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Author SHA1 Message Date
Dan Williams
23b9babb50 MAINTAINERS: list drivers/acpi/nfit/ files for libnvdimm sub-system 
Patches that update the drivers/acpi/nfit/ directory need to be copied
to the nvdimm mailing list. The drivers/acpi/nfit* glob has been broken
ever since the nfit driver source was refactored into multiple files
under the drivers/acpi/nfit/ directory.

Reported-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
 2017-07-17 11:43:59 -07:00
Linus Torvalds
568d135d33 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 
Pull MIPS updates from Ralf Baechle:
 "Boston platform support:
   - Document DT bindings
   - Add CLK driver for board clocks

  CM:
   - Avoid per-core locking with CM3 & higher
   - WARN on attempt to lock invalid VP, not BUG

  CPS:
   - Select CONFIG_SYS_SUPPORTS_SCHED_SMT for MIPSr6
   - Prevent multi-core with dcache aliasing
   - Handle cores not powering down more gracefully
   - Handle spurious VP starts more gracefully

  DSP:
   - Add lwx & lhx missaligned access support

  eBPF:
   - Add MIPS support along with many supporting change to add the
     required infrastructure

  Generic arch code:
   - Misc sysmips MIPS_ATOMIC_SET fixes
   - Drop duplicate HAVE_SYSCALL_TRACEPOINTS
   - Negate error syscall return in trace
   - Correct forced syscall errors
   - Traced negative syscalls should return -ENOSYS
   - Allow samples/bpf/tracex5 to access syscall arguments for sane
     traces
   - Cleanup from old Kconfig options in defconfigs
   - Fix PREF instruction usage by memcpy for MIPS R6
   - Fix various special cases in the FPU eulation
   - Fix some special cases in MIPS16e2 support
   - Fix MIPS I ISA /proc/cpuinfo reporting
   - Sort MIPS Kconfig alphabetically
   - Fix minimum alignment requirement of IRQ stack as required by
     ABI / GCC
   - Fix special cases in the module loader
   - Perform post-DMA cache flushes on systems with MAARs
   - Probe the I6500 CPU
   - Cleanup cmpxchg and add support for 1 and 2 byte operations
   - Use queued read/write locks (qrwlock)
   - Use queued spinlocks (qspinlock)
   - Add CPU shared FTLB feature detection
   - Handle tlbex-tlbp race condition
   - Allow storing pgd in C0_CONTEXT for MIPSr6
   - Use current_cpu_type() in m4kc_tlbp_war()
   - Support Boston in the generic kernel

  Generic platform:
   - yamon-dt: Pull YAMON DT shim code out of SEAD-3 board
   - yamon-dt: Support > 256MB of RAM
   - yamon-dt: Use serial* rather than uart* aliases
   - Abstract FDT fixup application
   - Set RTC_ALWAYS_BCD to 0
   - Add a MAINTAINERS entry

  core kernel:
   - qspinlock.c: include linux/prefetch.h

  Loongson 3:
   - Add support

  Perf:
   - Add I6500 support

  SEAD-3:
   - Remove GIC timer from DT
   - Set interrupt-parent per-device, not at root node
   - Fix GIC interrupt specifiers

  SMP:
   - Skip IPI setup if we only have a single CPU

  VDSO:
   - Make comment match reality
   - Improvements to time code in VDSO"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (86 commits)
  locking/qspinlock: Include linux/prefetch.h
  MIPS: Fix MIPS I ISA /proc/cpuinfo reporting
  MIPS: Fix minimum alignment requirement of IRQ stack
  MIPS: generic: Support MIPS Boston development boards
  MIPS: DTS: img: Don't attempt to build-in all .dtb files
  clk: boston: Add a driver for MIPS Boston board clocks
  dt-bindings: Document img,boston-clock binding
  MIPS: Traced negative syscalls should return -ENOSYS
  MIPS: Correct forced syscall errors
  MIPS: Negate error syscall return in trace
  MIPS: Drop duplicate HAVE_SYSCALL_TRACEPOINTS select
  MIPS16e2: Provide feature overrides for non-MIPS16 systems
  MIPS: MIPS16e2: Report ASE presence in /proc/cpuinfo
  MIPS: MIPS16e2: Subdecode extended LWSP/SWSP instructions
  MIPS: MIPS16e2: Identify ASE presence
  MIPS: VDSO: Fix a mismatch between comment and preprocessor constant
  MIPS: VDSO: Add implementation of gettimeofday() fallback
  MIPS: VDSO: Add implementation of clock_gettime() fallback
  MIPS: VDSO: Fix conversions in do_monotonic()/do_monotonic_coarse()
  MIPS: Use current_cpu_type() in m4kc_tlbp_war()
  ...
 2017-07-15 10:59:54 -07:00
Linus Torvalds
867eacd7fb Merge branch 'akpm' (patches from Andrew) 
Merge even more updates from Andrew Morton:

 - a few leftovers

 - fault-injector rework

 - add a module loader test driver

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  kmod: throttle kmod thread limit
  kmod: add test driver to stress test the module loader
  MAINTAINERS: give kmod some maintainer love
  xtensa: use generic fb.h
  fault-inject: add /proc/<pid>/fail-nth
  fault-inject: simplify access check for fail-nth
  fault-inject: make fail-nth read/write interface symmetric
  fault-inject: parse as natural 1-based value for fail-nth write interface
  fault-inject: automatically detect the number base for fail-nth write interface
  kernel/watchdog.c: use better pr_fmt prefix
  MAINTAINERS: move the befs tree to kernel.org
  lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int
  mm: fix overflow check in expand_upwards()
 2017-07-14 21:57:25 -07:00
Luis R. Rodriguez
d9c6a72d6f kmod: add test driver to stress test the module loader 
This adds a new stress test driver for kmod: the kernel module loader.
The new stress test driver, test_kmod, is only enabled as a module right
now.  It should be possible to load this as built-in and load tests
early (refer to the force_init_test module parameter), however since a
lot of test can get a system out of memory fast we leave this disabled
for now.

Using a system with 1024 MiB of RAM can *easily* get your kernel OOM
fast with this test driver.

The test_kmod driver exposes API knobs for us to fine tune simple
request_module() and get_fs_type() calls.  Since these API calls only
allow each one parameter a test driver for these is rather simple.
Other factors that can help out test driver though are the number of
calls we issue and knowing current limitations of each.  This exposes
configuration as much as possible through userspace to be able to build
tests directly from userspace.

Since it allows multiple misc devices its will eventually (once we add a
knob to let us create new devices at will) also be possible to perform
more tests in parallel, provided you have enough memory.

We only enable tests we know work as of right now.

Demo screenshots:

 # tools/testing/selftests/kmod/kmod.sh
kmod_test_0001_driver: OK! - loading kmod test
kmod_test_0001_driver: OK! - Return value: 256 (MODULE_NOT_FOUND), expected MODULE_NOT_FOUND
kmod_test_0001_fs: OK! - loading kmod test
kmod_test_0001_fs: OK! - Return value: -22 (-EINVAL), expected -EINVAL
kmod_test_0002_driver: OK! - loading kmod test
kmod_test_0002_driver: OK! - Return value: 256 (MODULE_NOT_FOUND), expected MODULE_NOT_FOUND
kmod_test_0002_fs: OK! - loading kmod test
kmod_test_0002_fs: OK! - Return value: -22 (-EINVAL), expected -EINVAL
kmod_test_0003: OK! - loading kmod test
kmod_test_0003: OK! - Return value: 0 (SUCCESS), expected SUCCESS
kmod_test_0004: OK! - loading kmod test
kmod_test_0004: OK! - Return value: 0 (SUCCESS), expected SUCCESS
kmod_test_0005: OK! - loading kmod test
kmod_test_0005: OK! - Return value: 0 (SUCCESS), expected SUCCESS
kmod_test_0006: OK! - loading kmod test
kmod_test_0006: OK! - Return value: 0 (SUCCESS), expected SUCCESS
kmod_test_0005: OK! - loading kmod test
kmod_test_0005: OK! - Return value: 0 (SUCCESS), expected SUCCESS
kmod_test_0006: OK! - loading kmod test
kmod_test_0006: OK! - Return value: 0 (SUCCESS), expected SUCCESS
XXX: add test restult for 0007
Test completed

You can also request for specific tests:

 # tools/testing/selftests/kmod/kmod.sh -t 0001
kmod_test_0001_driver: OK! - loading kmod test
kmod_test_0001_driver: OK! - Return value: 256 (MODULE_NOT_FOUND), expected MODULE_NOT_FOUND
kmod_test_0001_fs: OK! - loading kmod test
kmod_test_0001_fs: OK! - Return value: -22 (-EINVAL), expected -EINVAL
Test completed

Lastly, the current available number of tests:

 # tools/testing/selftests/kmod/kmod.sh --help
Usage: tools/testing/selftests/kmod/kmod.sh [ -t <4-number-digit> ]
Valid tests: 0001-0009

0001 - Simple test - 1 thread  for empty string
0002 - Simple test - 1 thread  for modules/filesystems that do not exist
0003 - Simple test - 1 thread  for get_fs_type() only
0004 - Simple test - 2 threads for get_fs_type() only
0005 - multithreaded tests with default setup - request_module() only
0006 - multithreaded tests with default setup - get_fs_type() only
0007 - multithreaded tests with default setup test request_module() and get_fs_type()
0008 - multithreaded - push kmod_concurrent over max_modprobes for request_module()
0009 - multithreaded - push kmod_concurrent over max_modprobes for get_fs_type()

The following test cases currently fail, as such they are not currently
enabled by default:

 # tools/testing/selftests/kmod/kmod.sh -t 0008
 # tools/testing/selftests/kmod/kmod.sh -t 0009

To be sure to run them as intended please unload both of the modules:

  o test_module
  o xfs

And ensure they are not loaded on your system prior to testing them.  If
you use these paritions for your rootfs you can change the default test
driver used for get_fs_type() by exporting it into your environment.  For
example of other test defaults you can override refer to kmod.sh
allow_user_defaults().

Behind the scenes this is how we fine tune at a test case prior to
hitting a trigger to run it:

cat /sys/devices/virtual/misc/test_kmod0/config
echo -n "2" > /sys/devices/virtual/misc/test_kmod0/config_test_case
echo -n "ext4" > /sys/devices/virtual/misc/test_kmod0/config_test_fs
echo -n "80" > /sys/devices/virtual/misc/test_kmod0/config_num_threads
cat /sys/devices/virtual/misc/test_kmod0/config
echo -n "1" > /sys/devices/virtual/misc/test_kmod0/config_num_threads

Finally to trigger:

echo -n "1" > /sys/devices/virtual/misc/test_kmod0/trigger_config

The kmod.sh script uses the above constructs to build different test cases.

A bit of interpretation of the current failures follows, first two
premises:

a) When request_module() is used userspace figures out an optimized
   version of module order for us.  Once it finds the modules it needs, as
   per depmod symbol dep map, it will finit_module() the respective
   modules which are needed for the original request_module() request.

b) We have an optimization in place whereby if a kernel uses
   request_module() on a module already loaded we never bother userspace
   as the module already is loaded.  This is all handled by kernel/kmod.c.

A few things to consider to help identify root causes of issues:

0) kmod 19 has a broken heuristic for modules being assumed to be
   built-in to your kernel and will return 0 even though request_module()
   failed.  Upgrade to a newer version of kmod.

1) A get_fs_type() call for "xfs" will request_module() for "fs-xfs",
   not for "xfs".  The optimization in kernel described in b) fails to
   catch if we have a lot of consecutive get_fs_type() calls.  The reason
   is the optimization in place does not look for aliases.  This means two
   consecutive get_fs_type() calls will bump kmod_concurrent, whereas
   request_module() will not.

This one explanation why test case 0009 fails at least once for
get_fs_type().

2) If a module fails to load --- for whatever reason (kmod_concurrent
   limit reached, file not yet present due to rootfs switch, out of
   memory) we have a period of time during which module request for the
   same name either with request_module() or get_fs_type() will *also*
   fail to load even if the file for the module is ready.

This explains why *multiple* NULLs are possible on test 0009.

3) finit_module() consumes quite a bit of memory.

4) Filesystems typically also have more dependent modules than other
   modules, its important to note though that even though a get_fs_type()
   call does not incur additional kmod_concurrent bumps, since userspace
   loads dependencies it finds it needs via finit_module_fd(), it *will*
   take much more memory to load a module with a lot of dependencies.

Because of 3) and 4) we will easily run into out of memory failures with
certain tests.  For instance test 0006 fails on qemu with 1024 MiB of RAM.
It panics a box after reaping all userspace processes and still not
having enough memory to reap.

[arnd@arndb.de: add dependencies for test module]
  Link: http://lkml.kernel.org/r/20170630154834.3689272-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/20170628223155.26472-3-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michal Marek <mmarek@suse.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-07-14 15:05:13 -07:00
Luis R. Rodriguez
062b87406d MAINTAINERS: give kmod some maintainer love 
As suggested by Jessica, I've been actively working on kmod, so might as
well reflect its maintained status.

Changes are expected to go through akpm's tree.

Link: http://lkml.kernel.org/r/20170628223155.26472-2-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Suggested-by: Jessica Yu <jeyu@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michal Marek <mmarek@suse.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-07-14 15:05:13 -07:00
Luis de Bethencourt
5624a8b00c MAINTAINERS: move the befs tree to kernel.org 
Update the location of the befs git tree and my email address.

Link: http://lkml.kernel.org/r/20170709110012.2991-1-luisbg@kernel.org
Signed-off-by: Luis de Bethencourt <luisbg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-07-14 15:05:13 -07:00
Linus Torvalds
ccd5d1b91f New IDT NTB driver and changes to the NTB infrastructure to allow for 
this different kind of NTB HW, some style fixes (per Greg KH
 recommendation), and some ntb_test tweaks.
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Merge tag 'ntb-4.13' of git://github.com/jonmason/ntb

Pull NTB updates from Jon Mason:
 "The major change in the series is a rework of the NTB infrastructure
  to all for IDT hardware to be supported (and resulting fallout from
  that). There are also a few clean-ups, etc.

  New IDT NTB driver and changes to the NTB infrastructure to allow for
  this different kind of NTB HW, some style fixes (per Greg KH
  recommendation), and some ntb_test tweaks"

* tag 'ntb-4.13' of git://github.com/jonmason/ntb:
  ntb_netdev: set the net_device's parent
  ntb: Add error path/handling to Debug FS entry creation
  ntb: Add more debugfs support for ntb_perf testing options
  ntb: Remove debug-fs variables from the context structure
  ntb: Add a module option to control affinity of DMA channels
  NTB: Add IDT 89HPESxNTx PCIe-switches support
  ntb_hw_intel: Style fixes: open code macros that just obfuscate code
  ntb_hw_amd: Style fixes: open code macros that just obfuscate code
  NTB: Add ntb.h comments
  NTB: Add PCIe Gen4 link speed
  NTB: Add new Memory Windows API documentation
  NTB: Add Messaging NTB API
  NTB: Alter Scratchpads API to support multi-ports devices
  NTB: Alter MW API to support multi-ports devices
  NTB: Alter link-state API to support multi-port devices
  NTB: Add indexed ports NTB API
  NTB: Make link-state API being declared first
  NTB: ntb_test: add parameter for doorbell bitmask
  NTB: ntb_test: modprobe on remote host
 2017-07-14 13:31:52 -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
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
a3ddacbae5 chrome-platform-for-linus-4.13 
Changes in this pull request are around catching up
 cros_ec with the internal chromeos-kernel versions of
 cros_ec, cros_ec_lpc, and cros_ec_lightbar.
 
 Also, switching maintainership from olof to bleung.
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Merge tag 'chrome-platform-for-linus-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform

Pull chrome platform updates from Benson Leung:
 "Changes in this pull request are around catching up cros_ec with the
  internal chromeos-kernel versions of cros_ec, cros_ec_lpc, and
  cros_ec_lightbar.

  Also, switching maintainership from olof to bleung"

* tag 'chrome-platform-for-linus-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
  platform/chrome : Add myself as Maintainer
  platform/chrome: cros_ec_lightbar - hide unused PM functions
  cros_ec: Don't signal wake event for non-wake host events
  cros_ec: Fix deadlock when EC is not responsive at probe
  cros_ec: Don't return error when checking command version
  platform/chrome: cros_ec_lightbar - Avoid I2C xfer to EC during suspend
  platform/chrome: cros_ec_lightbar - Add userspace lightbar control bit to EC
  platform/chrome: cros_ec_lightbar - Control of suspend/resume lightbar sequence
  platform/chrome: cros_ec_lightbar - Add lightbar program feature to sysfs
  platform/chrome: cros_ec_lpc: Add MKBP events support over ACPI
  platform/chrome: cros_ec_lpc: Add power management ops
  platform/chrome: cros_ec_lpc: Add support for GOOG004 ACPI device
  platform/chrome: cros_ec_lpc: Add support for mec1322 EC
  platform/chrome: cros_ec_lpc: Add R/W helpers to LPC protocol variants
  mfd: cros_ec: Add support for dumping panic information
  cros_ec_debugfs: Pass proper struct sizes to cros_ec_cmd_xfer()
  mfd: cros_ec: add debugfs, console log file
  mfd: cros_ec: Add EC console read structures definitions
  mfd: cros_ec: Add helper for event notifier.
 2017-07-11 09:55:47 -07:00
Paul Burton
6e62a88802 MIPS: generic: Support MIPS Boston development boards 
Add support for the MIPS Boston development board to generic kernels,
which essentially amounts to:

  - Adding the device tree source for the MIPS Boston board.

  - Adding a Kconfig fragment which enables the appropriate drivers for
    the MIPS Boston board.

With these changes in place generic kernels will support the board by
default, and kernels with only the drivers needed for Boston enabled can
be configured by setting BOARDS=boston during configuration. For
example:

  $ make ARCH=mips 64r6el_defconfig BOARDS=boston

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16485/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2017-07-11 14:13:06 +02:00
Paul Burton
6b0fd6c1a2 clk: boston: Add a driver for MIPS Boston board clocks 
Add a driver for the clocks provided by the MIPS Boston board from
Imagination Technologies. 2 clocks are provided - the system clock & the
CPU clock - and each is a simple fixed rate clock whose frequency can be
determined by reading a register provided by the board.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16483/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2017-07-11 14:13:06 +02:00
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
Luis R. Rodriguez
b689d4a72f MAINTAINERS: give proc sysctl some maintainer love 
We poke at proc sysctl enough that really we should declare it
maintained.  We'll just be Cc'd and sending updates / ACK'ing changes
through akpm's tree.

Link: http://lkml.kernel.org/r/20170524231305.8649-1-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-07-10 16:32:34 -07:00
Benson Leung
3c778a7fcf platform/chrome : Add myself as Maintainer 
I'll be taking over maintainership of platform/chrome from Olof,
so let's add me to the list of maintainers.

Signed-off-by: Benson Leung <bleung@chromium.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Olof Johansson <olof@lixom.net>
 2017-07-10 16:15:45 -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
Linus Torvalds
8d97a6c329 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull timers fixlet from Thomas Gleixner:
 "Add Frederic Weisbecker as NOHZ/dyntick maintainer"

[ And an unmentioned and unrelated typo fix in the same commit? Hmm.. ]

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  MAINTAINERS: Add Frederic Weisbecker as nohz/dyntics maintainer
 2017-07-09 11:18:59 -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
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
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
David S. Miller
6d03d67a86 net: Update networking MAINTAINERS entry. 
James and Patrick haven't been active in years.

Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-07-08 00:18:29 +01:00
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
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
Linus Torvalds
b6ffe9ba46 libnvdimm for 4.13 
* Introduce the _flushcache() family of memory copy helpers and use them
   for persistent memory write operations on x86. The _flushcache()
   semantic indicates that the cache is either bypassed for the copy
   operation (movnt) or any lines dirtied by the copy operation are
   written back (clwb, clflushopt, or clflush).
 
 * Extend dax_operations with ->copy_from_iter() and ->flush()
   operations. These operations and other infrastructure updates allow
   all persistent memory specific dax functionality to be pushed into
   libnvdimm and the pmem driver directly. It also allows dax-specific
   sysfs attributes to be linked to a host device, for example:
       /sys/block/pmem0/dax/write_cache
 
 * Add support for the new NVDIMM platform/firmware mechanisms introduced
   in ACPI 6.2 and UEFI 2.7. This support includes the v1.2 namespace
   label format, extensions to the address-range-scrub command set, new
   error injection commands, and a new BTT (block-translation-table)
   layout. These updates support inter-OS and pre-OS compatibility.
 
 * Fix a longstanding memory corruption bug in nfit_test.
 
 * Make the pmem and nvdimm-region 'badblocks' sysfs files poll(2)
   capable.
 
 * Miscellaneous fixes and small updates across libnvdimm and the nfit
   driver.
 
 Acknowledgements that came after the branch was pushed:
 
 commit 6aa734a2f3 "libnvdimm, region, pmem: fix 'badblocks'
   sysfs_get_dirent() reference lifetime"
 Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
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Merge tag 'libnvdimm-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "libnvdimm updates for the latest ACPI and UEFI specifications. This
  pull request also includes new 'struct dax_operations' enabling to
  undo the abuse of copy_user_nocache() for copy operations to pmem.

  The dax work originally missed 4.12 to address concerns raised by Al.

  Summary:

   - Introduce the _flushcache() family of memory copy helpers and use
     them for persistent memory write operations on x86. The
     _flushcache() semantic indicates that the cache is either bypassed
     for the copy operation (movnt) or any lines dirtied by the copy
     operation are written back (clwb, clflushopt, or clflush).

   - Extend dax_operations with ->copy_from_iter() and ->flush()
     operations. These operations and other infrastructure updates allow
     all persistent memory specific dax functionality to be pushed into
     libnvdimm and the pmem driver directly. It also allows dax-specific
     sysfs attributes to be linked to a host device, for example:
     /sys/block/pmem0/dax/write_cache

   - Add support for the new NVDIMM platform/firmware mechanisms
     introduced in ACPI 6.2 and UEFI 2.7. This support includes the v1.2
     namespace label format, extensions to the address-range-scrub
     command set, new error injection commands, and a new BTT
     (block-translation-table) layout. These updates support inter-OS
     and pre-OS compatibility.

   - Fix a longstanding memory corruption bug in nfit_test.

   - Make the pmem and nvdimm-region 'badblocks' sysfs files poll(2)
     capable.

   - Miscellaneous fixes and small updates across libnvdimm and the nfit
     driver.

  Acknowledgements that came after the branch was pushed: commit
  6aa734a2f3 ("libnvdimm, region, pmem: fix 'badblocks'
  sysfs_get_dirent() reference lifetime") was reviewed by Toshi Kani
  <toshi.kani@hpe.com>"

* tag 'libnvdimm-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (42 commits)
  libnvdimm, namespace: record 'lbasize' for pmem namespaces
  acpi/nfit: Issue Start ARS to retrieve existing records
  libnvdimm: New ACPI 6.2 DSM functions
  acpi, nfit: Show bus_dsm_mask in sysfs
  libnvdimm, acpi, nfit: Add bus level dsm mask for pass thru.
  acpi, nfit: Enable DSM pass thru for root functions.
  libnvdimm: passthru functions clear to send
  libnvdimm, btt: convert some info messages to warn/err
  libnvdimm, region, pmem: fix 'badblocks' sysfs_get_dirent() reference lifetime
  libnvdimm: fix the clear-error check in nsio_rw_bytes
  libnvdimm, btt: fix btt_rw_page not returning errors
  acpi, nfit: quiet invalid block-aperture-region warnings
  libnvdimm, btt: BTT updates for UEFI 2.7 format
  acpi, nfit: constify *_attribute_group
  libnvdimm, pmem: disable dax flushing when pmem is fronting a volatile region
  libnvdimm, pmem, dax: export a cache control attribute
  dax: convert to bitmask for flags
  dax: remove default copy_from_iter fallback
  libnvdimm, nfit: enable support for volatile ranges
  libnvdimm, pmem: fix persistence warning
  ...
 2017-07-07 09:44:06 -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
Linus Walleij
1d61d2592c rtc: gemini/ftrtc010: rename driver and symbols 
The Gemini RTC is actually a generic IP block from Faraday
Technology names FTRTC010. Rename the driver file and all
symbols to match this IP name.

The relationship can be clearly seen in the U-Boot driver
posted by Po-Yu Chuang for the Faraday A320 board:
https://lists.denx.de/pipermail/u-boot/2009-September/061326.html

Remove the dependency on ARCH_GEMINI but select the driver
for ARCH_GEMINI so we get a smooth transition. The IP block
is synthsized on different silicon and architectures.

Cc: Po-Yu Chuang <ratbert@faraday-tech.com>
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
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
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
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
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
bf2a952d31 NTB: Add IDT 89HPESxNTx PCIe-switches support 
IDT 89HPESxNTx device series is PCIe-switches, which support
Non-Transparent bridging between domains connected to the device ports.
Since new NTB API exposes multi-port interface and messaging API, the
IDT NT-functions can be now supported in the kernel. This driver adds
the following functionality:
1) Multi-port NTB API to have information of possible NT-functions
activated in compliance with available device ports.
2) Memory windows of direct and look up table based address translation
with all possible combinations of BARs setup.
3) Traditional doorbell NTB API.
4) One-on-one messaging NTB API.

There are some IDT PCIe-switch setups, which must be done before any of
the NTB peers started. It can be performed either by system BIOS via
IDT SMBus-slave interface or by pre-initialized IDT PCIe-switch EEPROM:
1) NT-functions of corresponding ports must be activated using
SWPARTxCTL and SWPORTxCTL registers.
2) BAR0 must be configured to expose NT-function configuration
registers map.
3) The rest of the BARs must have at least one memory window
configured, otherwise the driver will just return an error.
Temperature sensor of IDT PCIe-switches can be also optionally
activated by BIOS or EEPROM.
(See IDT documentations for details of how the pre-initialization can
be done)

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
Jeff Layton
84cbadadc6 lib: add errseq_t type and infrastructure for handling it 
An errseq_t is a way of recording errors in one place, and allowing any
number of "subscribers" to tell whether an error has been set again
since a previous time.

It's implemented as an unsigned 32-bit value that is managed with atomic
operations. The low order bits are designated to hold an error code
(max size of MAX_ERRNO). The upper bits are used as a counter.

The API works with consumers sampling an errseq_t value at a particular
point in time. Later, that value can be used to tell whether new errors
have been set since that time.

Note that there is a 1 in 512k risk of collisions here if new errors
are being recorded frequently, since we have so few bits to use as a
counter. To mitigate this, one bit is used as a flag to tell whether the
value has been sampled since a new value was recorded. That allows
us to avoid bumping the counter if no one has sampled it since it
was last bumped.

Later patches will build on this infrastructure to change how writeback
errors are tracked in the kernel.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: NeilBrown <neilb@suse.com>
Reviewed-by: Jan Kara <jack@suse.cz>
 2017-07-06 07:02:24 -04:00
Steve Twiss
340267640d MAINTAINERS: da9062/61 updates to the Dialog Semiconductor search terms 
Additions to search terms for files supported by Dialog Semiconductor.
This update will allow Dialog support to follow files for device tree
bindings (onkey, thermal and watchdog) and source code for chip thermal
monitoring drivers.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
 2017-07-06 08:29:12 +01:00
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
Ingo Molnar
86d35afb8e MAINTAINERS: Add Frederic Weisbecker as nohz/dyntics maintainer 
Frederic has been improving and maintaining the nohz/dynticks kernel features
for years, so make his de facto maintainership official.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2017-07-05 16:26:37 +02:00
Linus Torvalds
19964541c2 ARM: SoC 64-bit changes 
Changes to platform code for 64-bit ARM platforms.
 
 Andreas Färber adds two new platforms with initial code: Realtek RTD1295
 and Action Semi S900. Both are fairly similar chips, used mainly in
 set-top-boxes, but with other possible applications, and additional
 members in the respective product families that could be added in the
 future. The code here is fairly minimal, as all the interesting parts
 are in device drivers and dts files.
 
 The Broadcom Vulcan platform gets dropped, as no products ever became
 available, and Cavium integrated the platform under a new name.
 
 Among some other defconfig changes, Timur Tabi enables a number of
 options that are typically required for server platforms.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC 64-bit updates from Arnd Bergmann:
 "Changes to platform code for 64-bit ARM platforms.

  Andreas Färber adds two new platforms with initial code: Realtek
  RTD1295 and Action Semi S900. Both are fairly similar chips, used
  mainly in set-top-boxes, but with other possible applications, and
  additional members in the respective product families that could be
  added in the future. The code here is fairly minimal, as all the
  interesting parts are in device drivers and dts files.

  The Broadcom Vulcan platform gets dropped, as no products ever became
  available, and Cavium integrated the platform under a new name.

  Among some other defconfig changes, Timur Tabi enables a number of
  options that are typically required for server platforms"

* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: defconfig: remove duplicate entry
  arm64: defconfig: enable Qualcomm Technologies EMAC and some PHY drivers
  arm64: defconfig: enable QCOM_L2_PMU and QCOM_L3_PMU
  arm64: defconfig: enable EDAC options
  arm64: defconfig: enable APEI and GHES features
  arm64: defconfig: enable support for PCIe hotplug
  arm64: defconfig: enable EFI_CAPSULE_LOADER
  arm64: defconfig: enable BLK_DEV_NVME
  arm64: defconfig: enable ACPI_CPPC_CPUFREQ
  arm64: marvell: enable ICU and GICP drivers
  arm64: marvell: enable the Armada 7K/8K pinctrl driver
  arm64: Prepare Actions Semi S900
  ARM64: defconfig: enable meson SPICC as module
  ARM64: defconfig: enable IR core, decoders and Meson IR device
  arm64: defconfig: enable Simple Sound Card support
  arm64: defconfig: Enable ARCH_BRCMSTB
  arm64: defconfig: drop ARCH_VULCAN
  arm64: disable Broadcom Vulcan platform
  MAINTAINERS: Add Realtek section
  ARM64: Prepare Realtek RTD1295
 2017-07-04 14:53:26 -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
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
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