MediaTek PCIe host controller support
2017-07-04 11:00:57 -05:00
Chao Yu
56412894b3 f2fs: fix to document fault injection option and sysfs file
Commit 73faec4d99 ("f2fs: add mount option to select fault injection
ratio") and Commit 087968974f ("f2fs: add fault injection to sysfs")
forget to document mount option and sysfs file.

This patch fixes to document them.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-07-04 02:11:44 -07:00
Chao Yu
6f6d9fe2ab f2fs: fix incorrect document of batched_trim_sections
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-07-04 02:11:42 -07:00
Vinod Koul
3edc85023a Merge branch 'topic/rcar' into for-linus 2017-07-04 10:05:22 +05:30
Vinod Koul
98cd085ebb Merge branch 'topic/pl08x' into for-linus 2017-07-04 10:05:10 +05:30
Linus Torvalds
650fc870a2 There has been a fair amount of activity in the docs tree this time
around.  Highlights include:
 
  - Conversion of a bunch of security documentation into RST
 
  - The conversion of the remaining DocBook templates by The Amazing
    Mauro Machine.  We can now drop the entire DocBook build chain.
 
  - The usual collection of fixes and minor updates.
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Merge tag 'docs-4.13' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "There has been a fair amount of activity in the docs tree this time
  around. Highlights include:

   - Conversion of a bunch of security documentation into RST

   - The conversion of the remaining DocBook templates by The Amazing
     Mauro Machine. We can now drop the entire DocBook build chain.

   - The usual collection of fixes and minor updates"

* tag 'docs-4.13' of git://git.lwn.net/linux: (90 commits)
  scripts/kernel-doc: handle DECLARE_HASHTABLE
  Documentation: atomic_ops.txt is core-api/atomic_ops.rst
  Docs: clean up some DocBook loose ends
  Make the main documentation title less Geocities
  Docs: Use kernel-figure in vidioc-g-selection.rst
  Docs: fix table problems in ras.rst
  Docs: Fix breakage with Sphinx 1.5 and upper
  Docs: Include the Latex "ifthen" package
  doc/kokr/howto: Only send regression fixes after -rc1
  docs-rst: fix broken links to dynamic-debug-howto in kernel-parameters
  doc: Document suitability of IBM Verse for kernel development
  Doc: fix a markup error in coding-style.rst
  docs: driver-api: i2c: remove some outdated information
  Documentation: DMA API: fix a typo in a function name
  Docs: Insert missing space to separate link from text
  doc/ko_KR/memory-barriers: Update control-dependencies example
  Documentation, kbuild: fix typo "minimun" -> "minimum"
  docs: Fix some formatting issues in request-key.rst
  doc: ReSTify keys-trusted-encrypted.txt
  doc: ReSTify keys-request-key.txt
  ...
2017-07-03 21:13:25 -07:00
Linus Torvalds
f4dd029ee0 Char/Misc patches for 4.13-rc1
Here is the "big" char/misc driver patchset for 4.13-rc1.
 
 Lots of stuff in here, a large thunderbolt update, w1 driver header
 reorg, the new mux driver subsystem, google firmware driver updates, and
 a raft of other smaller things.  Full details in the shortlog.
 
 All of these have been in linux-next for a while with the only reported
 issue being a merge problem with this tree and the jc-docs tree in the
 w1 documentation area.  The fix should be obvious for what to do when it
 happens, if not, we can send a follow-up patch for it afterward.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc updates from Greg KH:
 "Here is the "big" char/misc driver patchset for 4.13-rc1.

  Lots of stuff in here, a large thunderbolt update, w1 driver header
  reorg, the new mux driver subsystem, google firmware driver updates,
  and a raft of other smaller things. Full details in the shortlog.

  All of these have been in linux-next for a while with the only
  reported issue being a merge problem with this tree and the jc-docs
  tree in the w1 documentation area"

* tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (147 commits)
  misc: apds990x: Use sysfs_match_string() helper
  mei: drop unreachable code in mei_start
  mei: validate the message header only in first fragment.
  DocBook: w1: Update W1 file locations and names in DocBook
  mux: adg792a: always require I2C support
  nvmem: rockchip-efuse: add support for rk322x-efuse
  nvmem: core: add locking to nvmem_find_cell
  nvmem: core: Call put_device() in nvmem_unregister()
  nvmem: core: fix leaks on registration errors
  nvmem: correct Broadcom OTP controller driver writes
  w1: Add subsystem kernel public interface
  drivers/fsi: Add module license to core driver
  drivers/fsi: Use asynchronous slave mode
  drivers/fsi: Add hub master support
  drivers/fsi: Add SCOM FSI client device driver
  drivers/fsi/gpio: Add tracepoints for GPIO master
  drivers/fsi: Add GPIO based FSI master
  drivers/fsi: Document FSI master sysfs files in ABI
  drivers/fsi: Add error handling for slave
  drivers/fsi: Add tracepoints for low-level operations
  ...
2017-07-03 20:55:59 -07:00
Linus Torvalds
974668417b driver core patches for 4.13-rc1
Here is the big driver core update for 4.13-rc1.
 
 The large majority of this is a lot of cleanup of old fields in the
 driver core structures and their remaining usages in random drivers.
 All of those fixes have been reviewed by the various subsystem
 maintainers.  There's also some small firmware updates in here, a new
 kobject uevent api interface that makes userspace interaction easier,
 and a few other minor things.
 
 All of these have been in linux-next for a long while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the big driver core update for 4.13-rc1.

  The large majority of this is a lot of cleanup of old fields in the
  driver core structures and their remaining usages in random drivers.
  All of those fixes have been reviewed by the various subsystem
  maintainers. There's also some small firmware updates in here, a new
  kobject uevent api interface that makes userspace interaction easier,
  and a few other minor things.

  All of these have been in linux-next for a long while with no reported
  issues"

* tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (56 commits)
  arm: mach-rpc: ecard: fix build error
  zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()
  driver-core: remove struct bus_type.dev_attrs
  powerpc: vio_cmo: use dev_groups and not dev_attrs for bus_type
  powerpc: vio: use dev_groups and not dev_attrs for bus_type
  USB: usbip: convert to use DRIVER_ATTR_RW
  s390: drivers: convert to use DRIVER_ATTR_RO/WO
  platform: thinkpad_acpi: convert to use DRIVER_ATTR_RO/RW
  pcmcia: ds: convert to use DRIVER_ATTR_RO
  wireless: ipw2x00: convert to use DRIVER_ATTR_RW
  net: ehea: convert to use DRIVER_ATTR_RO
  net: caif: convert to use DRIVER_ATTR_RO
  TTY: hvc: convert to use DRIVER_ATTR_RW
  PCI: pci-driver: convert to use DRIVER_ATTR_WO
  IB: nes: convert to use DRIVER_ATTR_RW
  HID: hid-core: convert to use DRIVER_ATTR_RO and drv_groups
  arm: ecard: fix dev_groups patch typo
  tty: serdev: use dev_groups and not dev_attrs for bus_type
  sparc: vio: use dev_groups and not dev_attrs for bus_type
  hid: intel-ish-hid: use dev_groups and not dev_attrs for bus_type
  ...
2017-07-03 20:27:48 -07:00
Linus Torvalds
9a715cd543 TTY/Serial patches for 4.13-rc1
Here is the large tty/serial patchset for 4.13-rc1.
 
 A lot of tty and serial driver updates are in here, along with some
 fixups for some __get/put_user usages that were reported.  Nothing huge,
 just lots of development by a number of different developers, full
 details in the shortlog.
 
 All of these have been in linux-next for a while.  There will be a merge
 issue with the arm-soc tree in the include/linux/platform_data/atmel.h
 file.  Stephen has sent out a fixup for it, so it shouldn't be that
 difficult to merge.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here is the large tty/serial patchset for 4.13-rc1.

  A lot of tty and serial driver updates are in here, along with some
  fixups for some __get/put_user usages that were reported. Nothing
  huge, just lots of development by a number of different developers,
  full details in the shortlog.

  All of these have been in linux-next for a while"

* tag 'tty-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (71 commits)
  tty: serial: lpuart: add a more accurate baud rate calculation method
  tty: serial: lpuart: add earlycon support for imx7ulp
  tty: serial: lpuart: add imx7ulp support
  dt-bindings: serial: fsl-lpuart: add i.MX7ULP support
  tty: serial: lpuart: add little endian 32 bit register support
  tty: serial: lpuart: refactor lpuart32_{read|write} prototype
  tty: serial: lpuart: introduce lpuart_soc_data to represent SoC property
  serial: imx-serial - move DMA buffer configuration to DT
  serial: imx: Enable RTSD only when needed
  serial: imx: Remove unused members from imx_port struct
  serial: 8250: 8250_omap: Fix race b/w dma completion and RX timeout
  serial: 8250: Fix THRE flag usage for CAP_MINI
  tty/serial: meson_uart: update to stable bindings
  dt-bindings: serial: Add bindings for the Amlogic Meson UARTs
  serial: Delete dead code for CIR serial ports
  serial: sirf: make of_device_ids const
  serial/mpsc: switch to dma_alloc_attrs
  tty: serial: Add Actions Semi Owl UART earlycon
  dt-bindings: serial: Document Actions Semi Owl UARTs
  tty/serial: atmel: make the driver DT only
  ...
2017-07-03 20:04:16 -07:00
Linus Torvalds
cbcd4f08aa Staging/IIO patches for 4.13-rc1
Here's the large set of staging and iio driver patches for 4.13-rc1.
 After over 500 patches, we removed about 200 more lines of code than we
 added, not great, but we added some new IIO drivers for unsupported
 hardware, so it's an overall win.
 
 Also here are lots of small fixes, and some tty core api additions (with
 the tty maintainer's ack) for the speakup drivers, those are finally
 getting some much needed cleanups and are looking much better now than
 before.  Full details in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO updates from Greg KH:
 "Here's the large set of staging and iio driver patches for 4.13-rc1.

  After over 500 patches, we removed about 200 more lines of code than
  we added, not great, but we added some new IIO drivers for unsupported
  hardware, so it's an overall win.

  Also here are lots of small fixes, and some tty core api additions
  (with the tty maintainer's ack) for the speakup drivers, those are
  finally getting some much needed cleanups and are looking much better
  now than before. Full details in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (529 commits)
  staging: lustre: replace kmalloc with kmalloc_array
  Staging: ion: fix code style warning from NULL comparisons
  staging: fsl-mc: make dprc.h header private
  staging: fsl-mc: move mc-cmd.h contents in the public header
  staging: fsl-mc: move mc-sys.h contents in the public header
  staging: fsl-mc: fix a few implicit includes
  staging: fsl-mc: remove dpmng API files
  staging: fsl-mc: move rest of mc-bus.h to private header
  staging: fsl-mc: move couple of definitions to public header
  staging: fsl-mc: move irq domain creation prototype to public header
  staging: fsl-mc: turn several exported functions static
  staging: fsl-mc: delete prototype of unimplemented function
  staging: fsl-mc: delete duplicated function prototypes
  staging: fsl-mc: decouple the mc-bus public headers from dprc.h
  staging: fsl-mc: drop useless #includes
  staging: fsl-mc: be consistent when checking strcmp() return
  staging: fsl-mc: move comparison before strcmp() call
  staging: speakup: make function ser_to_dev static
  staging: ks7010: fix spelling mistake: "errror" -> "error"
  staging: rtl8192e: fix spelling mistake: "respose" -> "response"
  ...
2017-07-03 19:57:30 -07:00
Linus Torvalds
362f6729cb USB/PHY patches for 4.13-rc1
Here is the big patchset of USB and PHY driver updates for 4.13-rc1.
 
 On the PHY side, they decided to move files around to "make things
 easier" in their tree.  Hopefully that wasn't a mistake, but in
 linux-next testing, we haven't had any reported problems.
 
 There's the usual set of gadget and xhci and musb updates in here as
 well, along with a number of smaller updates for a raft of different USB
 drivers.  Full details in the shortlog, nothing really major.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big patchset of USB and PHY driver updates for 4.13-rc1.

  On the PHY side, they decided to move files around to "make things
  easier" in their tree. Hopefully that wasn't a mistake, but in
  linux-next testing, we haven't had any reported problems.

  There's the usual set of gadget and xhci and musb updates in here as
  well, along with a number of smaller updates for a raft of different
  USB drivers. Full details in the shortlog, nothing really major.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (173 commits)
  Add USB quirk for HVR-950q to avoid intermittent device resets
  USB hub_probe: rework ugly goto-into-compound-statement
  usb: host: ohci-pxa27x: Handle return value of clk_prepare_enable
  USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
  usbip: Fix uninitialized variable bug in vhci
  usb: core: read USB ports from DT in the usbport LED trigger driver
  dt-bindings: leds: document new trigger-sources property
  usb: typec: ucsi: Add ACPI driver
  usb: typec: Add support for UCSI interface
  usb: musb: compress return logic into one line
  USB: serial: propagate late probe errors
  USB: serial: refactor port endpoint setup
  usb: musb: tusb6010_omap: Convert to DMAengine API
  ARM: OMAP2+: DMA: Add slave map entries for 24xx external request lines
  usb: musb: tusb6010: Handle DMA TX completion in DMA callback as well
  usb: musb: tusb6010_omap: Allocate DMA channels upfront
  usb: musb: tusb6010_omap: Create new struct for DMA data/parameters
  usb: musb: tusb6010_omap: Use one musb_ep_select call in tusb_omap_dma_program
  usb: musb: tusb6010: Add MUSB_G_NO_SKB_RESERVE to quirks
  usb: musb: Add quirk to avoid skb reserve in gadget mode
  ...
2017-07-03 19:30:55 -07:00
Linus Torvalds
4422d80ed7 Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Thomas Gleixner:
 "The RAS updates for the 4.13 merge window:

   - Cleanup of the MCE injection facility (Borsilav Petkov)

   - Rework of the AMD/SMCA handling (Yazen Ghannam)

   - Enhancements for ACPI/APEI to handle new notitication types (Shiju
     Jose)

   - atomic_t to refcount_t conversion (Elena Reshetova)

   - A few fixes and enhancements all over the place"

* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  RAS/CEC: Check the correct variable in the debugfs error handling
  x86/mce: Always save severity in machine_check_poll()
  x86/MCE, xen/mcelog: Make /dev/mcelog registration messages more precise
  x86/mce: Update bootlog description to reflect behavior on AMD
  x86/mce: Don't disable MCA banks when offlining a CPU on AMD
  x86/mce/mce-inject: Preset the MCE injection struct
  x86/mce: Clean up include files
  x86/mce: Get rid of register_mce_write_callback()
  x86/mce: Merge mce_amd_inj into mce-inject
  x86/mce/AMD: Use saved threshold block info in interrupt handler
  x86/mce/AMD: Use msr_stat when clearing MCA_STATUS
  x86/mce/AMD: Carve out SMCA bank configuration
  x86/mce/AMD: Redo error logging from APIC LVT interrupt handlers
  x86/mce: Convert threshold_bank.cpus from atomic_t to refcount_t
  RAS: Make local function parse_ras_param() static
  ACPI/APEI: Handle GSIV and GPIO notification types
2017-07-03 18:33:03 -07:00
Linus Torvalds
03ffbcdd78 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 "The irq department delivers:

   - Expand the generic infrastructure handling the irq migration on CPU
     hotplug and convert X86 over to it. (Thomas Gleixner)

     Aside of consolidating code this is a preparatory change for:

   - Finalizing the affinity management for multi-queue devices. The
     main change here is to shut down interrupts which are affine to a
     outgoing CPU and reenabling them when the CPU comes online again.
     That avoids moving interrupts pointlessly around and breaking and
     reestablishing affinities for no value. (Christoph Hellwig)

     Note: This contains also the BLOCK-MQ and NVME changes which depend
     on the rework of the irq core infrastructure. Jens acked them and
     agreed that they should go with the irq changes.

   - Consolidation of irq domain code (Marc Zyngier)

   - State tracking consolidation in the core code (Jeffy Chen)

   - Add debug infrastructure for hierarchical irq domains (Thomas
     Gleixner)

   - Infrastructure enhancement for managing generic interrupt chips via
     devmem (Bartosz Golaszewski)

   - Constification work all over the place (Tobias Klauser)

   - Two new interrupt controller drivers for MVEBU (Thomas Petazzoni)

   - The usual set of fixes, updates and enhancements all over the
     place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (112 commits)
  irqchip/or1k-pic: Fix interrupt acknowledgement
  irqchip/irq-mvebu-gicp: Allocate enough memory for spi_bitmap
  irqchip/gic-v3: Fix out-of-bound access in gic_set_affinity
  nvme: Allocate queues for all possible CPUs
  blk-mq: Create hctx for each present CPU
  blk-mq: Include all present CPUs in the default queue mapping
  genirq: Avoid unnecessary low level irq function calls
  genirq: Set irq masked state when initializing irq_desc
  genirq/timings: Add infrastructure for estimating the next interrupt arrival time
  genirq/timings: Add infrastructure to track the interrupt timings
  genirq/debugfs: Remove pointless NULL pointer check
  irqchip/gic-v3-its: Don't assume GICv3 hardware supports 16bit INTID
  irqchip/gic-v3-its: Add ACPI NUMA node mapping
  irqchip/gic-v3-its-platform-msi: Make of_device_ids const
  irqchip/gic-v3-its: Make of_device_ids const
  irqchip/irq-mvebu-icu: Add new driver for Marvell ICU
  irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP
  dt-bindings/interrupt-controller: Add DT binding for the Marvell ICU
  genirq/irqdomain: Remove auto-recursive hierarchy support
  irqchip/MSI: Use irq_domain_update_bus_token instead of an open coded access
  ...
2017-07-03 16:50:31 -07:00
Linus Torvalds
1b044f1cfc Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
 "A rather large update for timers/timekeeping:

   - compat syscall consolidation (Al Viro)

   - Posix timer consolidation (Christoph Helwig / Thomas Gleixner)

   - Cleanup of the device tree based initialization for clockevents and
     clocksources (Daniel Lezcano)

   - Consolidation of the FTTMR010 clocksource/event driver (Linus
     Walleij)

   - The usual set of small fixes and updates all over the place"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (93 commits)
  timers: Make the cpu base lock raw
  clocksource/drivers/mips-gic-timer: Fix an error code in 'gic_clocksource_of_init()'
  clocksource/drivers/fsl_ftm_timer: Unmap region obtained by of_iomap
  clocksource/drivers/tcb_clksrc: Make IO endian agnostic
  clocksource/drivers/sun4i: Switch to the timer-of common init
  clocksource/drivers/timer-of: Fix invalid iomap check
  Revert "ktime: Simplify ktime_compare implementation"
  clocksource/drivers: Fix uninitialized variable use in timer_of_init
  kselftests: timers: Add test for frequency step
  kselftests: timers: Fix inconsistency-check to not ignore first timestamp
  time: Add warning about imminent deprecation of CONFIG_GENERIC_TIME_VSYSCALL_OLD
  time: Clean up CLOCK_MONOTONIC_RAW time handling
  posix-cpu-timers: Make timespec to nsec conversion safe
  itimer: Make timeval to nsec conversion range limited
  timers: Fix parameter description of try_to_del_timer_sync()
  ktime: Simplify ktime_compare implementation
  clocksource/drivers/fttmr010: Factor out clock read code
  clocksource/drivers/fttmr010: Implement delay timer
  clocksource/drivers: Add timer-of common init routine
  clocksource/drivers/tcb_clksrc: Save timer context on suspend/resume
  ...
2017-07-03 16:14:51 -07:00
Dmitry Monakhov
e23947bd76 bio-integrity: fold bio_integrity_enabled to bio_integrity_prep
Currently all integrity prep hooks are open-coded, and if prepare fails
we ignore it's code and fail bio with EIO. Let's return real error to
upper layer, so later caller may react accordingly.

In fact no one want to use bio_integrity_prep() w/o bio_integrity_enabled,
so it is reasonable to fold it in to one function.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
[hch: merged with the latest block tree,
	return bool from bio_integrity_prep]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-07-03 16:56:24 -06:00
Linus Torvalds
25e09ca524 Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
 "The main changes in this cycle were KASLR improvements for rare
  environments with special boot options, by Baoquan He. Also misc
  smaller changes/cleanups"

* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/debug: Extend the lower bound of crash kernel low reservations
  x86/boot: Remove unused copy_*_gs() functions
  x86/KASLR: Use the right memcpy() implementation
  Documentation/kernel-parameters.txt: Update 'memmap=' boot option description
  x86/KASLR: Handle the memory limit specified by the 'memmap=' and 'mem=' boot options
  x86/KASLR: Parse all 'memmap=' boot option entries
2017-07-03 13:40:38 -07:00
Linus Torvalds
9bd42183b9 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Add the SYSTEM_SCHEDULING bootup state to move various scheduler
     debug checks earlier into the bootup. This turns silent and
     sporadically deadly bugs into nice, deterministic splats. Fix some
     of the splats that triggered. (Thomas Gleixner)

   - A round of restructuring and refactoring of the load-balancing and
     topology code (Peter Zijlstra)

   - Another round of consolidating ~20 of incremental scheduler code
     history: this time in terms of wait-queue nomenclature. (I didn't
     get much feedback on these renaming patches, and we can still
     easily change any names I might have misplaced, so if anyone hates
     a new name, please holler and I'll fix it.) (Ingo Molnar)

   - sched/numa improvements, fixes and updates (Rik van Riel)

   - Another round of x86/tsc scheduler clock code improvements, in hope
     of making it more robust (Peter Zijlstra)

   - Improve NOHZ behavior (Frederic Weisbecker)

   - Deadline scheduler improvements and fixes (Luca Abeni, Daniel
     Bristot de Oliveira)

   - Simplify and optimize the topology setup code (Lauro Ramos
     Venancio)

   - Debloat and decouple scheduler code some more (Nicolas Pitre)

   - Simplify code by making better use of llist primitives (Byungchul
     Park)

   - ... plus other fixes and improvements"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (103 commits)
  sched/cputime: Refactor the cputime_adjust() code
  sched/debug: Expose the number of RT/DL tasks that can migrate
  sched/numa: Hide numa_wake_affine() from UP build
  sched/fair: Remove effective_load()
  sched/numa: Implement NUMA node level wake_affine()
  sched/fair: Simplify wake_affine() for the single socket case
  sched/numa: Override part of migrate_degrades_locality() when idle balancing
  sched/rt: Move RT related code from sched/core.c to sched/rt.c
  sched/deadline: Move DL related code from sched/core.c to sched/deadline.c
  sched/cpuset: Only offer CONFIG_CPUSETS if SMP is enabled
  sched/fair: Spare idle load balancing on nohz_full CPUs
  nohz: Move idle balancer registration to the idle path
  sched/loadavg: Generalize "_idle" naming to "_nohz"
  sched/core: Drop the unused try_get_task_struct() helper function
  sched/fair: WARN() and refuse to set buddy when !se->on_rq
  sched/debug: Fix SCHED_WARN_ON() to return a value on !CONFIG_SCHED_DEBUG as well
  sched/wait: Disambiguate wq_entry->task_list and wq_head->task_list naming
  sched/wait: Move bit_wait_table[] and related functionality from sched/core.c to sched/wait_bit.c
  sched/wait: Split out the wait_bit*() APIs from <linux/wait.h> into <linux/wait_bit.h>
  sched/wait: Re-adjust macro line continuation backslashes in <linux/wait.h>
  ...
2017-07-03 13:08:04 -07:00
Linus Torvalds
330e9e4625 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The sole purpose of these changes is to shrink and simplify the RCU
  code base, which has suffered from creeping bloat over the past couple
  of years. The end result is a net removal of ~2700 lines of code:

     79 files changed, 1496 insertions(+), 4211 deletions(-)

  Plus there's a marked reduction in the Kconfig space complexity as
  well, here's the number of matches on 'grep RCU' in the .config:

                               before       after

     x86-defconfig                 17          15
     x86-allmodconfig              33          20"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (86 commits)
  rcu: Remove RCU CPU stall warnings from Tiny RCU
  rcu: Remove event tracing from Tiny RCU
  rcu: Move RCU debug Kconfig options to kernel/rcu
  rcu: Move RCU non-debug Kconfig options to kernel/rcu
  rcu: Eliminate NOCBs CPU-state Kconfig options
  rcu: Remove debugfs tracing
  srcu: Remove Classic SRCU
  srcu: Fix rcutorture-statistics typo
  rcu: Remove SPARSE_RCU_POINTER Kconfig option
  rcu: Remove the now-obsolete PROVE_RCU_REPEATEDLY Kconfig option
  rcu: Remove typecheck() from RCU locking wrapper functions
  rcu: Remove #ifdef moving rcu_end_inkernel_boot from rcupdate.h
  rcu: Remove nohz_full full-system-idle state machine
  rcu: Remove the RCU_KTHREAD_PRIO Kconfig option
  rcu: Remove *_SLOW_* Kconfig options
  srcu: Use rnp->lock wrappers to replace explicit memory barriers
  rcu: Move rnp->lock wrappers for SRCU use
  rcu: Convert rnp->lock wrappers to macros for SRCU use
  rcu: Refactor #includes from include/linux/rcupdate.h
  bcm47xx: Fix build regression
  ...
2017-07-03 11:34:53 -07:00
Takashi Iwai
818a23e388 ASoC: Updates for v4.13
The big news with this release is the of-graph card, this provides a
 replacement for simple-card that is much more flexibile and scalable,
 allowing many more systems to use a generic sound card than was possible
 before:
 
  - The of-graph card, finally merged after a long and dedicated effort
    by Morimoto-san.
  - New widget types intended mainly for use with DSPs.
  - New drivers for Allwinner V3s SoCs, Ensonic ES8316, several classes
    of x86 machine, Rockchip PDM controllers, STM32 I2S and S/PDIF
    controllers and ZTE AUD96P22 CODECs.
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Merge tag 'asoc-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.13

The big news with this release is the of-graph card, this provides a
replacement for simple-card that is much more flexibile and scalable,
allowing many more systems to use a generic sound card than was possible
before:

 - The of-graph card, finally merged after a long and dedicated effort
   by Morimoto-san.
 - New widget types intended mainly for use with DSPs.
 - New drivers for Allwinner V3s SoCs, Ensonic ES8316, several classes
   of x86 machine, Rockchip PDM controllers, STM32 I2S and S/PDIF
   controllers and ZTE AUD96P22 CODECs.
2017-07-03 19:51:42 +02:00
Linus Torvalds
c6b1e36c8f Merge branch 'for-4.13/block' of git://git.kernel.dk/linux-block
Pull core block/IO updates from Jens Axboe:
 "This is the main pull request for the block layer for 4.13. Not a huge
  round in terms of features, but there's a lot of churn related to some
  core cleanups.

  Note this depends on the UUID tree pull request, that Christoph
  already sent out.

  This pull request contains:

   - A series from Christoph, unifying the error/stats codes in the
     block layer. We now use blk_status_t everywhere, instead of using
     different schemes for different places.

   - Also from Christoph, some cleanups around request allocation and IO
     scheduler interactions in blk-mq.

   - And yet another series from Christoph, cleaning up how we handle
     and do bounce buffering in the block layer.

   - A blk-mq debugfs series from Bart, further improving on the support
     we have for exporting internal information to aid debugging IO
     hangs or stalls.

   - Also from Bart, a series that cleans up the request initialization
     differences across types of devices.

   - A series from Goldwyn Rodrigues, allowing the block layer to return
     failure if we will block and the user asked for non-blocking.

   - Patch from Hannes for supporting setting loop devices block size to
     that of the underlying device.

   - Two series of patches from Javier, fixing various issues with
     lightnvm, particular around pblk.

   - A series from me, adding support for write hints. This comes with
     NVMe support as well, so applications can help guide data placement
     on flash to improve performance, latencies, and write
     amplification.

   - A series from Ming, improving and hardening blk-mq support for
     stopping/starting and quiescing hardware queues.

   - Two pull requests for NVMe updates. Nothing major on the feature
     side, but lots of cleanups and bug fixes. From the usual crew.

   - A series from Neil Brown, greatly improving the bio rescue set
     support. Most notably, this kills the bio rescue work queues, if we
     don't really need them.

   - Lots of other little bug fixes that are all over the place"

* 'for-4.13/block' of git://git.kernel.dk/linux-block: (217 commits)
  lightnvm: pblk: set line bitmap check under debug
  lightnvm: pblk: verify that cache read is still valid
  lightnvm: pblk: add initialization check
  lightnvm: pblk: remove target using async. I/Os
  lightnvm: pblk: use vmalloc for GC data buffer
  lightnvm: pblk: use right metadata buffer for recovery
  lightnvm: pblk: schedule if data is not ready
  lightnvm: pblk: remove unused return variable
  lightnvm: pblk: fix double-free on pblk init
  lightnvm: pblk: fix bad le64 assignations
  nvme: Makefile: remove dead build rule
  blk-mq: map all HWQ also in hyperthreaded system
  nvmet-rdma: register ib_client to not deadlock in device removal
  nvme_fc: fix error recovery on link down.
  nvmet_fc: fix crashes on bad opcodes
  nvme_fc: Fix crash when nvme controller connection fails.
  nvme_fc: replace ioabort msleep loop with completion
  nvme_fc: fix double calls to nvme_cleanup_cmd()
  nvme-fabrics: verify that a controller returns the correct NQN
  nvme: simplify nvme_dev_attrs_are_visible
  ...
2017-07-03 10:34:51 -07:00
Mark Brown
8d67f64f77 Merge remote-tracking branches 'regulator/topic/settle', 'regulator/topic/tps65910' and 'regulator/topic/tps65917' into regulator-next 2017-07-03 16:52:21 +01:00
Mark Brown
082f6968bb Merge remote-tracking branches 'spi/topic/spidev', 'spi/topic/st-ssc4' and 'spi/topic/stm32' into spi-next 2017-07-03 16:21:12 +01:00
Mark Brown
cc7e35baca Merge remote-tracking branches 'spi/topic/orion', 'spi/topic/pxa2xx', 'spi/topic/rockchip', 'spi/topic/sh-msiof' and 'spi/topic/sirf' into spi-next 2017-07-03 16:21:10 +01:00
Mark Brown
15f8c9af83 Merge remote-tracking branches 'spi/topic/loopback', 'spi/topic/meson-spicc', 'spi/topic/mtk' and 'spi/topic/omap2-mcspi' into spi-next 2017-07-03 16:21:08 +01:00
Mark Brown
9d540b0d49 Merge remote-tracking branch 'spi/topic/master' into spi-next 2017-07-03 16:21:05 +01:00
Mark Brown
478b77461a Merge remote-tracking branch 'asoc/topic/zx-aud96p22' into asoc-next 2017-07-03 16:15:23 +01:00
Mark Brown
f116d2ffb9 Merge remote-tracking branches 'asoc/topic/stm32', 'asoc/topic/sunxi', 'asoc/topic/tlv320dac31xx', 'asoc/topic/topology' and 'asoc/topic/wm-adsp' into asoc-next 2017-07-03 16:15:20 +01:00
Mark Brown
cf1f9e5d16 Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000' and 'asoc/topic/sh' into asoc-next 2017-07-03 16:15:19 +01:00
Mark Brown
858e84a1ab Merge remote-tracking branches 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/rockchip' and 'asoc/topic/rt5514' into asoc-next 2017-07-03 16:15:15 +01:00
Mark Brown
f459768c6c Merge remote-tracking branches 'asoc/topic/msm8916', 'asoc/topic/mtk', 'asoc/topic/nau8824', 'asoc/topic/nau8825' and 'asoc/topic/of-graph' into asoc-next 2017-07-03 16:15:12 +01:00
Mark Brown
be6054765c Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/drm', 'asoc/topic/dwc' and 'asoc/topic/es8316' into asoc-next 2017-07-03 16:15:09 +01:00
Mark Brown
c7a9dd3cb6 Merge remote-tracking branches 'asoc/topic/ak4613', 'asoc/topic/ak4642', 'asoc/topic/atmel', 'asoc/topic/cs35l34' and 'asoc/topic/cs35l35' into asoc-next 2017-07-03 16:15:05 +01:00
Mark Brown
85ee1f42fa Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next 2017-07-03 16:15:04 +01:00
Mark Brown
9a532f0554 Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next 2017-07-03 16:15:03 +01:00
Ryder Lee
ea7f4491e9 dt-bindings: PCI: Add documentation for MediaTek PCIe
Add documentation for PCIe host driver available in MT7623 series SoCs.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-07-03 08:07:18 -05:00
Michael Ellerman
218ea31039 Merge branch 'fixes' into next
Merge our fixes branch, a few of them are tripping people up while
working on top of next, and we also have a dependency between the CXL
fixes and new CXL code we want to merge into next.
2017-07-03 23:05:43 +10:00
Bjorn Helgaas
beaba77cf2 Merge branch 'pci/host-imx6' into next
* pci/host-imx6:
  PCI: imx6: Add regulator support
2017-07-03 08:00:32 -05:00
Rafael J. Wysocki
8f8e5c3e27 Merge branch 'acpi-pm'
* acpi-pm:
  PM / core: Drop run_wake flag from struct dev_pm_info
  PCI / PM: Simplify device wakeup settings code
  PCI / PM: Drop pme_interrupt flag from struct pci_dev
  ACPI / PM: Consolidate device wakeup settings code
  ACPI / PM: Drop run_wake from struct acpi_device_wakeup_flags
  ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems
  platform: x86: intel-hid: Wake up the system from suspend-to-idle
  platform: x86: intel-vbtn: Wake up the system from suspend-to-idle
  ACPI / PM: Ignore spurious SCI wakeups from suspend-to-idle
  platform/x86: Add driver for ACPI INT0002 Virtual GPIO device
  PCI / PM: Restore PME Enable if skipping wakeup setup
  PM / sleep: Print timing information if debug is enabled
  ACPI / PM: Clean up device wakeup enable/disable code
  ACPI / PM: Change log level of wakeup-related message
  USB / PCI / PM: Allow the PCI core to do the resume cleanup
  ACPI / PM: Run wakeup notify handlers synchronously

Conflicts:
	drivers/base/power/main.c
2017-07-03 14:23:09 +02:00
Rafael J. Wysocki
9a5f2c871a Merge branches 'pm-domains', 'pm-avs' and 'powercap'
* pm-domains:
  PM / Domains: Fix missing default_power_down_ok comment
  PM / Domains: Fix unsafe iteration over modified list of domains
  PM / Domains: Fix unsafe iteration over modified list of domain providers
  PM / Domains: Fix unsafe iteration over modified list of device links
  PM / Domains: Handle safely genpd_syscore_switch() call on non-genpd device
  PM / Domains: Call driver's noirq callbacks
  PM / Domains: Constify genpd pointer
  PM / Domains: pdd->dev can't be NULL in genpd_dev_pm_qos_notifier()

* pm-avs:
  PM / AVS: rockchip-io: add io selectors and supplies for rk3228

* powercap:
  powercap/RAPL: prevent overridding bits outside of the mask
2017-07-03 14:22:34 +02:00
Rafael J. Wysocki
fb0356c478 Merge branches 'pm-core', 'pm-opp' and 'pm-qos'
* pm-core:
  PM / sysfs: Constify attribute groups
  PM: Constify info string used in messages
  PM: Constify returned PM event name
  PM / wakeirq: Convert to SRCU

* pm-opp:
  PM / OPP: Add dev_pm_opp_{set|put}_clkname()
  PM / OPP: Use - instead of @ for DT entries
  PM / OPP: Don't create debugfs "supply-0" directory unnecessarily
  PM / OPP: opp-microvolt is not optional if regulators are set
  PM / OPP: Don't create copy of regulators unnecessarily
  PM / OPP: Reorganize _generic_set_opp_regulator()

* pm-qos:
  PM / QoS: constify *_attribute_group.
2017-07-03 14:22:05 +02:00
Rafael J. Wysocki
f1c7842e5f Merge branches 'pm-cpufreq', 'intel_pstate' and 'pm-cpuidle'
* pm-cpufreq:
  cpufreq / CPPC: Initialize policy->min to lowest nonlinear performance
  cpufreq: sfi: make freq_table static
  cpufreq: exynos5440: Fix inconsistent indenting
  cpufreq: imx6q: imx6ull should use the same flow as imx6ul
  cpufreq: dt: Add support for hi3660

* intel_pstate:
  cpufreq: Update scaling_cur_freq documentation
  cpufreq: intel_pstate: Clean up after performance governor changes
  intel_pstate: skip scheduler hook when in "performance" mode
  intel_pstate: delete scheduler hook in HWP mode
  x86: use common aperfmperf_khz_on_cpu() to calculate KHz using APERF/MPERF
  cpufreq: intel_pstate: Remove max/min fractions to limit performance
  x86: do not use cpufreq_quick_get() for /proc/cpuinfo "cpu MHz"

* pm-cpuidle:
  cpuidle: menu: allow state 0 to be disabled
  intel_idle: Use more common logging style
  x86/ACPI/cstate: Allow ACPI C1 FFH MWAIT use on AMD systems
  ARM: cpuidle: Support asymmetric idle definition
2017-07-03 14:21:18 +02:00
Keiji Hayashibara
e7bf02895f watchdog: uniphier: add UniPhier watchdog driver
Add a watchdog driver for Socionext UniPhier series SoC.
Note that the timeout value for this device must be a power
of 2 because of the specification.

Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-07-03 13:58:55 +02:00
Keiji Hayashibara
e75bf0ea77 dt-bindings: watchdog: add description for UniPhier WDT controller
Add uniphier-wdt dt-bindings documentation.

Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-07-03 13:53:51 +02:00
Peter Feiner
ac8d57e573 kvm: x86: mmu: allow A/D bits to be disabled in an mmu
Adds the plumbing to disable A/D bits in the MMU based on a new role
bit, ad_disabled. When A/D is disabled, the MMU operates as though A/D
aren't available (i.e., using access tracking faults instead).

To avoid SP -> kvm_mmu_page.role.ad_disabled lookups all over the
place, A/D disablement is now stored in the SPTE. This state is stored
in the SPTE by tweaking the use of SPTE_SPECIAL_MASK for access
tracking. Rather than just setting SPTE_SPECIAL_MASK when an
access-tracking SPTE is non-present, we now always set
SPTE_SPECIAL_MASK for access-tracking SPTEs.

Signed-off-by: Peter Feiner <pfeiner@google.com>
[Use role.ad_disabled even for direct (non-shadow) EPT page tables.  Add
 documentation and a few MMU_WARN_ONs. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-07-03 11:19:54 +02:00
Matteo Croce
75674c4cbb Documentation: fix wrong example command
In the IPVLAN documentation there is an example command line where the
master and slave interface names are inverted.
Fix the command line and also add the optional `name' keyword to better
describe what the command is doing.

v2: added commit message

Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-03 02:08:34 -07:00
Steffen Trumtrar
d9c033a134 watchdog: bindings: dw_wdt: add reset lines
Document the reset lines holding the watchdog core in reset.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-watchdog@vger.kernel.org
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2017-07-03 10:52:01 +02:00
Paolo Bonzini
8a53e7e572 Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD
- Better machine check handling for HV KVM
- Ability to support guests with threads=2, 4 or 8 on POWER9
- Fix for a race that could cause delayed recognition of signals
- Fix for a bug where POWER9 guests could sleep with interrupts
  pending.
2017-07-03 10:41:59 +02:00
Wolfram Sang
a8d992d8f8 PCI: rcar: Use proper name for the R-Car SoC
It is 'R-Car', not 'RCar'. No code or binding changes, only descriptive
text.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
2017-07-02 18:45:31 -05:00
John Crispin
90d52d57cc PCI: qcom: Add support for IPQ4019 PCIe controller
Add support for the IPQ4019 PCIe controller.  IPQ4019 supports Gen 1/2, one
lane, one PCIe root complex with support for MSI and legacy interrupts, and
it conforms to PCI Express Base 2.1 specification.

The core init is the same as for the MSM8996, however the clocks and reset
lines differ.

[bhelgaas: fix qcom_pcie_get_resources_v3(), qcom_pcie_init_v3() compile
issues]
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Acked-by: Rob Herring <robh@kernel.org>		# binding
2017-07-02 18:45:08 -05:00
Quentin Schulz
c26ebe98a1 PCI: imx6: Add regulator support
Some boards might require to control a regulator to power the PCIe port.

Add support for an optional regulator defined in Device Tree linked in the
PCIe controller under `vpcie-supply`.  If present, the regulator will be
disabled and then enabled as part of the PCIe host initialization process
and will be disabled when shutting down.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
[bhelgaas: use dev_err() instead of pr_err() in
imx6_pcie_assert_core_reset()]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
2017-07-02 18:43:39 -05:00
Linus Walleij
d1ef28900d PCI: faraday: Add clock bindings
The Faraday FTPCI100 controller has two clock ports, PCLK and PCICLK.  Add
bindings for these two clocks so we can assign them in the device tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-07-02 18:42:35 -05:00
Takashi Sakamoto
d8b53bff0a ALSA: pcm: add a documentation for tracepoints
In PCM interface/protocol for userspace, parameters of runtime for PCM
substream is decided by an interaction between applications and ALSA
PCM core. In former commits, some tracepoints were added to probe a part
of the interaction.

This commit adds a documentation about the interaction and the
tracepoints.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-07-02 11:15:52 +02:00
David S. Miller
283131d20e NFC 4.13 pull request
This is the NFC pull requesy for 4.13. We have:
 
 - A conversion to unified device and GPIO APIs for the
   fdp, pn544, and st{21,-nci} drivers.
 - A fix for NFC device IDs allocation.
 - A fix for the nfcmrvl driver firmware download mechanism.
 - A trf7970a DT and GPIO cleanup and clock setting fix.
 - A few fixes for potential overflows in the digital and LLCP code.
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Merge tag 'nfc-next-4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next

Samuel Ortiz says:

====================
NFC 4.13 pull request

This is the NFC pull requesy for 4.13. We have:

- A conversion to unified device and GPIO APIs for the
  fdp, pn544, and st{21,-nci} drivers.
- A fix for NFC device IDs allocation.
- A fix for the nfcmrvl driver firmware download mechanism.
- A trf7970a DT and GPIO cleanup and clock setting fix.
- A few fixes for potential overflows in the digital and LLCP code.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-01 14:30:39 -07:00
Stephen Boyd
3cf50f6b13 Merge branch 'binding-doc-cp110-ap806' of git://git.infradead.org/linux-mvebu into clk-next
* 'binding-doc-cp110-ap806' of git://git.infradead.org/linux-mvebu:
  gpio: dt-bindings: Add documentation for gpio controllers on Armada 7K/8K
  pinctrl: dt-bindings: add documentation for CP110 pin controllers
  pinctrl: dt-bindings: add documentation for AP806 pin controllers
  dt-bindings: cp110: add sdio clock to cp-110 system controller
  dt-bindings: cp110: introduce a new binding
  dt-bindings: cp110: do not depend anymore of the *-clock-output-names
2017-06-30 12:23:05 -07:00
Rafal Ozieblo
08729fdedf net: macb: Add tsu_clk to device tree
Signed-off-by: Rafal Ozieblo <rafalo@cadence.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-30 13:11:42 -04:00
David S. Miller
b079115937 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
A set of overlapping changes in macvlan and the rocker
driver, nothing serious.

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-30 12:43:08 -04:00
Frank Rowand
5e1743c0af of: document /sys/firmware/fdt
Add ABI documentation for /sys/firmware/fdt

Update contact email for /sys/firmware/devicetree/* and add mail list

Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Acked-by: Grant Likely <grant.likely@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-06-30 09:16:51 -05:00
Palmer Dabbelt
ce437750e8 dt-bindings: Add RISC-V vendor prefix
RISC-V systems use device tree to specify the memory layout of the
system.  This patch reserves the "riscv" vendor prefix, which will be
used for devices that are specified by the various RISC-V ISA
specifications.

Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-06-30 09:16:50 -05:00
Shawn Guo
a0c683d734 ASoC: audio-graph-card: update bindings for amplifier support
The audio-graph-card should be able to support widgets and routing in
the same way as what simple-audio-card does.  The patch adds the
properties into audio-graph-card bindings.  Then an optional property
'pa-gpios' for controlling external amplifier, which depends on DAPM
widgets and routing, is added.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-30 12:37:02 +01:00
John Hsu
fc3ba81a5a ASoC: nau8825: change crosstalk-bypass property to bool type
The property type of "nuvoton,crosstalk-bypass" changes to boolean.
The document is updated as well.

Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: John Hsu <supercraig0719@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-30 11:57:45 +01:00
Liam Girdwood
8a70b4544e ASoC: dapm: Add new widget type for constructing DAPM graphs on DSPs.
Add some DAPM widget types to better support the construction of DAPM
graphs within DSPs.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-30 11:55:20 +01:00
Paolo Bonzini
04a7ea04d5 KVM/ARM updates for 4.13
- vcpu request overhaul
 - allow timer and PMU to have their interrupt number
   selected from userspace
 - workaround for Cavium erratum 30115
 - handling of memory poisonning
 - the usual crop of fixes and cleanups
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Merge tag 'kvmarm-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/ARM updates for 4.13

- vcpu request overhaul
- allow timer and PMU to have their interrupt number
  selected from userspace
- workaround for Cavium erratum 30115
- handling of memory poisonning
- the usual crop of fixes and cleanups

Conflicts:
	arch/s390/include/asm/kvm_host.h
2017-06-30 12:38:26 +02:00
Nicholas Piggin
799c434154 kbuild: thin archives make default for all archs
Make thin archives build the default, but keep the config option
to allow exemptions if any breakage can't be quickly solved.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-30 09:03:05 +09:00
Nicholas Piggin
3a166fc2d4 kbuild: handle libs-y archives separately from built-in.o archives
The thin archives build currently puts all lib.a and built-in.o
files together and links them with --whole-archive.

This works because thin archives can recursively refer to thin
archives. However some architectures include libgcc.a, which may
not be a thin archive, or it may not be constructed with the "P"
option, in which case its contents do not get linked correctly.

So don't pull .a libs into the root built-in.o archive. These
libs should already have symbol tables and indexes built, so they
can be direct linker inputs. Move them out of the --whole-archive
option, which restore the conditional linking behaviour of lib.a
to thin archives builds.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-30 09:03:03 +09:00
Rafael J. Wysocki
8183003e48 cpufreq: Update scaling_cur_freq documentation
Commit f8475cef90 "x86: use common aperfmperf_khz_on_cpu() to
calculate KHz using APERF/MPERF" modified the way the scaling_cur_freq
cpufreq policy attribute in sysfs is handled on contemporary
Intel-based x86 systems, so update the documentation to reflect
that change.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-29 23:26:15 +02:00
Rafael J. Wysocki
fab24dcc39 cpufreq: intel_pstate: Clean up after performance governor changes
After commit 82b4e03e01 (intel_pstate: skip scheduler hook when in
"performance" mode) get_target_pstate_use_performance() and
get_target_pstate_use_cpu_load() are never called if scaling_governor
is "performance", so drop the CPUFREQ_POLICY_PERFORMANCE checks from
them as they will never trigger anyway.

Moreover, the documentation needs to be updated to reflect the change
made by the above commit, so do that too.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2017-06-29 23:25:15 +02:00
Arnd Bergmann
ffe3744a59 Actions Semi SoC drivers for 4.13
This adds clock source and power domain drivers for S500/S900.
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Merge tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/drivers

Pull "Actions Semi SoC drivers for 4.13" from Andreas Färber:

This adds clock source and power domain drivers for S500/S900.

* tag 'actions-drivers-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
  clocksource: owl: Add S900 support
  clocksource: Add Owl timer
2017-06-29 17:34:57 +02:00
Arnd Bergmann
c070d6ba25 Actions Semi ARM SoC for v4.13 #2
This adds SMP code to bring up the remaining S500 CPU cores
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Merge tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/soc

Pull "Actions Semi ARM SoC for v4.13 #2" from Andreas Färber:

This adds SMP code to bring up the remaining S500 CPU cores
by reusing a helper factored out of the SPS power domains driver.

* tag 'actions-arm-soc+sps-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
2017-06-29 17:33:41 +02:00
Arnd Bergmann
30c2a65828 Actions Semi ARM64 based SoC DT for 4.13
This adds an initial DT for the S900 SoC and a devboard based on it.
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Merge tag 'actions-arm64-dt-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/dt64

Pull "Actions Semi ARM64 based SoC DT for 4.13" from Andreas Färber:

This adds an initial DT for the S900 SoC and a devboard based on it.

* tag 'actions-arm64-dt-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  arm64: dts: Add Actions Semi S900 and Bubblegum-96
  dt-bindings: Add vendor prefix for uCRobotics
2017-06-29 17:16:12 +02:00
Shawn Lin
fca0c33003 dt-bindings: rockchip-dw-mshc: add optional rockchip, desired-num-phases
By default, dw_mmc-rockchip will execute tuning for each degree.
So we won't miss every point of the good sample windows. However,
probably the phases are linear inside the good sample window.
Actually we don't need to do tuning for each degree so that we could
save some time, for instance, probe the driver or resume from S3.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-06-29 17:13:09 +02:00
Dong Aisheng
f2422fe437 dt-bindings: serial: fsl-lpuart: add i.MX7ULP support
The lpuart of imx7ulp is basically the same as ls1021a. It's also
32 bit width register, but unlike ls1021a, it's little endian.
Besides that, imx7ulp lpuart has a minor different register layout
from ls1021a.

Cc: devicetree@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Mingkai Hu <Mingkai.Hu@nxp.com>
Cc: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-29 17:12:33 +02:00
Arnd Bergmann
0c6cda5839 Actions Semi ARM based SoC DT for v4.13
This adds an initial DT for the S500 SoC and a devboard based on it.
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Merge tag 'actions-arm-dt-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions into next/dt

Pull "Actions Semi ARM based SoC DT for v4.13" from Andreas Färber:

This adds an initial DT for the S500 SoC and a devboard based on it.

* tag 'actions-arm-dt-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/afaerber/linux-actions:
  ARM: dts: owl-s500: Add SPS node
  ARM: dts: owl-s500: Set CPU enable-method
  dt-bindings: arm: cpus: Add S500 enable-method
  ARM: dts: Add Actions Semi S500 and LeMaker Guitar
  dt-bindings: arm: Document Actions Semi S900
  dt-bindings: timer: Document Owl timer
  dt-bindings: arm: Document Actions Semi S500
  dt-bindings: Add vendor prefix for Actions Semi
2017-06-29 17:09:58 +02:00
Nandor Han
a3015affdf serial: imx-serial - move DMA buffer configuration to DT
The size of the DMA buffer can affect the delta time between data being
produced and data being consumed. Basically the DMA system will move
data to tty buffer when a) DMA buffer is full b) serial line is idle.
The situation is visible when producer generates data continuously and
there is no possibility for idle line. At this point the DMA buffer is
directly affecting the delta time.

The patch will add the possibility to configure the DMA buffers in DT,
which case by case can be configured separately for every driver
instance. The DT configuration is optional and in case missing the
driver will use the 4096 buffer with 4 periods (as before), therefore no
clients are impacted by this change.

Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-29 17:08:01 +02:00
Arnd Bergmann
6d599c8d35 Amlogic 64-bit DT changes for v4.13 (round 2)
- support new SPI controller driver
 - several more leaf clocks exposed to DT
 - New board: S905x LibreTech CC board
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Merge tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt64

Pull "Amlogic 64-bit DT changes for v4.13 (round 2)" from Kevin Hilman:

- support new SPI controller driver
- several more leaf clocks exposed to DT
- New board: S905x LibreTech CC board

* tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: dts: meson-gxl: Add Libre Technology CC support
  dt-bindings: arm: amlogic: Add Libre Technology CC board
  dt-bindings: add Libre Technology vendor prefix
  ARM64: dts: meson-gx: Add SPICC nodes
  clk: meson-gxbb: un-export the CPU clock
  clk: meson-gxbb: expose UART clocks
  clk: meson-gxbb: expose SPICC gate
  clk: meson-gxbb: expose spdif master clock
  clk: meson-gxbb: expose i2s master clock
  clk: meson-gxbb: expose spdif clock gates
2017-06-29 16:59:54 +02:00
Varadarajan Narayanan
d2a2c80815 pinctrl: qcom: Add ipq8074 pinctrl driver
Add initial pinctrl driver to support pin configuration with
pinctrl framework for ipq8074.

Signed-off-by: Manoharan Vijaya Raghavan <mraghava@codeaurora.org>
Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-06-29 15:12:40 +02:00
Linus Walleij
df81b9411a pinctrl: sh-pfc: Updates for v4.13 (take two)
- Add SCIF1 and SCIF2 pin groups for R-Car V2H,
   - Add EtherAVB, DU parallel RGB output, and PWM pin groups for R-Car
     H3 ES2.0,
   - Add pin and gpio controller support for RZ/A1.
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Merge tag 'sh-pfc-for-v4.13-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: sh-pfc: Updates for v4.13 (take two)

  - Add SCIF1 and SCIF2 pin groups for R-Car V2H,
  - Add EtherAVB, DU parallel RGB output, and PWM pin groups for R-Car
    H3 ES2.0,
  - Add pin and gpio controller support for RZ/A1.
2017-06-29 15:05:51 +02:00
Dong Aisheng
857f9dc3f6 pinctrl: DT: extend the pinmux property to support integers array
Some platforms may need more than one integer to represent a complete
pinmux binding, so let's extend the pinmux property to allow to accept
integer array instead of only a single integer.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Shawn Guo <shawnguo@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-06-29 14:35:00 +02:00
Jacopo Mondi
425562429d pinctrl: generic: Add output-enable property
Add output-enable generic pin configuration property.
This properties allows enabling/disabling pin's output capabilities
without actually driving any value on the line.

Acked-by: Rob Herring <robh@kernel.org>
[Added inline elaborations on buffer enabling/disabling]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-06-29 14:30:49 +02:00
Linus Walleij
6183061967 Linux 4.12-rc7
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Merge tag 'v4.12-rc7' into devel

Linux 4.12-rc7
2017-06-29 14:27:39 +02:00
Biju Das
85bb4646f8 gpio: rcar: Add R8A7743 (RZ/G1M) support
Renesas RZ/G1M (R8A7743) SoC GPIO blocks are identical to the R-Car Gen2
family. Add support for its GPIO controllers.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-06-29 14:22:38 +02:00
Lorenzo Pieralisi
5c3f18cce0 PCI: Add devm_pci_alloc_host_bridge() interface
Struct pci_host_bridge can be allocated by PCI host bridge drivers which
usually allocate and map memory through devm managed interfaces.

Add a devm version for the pci_alloc_host_bridge() interface to simplify
PCI host controller driver porting and simplify the driver failure paths.

Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
2017-06-28 15:13:53 -05:00
John Stultz
7204e97685 drm: adv7511_audio: Add .get_dai_id callback to map port number to dai id
ALSA SoC needs to know connected DAI ID for probing. Using
the new audio-card-graph approach, ports/endpoints are used
to describe how the links are connected. Unfortunately, since
ports/endpoints are used as well for video linkages, there
are some issues mixing the port ids to the two (video and
audio) namespaces.

To solve this issue, this patch adds new .get_dai_id callback
on hdmi_codec_ops.

The will assume that HDMI audio out will be connected to
reg = <2>. This will then be remapped to the ALSA SoC side will
as DAI 0. Allowing the adv7511's hdmi audio support to be used
with the audio-card-graph.

Credit to Kuninori Morimoto who's patch to dw-hdmi-i2s-audio.c
was what this was mostly copy-pasted from.

Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-28 21:00:08 +01:00
Kuninori Morimoto
e3839bd6f5 drm: dw-hdmi-i2s: add .get_dai_id callback for ALSA SoC
ALSA SoC needs to know connected DAI ID for probing.
It is not a big problem if device/driver was only for sound,
but getting DAI ID will be difficult if device includes both
Video/Sound, like HDMI.
To solve this issue, this patch adds new .get_dai_id callback
on hdmi_codec_ops.
dw-hdmi-i2s will assume that HDMI sound will be connected
to reg = <2>. Then, ALSA SoC side will recognized it as DAI 0

	ports {
		#address-cells = <1>;
		#size-cells = <0>;
		port@0 {
			reg = <0>;
			/* HDMI Video IN */
		};
		port@1 {
			reg = <1>;
			/* HDMI OUT */
		};
		port@2 {
			reg = <2>;
			/* HDMI Sound IN */
		};
	};

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-28 20:46:39 +01:00
Amelie Delaunay
5fd3d94332 spi: stm32: fix example with st, spi-midi-ns property
This patch aligns example with the optional property description,
removes status and replace spidev unvalid compatible with
Aarvark SPI Host Adapter one.

In slave mode, Aardvark SPI Host Adapter requires 4ms delay
between the end of byte n and the start of byte n+1, hence the
use of the optional property st,spi-midi-ns.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-28 20:00:48 +01:00
Amelie Delaunay
567300d11e spi: stm32: use SoC specific compatible
This patch replaces st,stm32-spi compatible with st,stm32h7-spi SoC
specific compatible and updates the example accondingly.

Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-06-28 20:00:45 +01:00
Tejun Heo
5136f6365c cgroup: implement "nsdelegate" mount option
Currently, cgroup only supports delegation to !root users and cgroup
namespaces don't get any special treatments.  This limits the
usefulness of cgroup namespaces as they by themselves can't be safe
delegation boundaries.  A process inside a cgroup can change the
resource control knobs of the parent in the namespace root and may
move processes in and out of the namespace if cgroups outside its
namespace are visible somehow.

This patch adds a new mount option "nsdelegate" which makes cgroup
namespaces delegation boundaries.  If set, cgroup behaves as if write
permission based delegation took place at namespace boundaries -
writes to the resource control knobs from the namespace root are
denied and migration crossing the namespace boundary aren't allowed
from inside the namespace.

This allows cgroup namespace to function as a delegation boundary by
itself.

v2: Silently ignore nsdelegate specified on !init mounts.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Aravind Anbudurai <aru7@fb.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Eric Biederman <ebiederm@xmission.com>
2017-06-28 14:45:21 -04:00
Vladimir Murzin
93228b44c3 drivers: dma-coherent: Introduce default DMA pool
This patch introduces default coherent DMA pool similar to default CMA
area concept. To keep other users safe code kept under CONFIG_ARM.

Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Tested-by: Andras Szemzo <sza@esh.hu>
Tested-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-06-28 06:55:03 -07:00
Christoph Hellwig
63d36c9550 dma-mapping: replace dmam_alloc_noncoherent with dmam_alloc_attrs
dmam_alloc_noncoherent is a trivial wrapper around dmam_alloc_attrs,
that hardcodes one particular flag.  Make the devres code more
flexible by allowing the callers to pass arbitrary flags.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
2017-06-28 06:55:00 -07:00
Christoph Hellwig
03b643866d dma-mapping: remove dmam_free_noncoherent
This function was never used since it was added.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
2017-06-28 06:54:59 -07:00
Christoph Hellwig
f51f288e23 dma-mapping: remove DMA_ERROR_CODE
And update the documentation - dma_mapping_error has been supported
everywhere for a long time.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-06-28 06:54:37 -07:00
Joerg Roedel
0b25635bd4 Merge branch 'for-joerg/arm-smmu/updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu 2017-06-28 10:42:54 +02:00
Rafael J. Wysocki
de3ef1eb1c PM / core: Drop run_wake flag from struct dev_pm_info
The run_wake flag in struct dev_pm_info is used to indicate whether
or not the device is capable of generating remote wakeup signals at
run time (or in the system working state), but the distinction
between runtime remote wakeup and system wakeup signaling has always
been rather artificial.  The only practical reason for it to exist
at the core level was that ACPI and PCI treated those two cases
differently, but that's not the case any more after recent changes.

For this reason, get rid of the run_wake flag and, when applicable,
use device_set_wakeup_capable() and device_can_wakeup() instead of
device_set_run_wake() and device_run_wake(), respectively.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2017-06-28 01:52:52 +02:00
David Wu
1a99d0c796 PM / AVS: rockchip-io: add io selectors and supplies for rk3228
This adds the necessary data for handling io voltage domains on the rk3228.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28 00:40:17 +02:00
Chris Packham
e00ad7ef68 dt-bindings: add bindings for i2c-pca-platform
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-06-27 21:37:26 +02:00
Vincent Bernat
c017ce0a9a net: remove policy-routing.txt documentation
It dates back from 2.1.16 and is obsolete since 2.1.68 when the current
rule system has been introduced.

Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27 14:38:17 -04:00
Pantelis Antoniou
ce4fecf1fe vsprintf: Add %p extension "%pOF" for device tree
90% of the usage of device node's full_name is printing it out in a
kernel message. However, storing the full path for every node is
wasteful and redundant. With a custom format specifier, we can generate
the full path at run-time and eventually remove the full path from every
node.

For instance typical use is:
	pr_info("Frobbing node %s\n", node->full_name);

Which can be written now as:
	pr_info("Frobbing node %pOF\n", node);

'%pO' is the base specifier to represent kobjects with '%pOF'
representing struct device_node. Currently, struct device_node is the
only supported type of kobject.

More fine-grained control of formatting includes printing the name,
flags, path-spec name and others, explained in the documentation entry.

Originally written by Pantelis, but pretty much rewrote the core
function using existing string/number functions. The 2 passes were
unnecessary and have been removed. Also, updated the checkpatch.pl
check. The unittest code was written by Grant Likely.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-06-27 12:36:40 -05:00
Rafał Miłecki
80dc6e1cd8 dt-bindings: leds: document new trigger-sources property
Some LEDs can be related to a specific device(s) described in the DT.
This property allows specifying such relations. E.g. USB LED should
usually be used to indicate some USB port(s) state.

Please note this binding is designed to be generic and not influenced by
any operating system design. Linux developers may find "trigger" part a
bit confusing since in Linux triggers are separated drivers. It
shouldn't define the binding though (we shouldn't add an extra level of
indirection).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-27 17:56:59 +02:00
Gregory CLEMENT
1fa67c675f gpio: dt-bindings: Add documentation for gpio controllers on Armada 7K/8K
Document the device tree binding for the gpio controllers found on the
Marvell Armada 7K and Armada 8K SoCs.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2017-06-27 09:07:17 +02:00
Dave Airlie
6d61e70ccc Linux 4.12-rc7
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Backmerge tag 'v4.12-rc7' into drm-next

Linux 4.12-rc7

Needed at least rc6 for drm-misc-next-fixes, may as well go to rc7
2017-06-27 08:28:30 +10:00
Florian Fainelli
3fde00a014 dt-bindings: Document the Broadcom STB wake-up timer node
Document the binding for the Broadcom STB SoCs wake-up timer node
allowing the system to generate alarms and exit low power states.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-06-26 23:46:53 +02:00
Suman Anna
fd7c7041a4 dt-bindings: remoteproc: Add Keystone DSP remoteproc binding
Add the device tree bindings document for the Texas Instrument's
Keystone 2 DSP remoteproc devices.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Sam Nelson <sam.nelson@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-26 13:01:40 -07:00
Matthew R. Ochs
bc88ac47d5 scsi: cxlflash: Support AFU debug
Adopt the SISLite AFU debug capability to allow future CXL Flash
adapters the ability to better debug AFU issues. Update the SISLite
header with the changes necessary to support AFU debug operations
and create a host ioctl interface for user debug software. Also
update the cxlflash documentation to describe this new host ioctl.

Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-26 15:01:12 -04:00
Matthew R. Ochs
9cf43a3604 scsi: cxlflash: Support LUN provisioning
Adopt the SISLite AFU LUN provisioning capability to allow future CXL
Flash adapters the ability to better manage storage. Update the SISLite
header with the changes necessary to support LUN provision operations
and create a host ioctl interface for user LUN management software. Also
update the cxlflash documentation to describe this new host ioctl.

Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-26 15:01:12 -04:00
Matthew R. Ochs
d6e32f530d scsi: cxlflash: Introduce host ioctl support
As staging for supporting various host management functions, add a host
ioctl infrastructure to filter ioctl commands and perform operations that
are common for all host ioctls. Also update the cxlflash documentation to
create a new section for documenting host ioctls.

Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-26 15:01:11 -04:00
Uma Krishnan
c2c292f450 scsi: cxlflash: Handle AFU sync failures
AFU sync operations are not currently evaluated for failure. This is
acceptable for paths where there is not a dependency on the AFU being
consistent with the host. Examples include link reset events and LUN
cleanup operations. On paths where there is a dependency, such as a LUN
open, a sync failure should be acted upon.

In the event of AFU sync failures, either log or cleanup as appropriate for
operations that are dependent on a successful sync completion.

Update documentation to reflect behavior in the event of an AFU sync
failure.

Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-26 15:01:08 -04:00
Mauro Carvalho Chehab
fde662d9c3 kselftest.rst: do some adjustments after ReST conversion
Do some minor adjustments after ReST conversion:

- On most documents, we use prepend a "$ " before
  command line arguments;

- Prefer to use :: on the preceding line;

- Split a multi-paragraph description as such.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-06-26 10:26:45 -06:00
Sakari Ailus
4ee92289c2 media: docs-rst: Document EBUSY for VIDIOC_S_FMT
VIDIOC_S_FMT may return EBUSY if the device is streaming or there are
buffers allocated. Document this.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-26 07:57:09 -03:00
Greg Kroah-Hartman
dd36a2d9ad Second set of IIO new device support, features and cleanups for the 4.13 cycle.
A few reverts here. One was a general failure to notice a device was already
 supported by another driver.  The second is due to a review comment pointing
 out that the original patch was a bad idea and would break existing systems.
 
 Reverts
 * bma180
   - Revert addition of support for the BMA250E it is already supported by
     the bmc150-accel and better supported at that. Oops.
 * hi8435
   - The fix for cleanup of the reset gpio stuff isn't a good way to go.  It
     breaks systems where an inverting level convertor is used.  The right fix
     is to make the original devicetree correct - even if it involves patching
     the devicetree in kernel.
 
 New Device Support
 * stm32-adc
   - STM32H7 support and bindings.
 
 Features
 * core
   - add a hardware triggered operating mode for systems in which the actual
     trigger is never seen by the kernel.  This is typically only used when
     a device 'can' use other triggers, but if a particular magic one is
     enabled the interrupt is effectively handled in hardware and we never see
     it.
 * st-lsm6dsx
   - support active low interrupts.
 * stm32-adc
   - Make the core adc clock optional as not all hardware supported requires it.
   - Make the bus clock optional in the per instance driver as it may be shared
     by all instances of the ADC and is handled by the core.
   - Rework to have a data structure representing the device type specific
     elements.
 * stm32-trigger (and counter)
   - Use the INDIO_HARDWARE_TRIGGERED_MODE where appropriate.
   - Add an attribute to configure device modes for quadrature counting etc.
 
 Clean ups and minor fixes
 * IIO core.
   - use __sysfs_match_string() helper rather than open coding the same.
 * ad7791
   - use sysfs_match_string() helper rather than open coding the same.
 * aspeed-adc
   - handle return value of clk_prepare_enable
 * cpcap
   - Fix default register values and ensure the battery thermistor is enabled
     correctly.
   - Fix the reported die temperature where we can - docs are lacking.
   - Remove the hung interrupt quirk as no longer happens due to fix in the
     mfd driver.
 * hi8435
   - Remove &s from hi8435_info definition as unneeded and inconsistent.
 * hid-sensor-trgger
   - Add kconfig depends on IIO_BUFFER (fixes patch in previous series)
 * ina2xx
   - Make the use of iio_info_mask* elements consistent for all channels.
     This doesn't have any visible effect, but acts as clear documentation of
     which channels various resulting attributes apply to.
 * lpc32xx
   - handle the return value of clk_prepare_enable.
 * meson-saradc
   - NULL instead of 0 for pointer.
 * mma9551
   - use NULL for GPIO connection ID to aid implementation fo ACPI support.
     Here the connection ID doesn't actually tell us anything and it is much
     easier to deal with the driver if it's not there.
 * mpu6050
   - Fix lock issues through use of a local mux.
   - Replace sprintf with scnprintf as appropriate.
   - Check whoami against all known values.  This allows for a small number of
     boards where we are really fishing for the part not being present at all.
     It is unfortunately common to have undescribed changes to use newer chips.
     We paper over this but just emitting a warning for those cases as long as
     we know about.
 * mxs-lradc
   - Fix some non static warnings.
 * rcar-adc
   - Part of making the naming for this part consistent across the kernel.
 * st_accel
   - drop some spi_device_id entries for variants with no SPI support
 * st_magn
   - drop some spi_device_id entries for variants with no SPI support.
 * sx9500
   - Use devm_gpiod_get instead of indexed value with an index of 0 on all
     occasions.
 * twl4030
   - Drop unused twl4030_get_madc_conversion as callers removed now throughout
     kernel.
   - Unexport twl4030_madc_conversion() as no used only within this driver.
   - Drop twl4030_madc_user_params as not used now.
   - Drop twl4030_madc_request.func_cb as not used now.
   - Fold the twl4030-madc.h header into the driver as no longer used anywhere
     else in the kernel.
 * xilinx
   - Handle the return value of clk_prepare_enable
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Merge tag 'iio-for-4.13b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Second set of IIO new device support, features and cleanups for the 4.13 cycle.

A few reverts here. One was a general failure to notice a device was already
supported by another driver.  The second is due to a review comment pointing
out that the original patch was a bad idea and would break existing systems.

Reverts
* bma180
  - Revert addition of support for the BMA250E it is already supported by
    the bmc150-accel and better supported at that. Oops.
* hi8435
  - The fix for cleanup of the reset gpio stuff isn't a good way to go.  It
    breaks systems where an inverting level convertor is used.  The right fix
    is to make the original devicetree correct - even if it involves patching
    the devicetree in kernel.

New Device Support
* stm32-adc
  - STM32H7 support and bindings.

Features
* core
  - add a hardware triggered operating mode for systems in which the actual
    trigger is never seen by the kernel.  This is typically only used when
    a device 'can' use other triggers, but if a particular magic one is
    enabled the interrupt is effectively handled in hardware and we never see
    it.
* st-lsm6dsx
  - support active low interrupts.
* stm32-adc
  - Make the core adc clock optional as not all hardware supported requires it.
  - Make the bus clock optional in the per instance driver as it may be shared
    by all instances of the ADC and is handled by the core.
  - Rework to have a data structure representing the device type specific
    elements.
* stm32-trigger (and counter)
  - Use the INDIO_HARDWARE_TRIGGERED_MODE where appropriate.
  - Add an attribute to configure device modes for quadrature counting etc.

Clean ups and minor fixes
* IIO core.
  - use __sysfs_match_string() helper rather than open coding the same.
* ad7791
  - use sysfs_match_string() helper rather than open coding the same.
* aspeed-adc
  - handle return value of clk_prepare_enable
* cpcap
  - Fix default register values and ensure the battery thermistor is enabled
    correctly.
  - Fix the reported die temperature where we can - docs are lacking.
  - Remove the hung interrupt quirk as no longer happens due to fix in the
    mfd driver.
* hi8435
  - Remove &s from hi8435_info definition as unneeded and inconsistent.
* hid-sensor-trgger
  - Add kconfig depends on IIO_BUFFER (fixes patch in previous series)
* ina2xx
  - Make the use of iio_info_mask* elements consistent for all channels.
    This doesn't have any visible effect, but acts as clear documentation of
    which channels various resulting attributes apply to.
* lpc32xx
  - handle the return value of clk_prepare_enable.
* meson-saradc
  - NULL instead of 0 for pointer.
* mma9551
  - use NULL for GPIO connection ID to aid implementation fo ACPI support.
    Here the connection ID doesn't actually tell us anything and it is much
    easier to deal with the driver if it's not there.
* mpu6050
  - Fix lock issues through use of a local mux.
  - Replace sprintf with scnprintf as appropriate.
  - Check whoami against all known values.  This allows for a small number of
    boards where we are really fishing for the part not being present at all.
    It is unfortunately common to have undescribed changes to use newer chips.
    We paper over this but just emitting a warning for those cases as long as
    we know about.
* mxs-lradc
  - Fix some non static warnings.
* rcar-adc
  - Part of making the naming for this part consistent across the kernel.
* st_accel
  - drop some spi_device_id entries for variants with no SPI support
* st_magn
  - drop some spi_device_id entries for variants with no SPI support.
* sx9500
  - Use devm_gpiod_get instead of indexed value with an index of 0 on all
    occasions.
* twl4030
  - Drop unused twl4030_get_madc_conversion as callers removed now throughout
    kernel.
  - Unexport twl4030_madc_conversion() as no used only within this driver.
  - Drop twl4030_madc_user_params as not used now.
  - Drop twl4030_madc_request.func_cb as not used now.
  - Fold the twl4030-madc.h header into the driver as no longer used anywhere
    else in the kernel.
* xilinx
  - Handle the return value of clk_prepare_enable
2017-06-26 07:09:23 +02:00
David S. Miller
24a72b77f3 wireless-drivers-next patches for 4.13
New features and bug fixes to quite a few different drivers, but
 nothing really special standing out.
 
 What makes me happy that we have now more vendors actively
 contributing to upstream drivers. In this pull request we have patches
 from Broadcom, Intel, Qualcomm, Realtek and Redpine Signals, and I
 still have patches from Marvell and Quantenna pending in patchwork. Now
 that's something comparing to how things looked 11 years ago in Jeff
 Garzik's "State of the Union: Wireless" email:
 
 https://lkml.org/lkml/2006/1/5/671
 
 Major changes:
 
 wil6210
 
 * add low level RF sector interface via nl80211 vendor commands
 
 * add module parameter ftm_mode to load separate firmware for factory
   testing
 
 * support devices with different PCIe bar size
 
 * add support for PCIe D3hot in system suspend
 
 * remove ioctl interface which should not be in a wireless driver
 
 ath10k
 
 * go back to using dma_alloc_coherent() for firmware scratch memory
 
 * add per chain RSSI reporting
 
 brcmfmac
 
 * add support multi-scheduled scan
 
 * add scheduled scan support for specified BSSIDs
 
 * add support for brcm43430 revision 0
 
 wlcore
 
 * add wil1285 compatible
 
 rsi
 
 * add RS9113 USB support
 
 iwlwifi
 
 * FW API documentation improvements (for tools and htmldoc)
 
 * continuing work for the new A000 family
 
 * bump the maximum supported FW API to 31
 
 * improve the differentiation between 8000, 9000 and A000 families
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Merge tag 'wireless-drivers-next-for-davem-2017-06-25' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.13

New features and bug fixes to quite a few different drivers, but
nothing really special standing out.

What makes me happy that we have now more vendors actively
contributing to upstream drivers. In this pull request we have patches
from Broadcom, Intel, Qualcomm, Realtek and Redpine Signals, and I
still have patches from Marvell and Quantenna pending in patchwork. Now
that's something comparing to how things looked 11 years ago in Jeff
Garzik's "State of the Union: Wireless" email:

https://lkml.org/lkml/2006/1/5/671

Major changes:

wil6210

* add low level RF sector interface via nl80211 vendor commands

* add module parameter ftm_mode to load separate firmware for factory
  testing

* support devices with different PCIe bar size

* add support for PCIe D3hot in system suspend

* remove ioctl interface which should not be in a wireless driver

ath10k

* go back to using dma_alloc_coherent() for firmware scratch memory

* add per chain RSSI reporting

brcmfmac

* add support multi-scheduled scan

* add scheduled scan support for specified BSSIDs

* add support for brcm43430 revision 0

wlcore

* add wil1285 compatible

rsi

* add RS9113 USB support

iwlwifi

* FW API documentation improvements (for tools and htmldoc)

* continuing work for the new A000 family

* bump the maximum supported FW API to 31

* improve the differentiation between 8000, 9000 and A000 families
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25 14:45:34 -04:00
Mauro Carvalho Chehab
f91df2e4fc media: dtv-core.rst: complete description of a demod driver
A section talking about demod statistics implementation was
recently added, but it seemed to start from nowere, without
a previous description about how a demod driver would look
like.

Add such description, for completeness.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-25 12:40:54 -03:00
Mauro Carvalho Chehab
f495ab869a media: dtv-core.rst: add an introduction to FE kAPI
Instead of just start describing the kAPI functions, add
an introduction giving a general line about a DVB driver's
structure.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-25 12:40:41 -03:00
Tejun Heo
39fd64ae9f cgroup: "cgroup.subtree_control" should be writeable by delegatee
"cgroup.subtree_control" determines which resource types a cgroup
wants to control.  Unlike actual resource knobs, this is an attribute
which belongs to the cgroup itself instead of its parent and thus
should be writeable by the delegatee in a delegated cgroup.

Update delegation documentation accordingly.

Signed-off-by: Tejun Heo <tj@kernel.org>
2017-06-25 00:33:06 -04:00
Masahiro Yamada
39a33ff80a kbuild: remove cc-option-align
Documentation/kbuild/makefiles.txt says the change for align options
occurred at GCC 3.0, and Documentation/process/changes.rst says the
minimal supported GCC version is 3.2, so it should be safe to hard-code
-falign* options.

Fix the only user arch/x86/Makefile_32.cpu and remove cc-option-align.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
2017-06-25 12:43:00 +09:00
Mauro Carvalho Chehab
59a4fcf3a6 media: imx.rst: add it to v4l-drivers book
Avoid the following warning when building documentation:
	checking consistency... /devel/v4l/patchwork/Documentation/media/v4l-drivers/imx.rst:: WARNING: document isn't included in any toctree

While here, avoid placing all driver authors at just one line at
the html/pdf output.

Acked-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-24 13:50:09 -03:00
Mauro Carvalho Chehab
77f1f992f8 media: dtv-core.rst: explain how to get DVBv5 statistics
It is not trivial to implement the logic that collects DVBv5
statistics. As we're seein lately too many implementations
that are not quite right when reviewing patchsets, add a
detailed explanation, adding a few examples about the right
thing to be done.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-24 13:02:01 -03:00
Palmer Dabbelt
f5620df7e3 Documentation: atomic_ops.txt is core-api/atomic_ops.rst
I was reading the memory barries documentation in order to make sure the
RISC-V barries were correct, and I found a broken link to the atomic
operations documentation.

Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-06-24 08:13:43 -06:00
Ingo Molnar
1bc3cd4dfa Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-06-24 08:57:20 +02:00
Linus Torvalds
25b2398f5c A single GPIO patch fixing the compatible string for the
MVEBU PWM controller embedded in the GPIO controller before
 we release v4.12. Hopefully.
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Merge tag 'gpio-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fix from Linus Walleij:
 "A single GPIO patch fixing the compatible string for the MVEBU PWM
  controller embedded in the GPIO controller before we release v4.12.
  Hopefully"

* tag 'gpio-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: mvebu: change compatible string for PWM support
2017-06-23 17:40:41 -07:00
Viresh Kumar
b21569cf1d PM / OPP: Use - instead of @ for DT entries
Compiling the DT file with W=1, DTC warns like follows:

Warning (unit_address_vs_reg): Node /opp_table0/opp@1000000000 has a
unit name, but no reg property

Fix this by replacing '@' with '-' as the OPP nodes will never have a
"reg" property.

Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-24 01:28:52 +02:00
Jonathan Corbet
52b3f239bb Docs: clean up some DocBook loose ends
There were a few bits and pieces left over from the now-disused DocBook
toolchain; git rid of them.

Reported-by: Markus Heiser <markus.heiser@darmarit.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-06-23 14:17:38 -06:00
Konstantin Ryabitsev
61ca5fd192 Make the main documentation title less Geocities
This is probably the lamest patch ever, but then again "Welcome to The
Linux Kernel's documentation" is nearly equally lame. Really, we don't
need to "Welcome" people to the documentation, just tell them what the
site is about.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-06-23 14:02:27 -06:00
Jonathan Corbet
af648bbe94 Docs: Use kernel-figure in vidioc-g-selection.rst
...otherwise the PDF build fails when it can't find constraints.pdf.

Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-06-23 13:45:56 -06:00
Jonathan Corbet
82a1955162 Docs: fix table problems in ras.rst
Two table problems caused the PDF build to fail:

 - Evidently multirow cells are not appreciated in table headers,
   so remove such from the "CS Rows" table.

 - The logging message structure table was incorrectly formatted,
   with two "+" instead of "|".  The HTML build is forgiving of such
   things, but PDF is not.

Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-06-23 13:45:49 -06:00
Mauro Carvalho Chehab
633d612bda Docs: Fix breakage with Sphinx 1.5 and upper
Commit 85c21e5c3e (docs-rst: better adjust margins and font size) added a
\usepackage{geometry} that conflicts with another inclusion deep within the
dependencies with newer versions of Sphinx, causing the the PDF build to fail
with a "conflicting parameters" error.

Detect the Sphinx version, using sphinxsetup for Sphinx versions 1.5 and
upper.

Fixes: 85c21e5c3e
[jc: Tweaked logic to exclude 1.5.x for x < 3 ]
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-23 13:45:37 -06:00
Jonathan Corbet
cc11022191 Docs: Include the Latex "ifthen" package
Otherwise we get PDF build failures when LaTeX refused to acknowledge the
existence of \ifthenelse

Fixes: 41cff161fe
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-06-23 13:45:30 -06:00
Florian Fainelli
29b65f5f97 dt-bindings: Add "internal" as a valid 'phy-mode' property
A number of Ethernet MACs have internal Ethernet PHYs and the internal
wiring makes it so that this knowledge needs to be available using the
standard 'phy-mode' property.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-23 15:06:42 -04:00
Baoyou Xie
c0022504b5 dt: bindings: add documentation for zx2967 family i2c controller
This patch adds dt-binding documentation for zx2967 family
i2c controller.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-06-23 20:52:01 +02:00
Brendan Higgins
10a6218e38 i2c: aspeed: added documentation for Aspeed I2C driver
Added device tree binding documentation for Aspeed I2C busses.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-06-23 20:38:52 +02:00
Geetha Sowjanya
f935448acf iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126
Cavium ThunderX2 SMMU doesn't support MSI and also doesn't have unique irq
lines for gerror, eventq and cmdq-sync.

New named irq "combined" is set as a errata workaround, which allows to
share the irq line by register single irq handler for all the interrupts.

Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Geetha sowjanya <gakula@caviumnetworks.com>
[will: reworked irq equality checking and added SPI check]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-06-23 17:58:04 +01:00
shameer
99caf177f6 iommu/arm-smmu-v3: Enable ACPI based HiSilicon CMD_PREFETCH quirk(erratum 161010701)
HiSilicon SMMUv3 on Hip06/Hip07 platforms doesn't support CMD_PREFETCH
command. The dt based support for this quirk is already present in the
driver(hisilicon,broken-prefetch-cmd). This adds ACPI support for the
quirk using the IORT smmu model number.

Signed-off-by: shameer <shameerali.kolothum.thodi@huawei.com>
Signed-off-by: hanjun <guohanjun@huawei.com>
[will: rewrote patch]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-06-23 17:58:04 +01:00
Linu Cherian
e5b829de05 iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #74
Cavium ThunderX2 SMMU implementation doesn't support page 1 register space
and PAGE0_REGS_ONLY option is enabled as an errata workaround.
This option when turned on, replaces all page 1 offsets used for
EVTQ_PROD/CONS, PRIQ_PROD/CONS register access with page 0 offsets.

SMMU resource size checks are now based on SMMU option PAGE0_REGS_ONLY,
since resource size can be either 64k/128k.
For this, arm_smmu_device_dt_probe/acpi_probe has been moved before
platform_get_resource call, so that SMMU options are set beforehand.

Signed-off-by: Linu Cherian <linu.cherian@cavium.com>
Signed-off-by: Geetha Sowjanya <geethasowjanya.akula@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-06-23 17:58:03 +01:00
Andreas Färber
4ca3fbd981 dt-bindings: power: Add Owl SPS power domains
Define power domains for all non-reserved S500 power gates.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2017-06-23 17:42:31 +02:00
Arnd Bergmann
0281bafa39 bus: ARM CCN PMU driver updates
* Fixed missing module aliases, thus autoloading.
 * Use appropriate (c)allocation function for arrays of structures.
 * Add compatibility string (thus support) for CCN-502 variant.
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Merge tag 'ccn/fixes-for-4.13-v2' of git://git.linaro.org/people/pawel.moll/linux into next/fixes-non-critical

Pull "bus: ARM CCN PMU driver updates" from Paweł Moll:

* Fixed missing module aliases, thus autoloading.
* Use appropriate (c)allocation function for arrays of structures.
* Add compatibility string (thus support) for CCN-502 variant.

* tag 'ccn/fixes-for-4.13-v2' of git://git.linaro.org/people/pawel.moll/linux:
  bus: arm-ccn: Enable stats for CCN-502 interconnect
  dt-bindings: arm-ccn: Add bindings info for CCN-502 compatible string
  bus: arm-ccn: Use devm_kcalloc() in arm_ccn_probe()
  bus: arm-ccn: Fix module autoload
2017-06-23 17:06:09 +02:00
Velibor Markovski
6a7f6cf72b dt-bindings: arm-ccn: Add bindings info for CCN-502 compatible string
Add CCN-502 to the list of supported devices by ARM CCN PMU driver.

Signed-off-by: Velibor Markovski <velibor.markovski@broadcom.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2017-06-23 15:46:37 +01:00