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Author SHA1 Message Date
Tejun Heo
e2f15f9a79 netconsole: implement extended console support 
printk logbuf keeps various metadata and optional key=value dictionary for
structured messages, both of which are stripped when messages are handed
to regular console drivers.

It can be useful to have this metadata and dictionary available to
netconsole consumers.  This obviously makes logging via netconsole more
complete and the sequence number in particular is useful in environments
where messages may be lost or reordered in transit - e.g.  when netconsole
is used to collect messages in a large cluster where packets may have to
travel congested hops to reach the aggregator.  The lost and reordered
messages can easily be identified and handled accordingly using the
sequence numbers.

printk recently added extended console support which can be selected by
setting CON_EXTENDED flag.  From console driver side, not much changes.
The only difference is that the text passed to the write callback is
formatted the same way as /dev/kmsg.

This patch implements extended console support for netconsole which can be
enabled by either prepending "+" to a netconsole boot param entry or
echoing 1 to "extended" file in configfs.  When enabled, netconsole
transmits extended log messages with headers identical to /dev/kmsg
output.

There's one complication due to message fragments.  netconsole limits the
maximum message size to 1k and messages longer than that are split into
multiple fragments.  As all extended console messages should carry
matching headers and be uniquely identifiable, each extended message
fragment carries full copy of the metadata and an extra header field to
identify the specific fragment.  The optional header is of the form
"ncfrag=OFF/LEN" where OFF is the byte offset into the message body and
LEN is the total length.

To avoid unnecessarily making printk format extended messages, Extended
netconsole is registered with printk when the first extended netconsole is
configured.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Miller <davem@davemloft.net>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Petr Mladek <pmladek@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:39 -07:00
Tejun Heo
6fe29354be printk: implement support for extended console drivers 
printk log_buf keeps various metadata for each message including its
sequence number and timestamp.  The metadata is currently available only
through /dev/kmsg and stripped out before passed onto console drivers.  We
want this metadata to be available to console drivers too so that console
consumers can get full information including the metadata and dictionary,
which among other things can be used to detect whether messages got lost
in transit.

This patch implements support for extended console drivers.  Consoles can
indicate that they want extended messages by setting the new CON_EXTENDED
flag and they'll be fed messages formatted the same way as /dev/kmsg.

 "<level>,<sequnum>,<timestamp>,<contflag>;<message text>\n"

If extended consoles exist, in-kernel fragment assembly is disabled.  This
ensures that all messages emitted to consoles have full metadata including
sequence number.  The contflag carries enough information to reassemble
the fragments from the reader side trivially.  Note that this only affects
/dev/kmsg.  Regular console and /proc/kmsg outputs are not affected by
this change.

* Extended message formatting for console drivers is enabled iff there
  are registered extended consoles.

* Comment describing /dev/kmsg message format updated to add missing
  contflag field and help distinguishing variable from verbatim terms.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Miller <davem@davemloft.net>
Cc: Kay Sievers <kay@vrfy.org>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:38 -07:00
Pratyush Anand
e34cadde3b Pratyush Anand has moved 
pratyush.anand@st.com email-id doesn't exist anymore as I have left the
company.  Replace ST's id with pratyush.anand@gmail.com.

Signed-off-by: Pratyush Anand <pratyush.anand@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:38 -07:00
Dan Streetman
c00ed16a9e zswap: runtime enable/disable 
Change the "enabled" parameter to be configurable at runtime.  Remove the
enabled check from init(), and move it to the frontswap store() function;
when enabled, pages will be stored, and when disabled, pages won't be
stored.

This is almost identical to Seth's patch from 2 years ago:
http://lkml.iu.edu/hypermail/linux/kernel/1307.2/04289.html

[akpm@linux-foundation.org: tweak documentation]
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Suggested-by: Seth Jennings <sjennings@variantweb.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:37 -07:00
Sergey Senozhatsky
6566d1a32b zram: add dynamic device add/remove functionality 
We currently don't support on-demand device creation.  The one and only
way to have N zram devices is to specify num_devices module parameter
(default value: 1).  IOW if, for some reason, at some point, user wants
to have N + 1 devies he/she must umount all the existing devices, unload
the module, load the module passing num_devices equals to N + 1.  And do
this again, if needed.

This patch introduces zram control sysfs class, which has two sysfs
attrs:
- hot_add      -- add a new zram device
- hot_remove   -- remove a specific (device_id) zram device

hot_add sysfs attr is read-only and has only automatic device id
assignment mode (as requested by Minchan Kim).  read operation performed
on this attr creates a new zram device and returns back its device_id or
error status.

Usage example:
	# add a new specific zram device
	cat /sys/class/zram-control/hot_add
	2

	# remove a specific zram device
	echo 4 > /sys/class/zram-control/hot_remove

Returning zram_add() error code back to user (-ENOMEM in this case)

	cat /sys/class/zram-control/hot_add
	cat: /sys/class/zram-control/hot_add: Cannot allocate memory

NOTE, there might be users who already depend on the fact that at least
zram0 device gets always created by zram_init(). Preserve this behavior.

[minchan@kernel.org: use zram->claim to avoid lockdep splat]
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:36 -07:00
Sergey Senozhatsky
c3cdb40e66 zram: remove max_num_devices limitation 
Limiting the number of zram devices to 32 (default max_num_devices value)
is confusing, let's drop it.  A user with 2TB or 4TB of RAM, for example,
can request as many devices as he can handle.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:36 -07:00
Sergey Senozhatsky
3d8ed88ba7 zram: add compact sysfs entry to documentation 
We currently don't support zram on-demand device creation.  The only way
to have N zram devices is to specify num_devices module parameter (default
value 1).  That means that if, for some reason, at some point, user wants
to have N + 1 devies he/she must umount all the existing devices, unload
the module, load the module passing num_devices equals to N + 1.

This patchset introduces zram-control sysfs class, which has two sysfs
attrs:

 - hot_add     -- add a new zram device
 - hot_remove  -- remove a specific (device_id) zram device

    Usage example:
        # add a new specific zram device
        cat /sys/class/zram-control/hot_add
        1

        # remove a specific zram device
        echo 4 > /sys/class/zram-control/hot_remove

This patch (of 10):

Briefly describe missing `compact` sysfs entry.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-25 17:00:36 -07:00
Linus Torvalds
aefbef10e3 Merge branch 'akpm' (patches from Andrew) 
Merge first patchbomb from Andrew Morton:

 - a few misc things

 - ocfs2 udpates

 - kernel/watchdog.c feature work (took ages to get right)

 - most of MM.  A few tricky bits are held up and probably won't make 4.2.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (91 commits)
  mm: kmemleak_alloc_percpu() should follow the gfp from per_alloc()
  mm, thp: respect MPOL_PREFERRED policy with non-local node
  tmpfs: truncate prealloc blocks past i_size
  mm/memory hotplug: print the last vmemmap region at the end of hot add memory
  mm/mmap.c: optimization of do_mmap_pgoff function
  mm: kmemleak: optimise kmemleak_lock acquiring during kmemleak_scan
  mm: kmemleak: avoid deadlock on the kmemleak object insertion error path
  mm: kmemleak: do not acquire scan_mutex in kmemleak_do_cleanup()
  mm: kmemleak: fix delete_object_*() race when called on the same memory block
  mm: kmemleak: allow safe memory scanning during kmemleak disabling
  memcg: convert mem_cgroup->under_oom from atomic_t to int
  memcg: remove unused mem_cgroup->oom_wakeups
  frontswap: allow multiple backends
  x86, mirror: x86 enabling - find mirrored memory ranges
  mm/memblock: allocate boot time data structures from mirrored memory
  mm/memblock: add extra "flags" to memblock to allow selection of memory based on attribute
  mm: do not ignore mapping_gfp_mask in page cache allocation paths
  mm/cma.c: fix typos in comments
  mm/oom_kill.c: print points as unsigned int
  mm/hugetlb: handle races in alloc_huge_page and hugetlb_reserve_pages
  ...
 2015-06-24 20:47:21 -07:00
Linus Torvalds
a7296b49fb Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 
Pull UDF fixes and cleanups from Jan Kara:
 "The contains some small fixes and improvements in error handling for
  UDF.

  Bundled is also one ext3 coding style fix and a fix in quota
  documentation"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  udf: fix udf_load_pvoldesc()
  udf: remove double err declaration in udf_file_write_iter()
  UDF: support NFSv2 export
  fs: ext3: super: fixed a space coding style issue
  quota: Update documentation
  udf: Return error from udf_find_entry()
  udf: Make udf_get_filename() return error instead of 0 length file name
  udf: bug on exotic flag in udf_get_filename()
  udf: improve error management in udf_CS0toNLS()
  udf: improve error management in udf_CS0toUTF8()
  udf: unicode: update function name in comments
  udf: remove unnecessary test in udf_build_ustr_exact()
  udf: Return -ENOMEM when allocation fails in udf_get_filename()
 2015-06-24 20:07:10 -07:00
Linus Torvalds
1e467e68e5 Documentation updates for 4.2 
The main thing here is Ingo's big subdirectory documenting feature support
 for each architecture.  Beyond that, it's the usual pile of fixes, tweaks,
 and small additions.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6

Pull documentation updates from Jonathan Corbet:
 "The main thing here is Ingo's big subdirectory documenting feature
  support for each architecture.  Beyond that, it's the usual pile of
  fixes, tweaks, and small additions"

* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (79 commits)
  doc:md: fix typo in md.txt.
  Documentation/mic/mpssd: don't build x86 userspace when cross compiling
  Documentation/prctl: don't build tsc tests when cross compiling
  Documentation/vDSO: don't build tests when cross compiling
  Doc:ABI/testing: Fix typo in sysfs-bus-fcoe
  Doc: Docbook: Change wikipedia's URL from http to https in scsi.tmpl
  Doc: Change wikipedia's URL from http to https
  Documentation/kernel-parameters: add missing pciserial to the earlyprintk
  Doc:pps: Fix typo in pps.txt
  kbuild : Fix documentation of INSTALL_HDR_PATH
  Documentation: filesystems: updated struct file_operations documentation in vfs.txt
  kbuild: edit explanation of clean-files variable
  Doc: ja_JP: Fix typo in HOWTO
  Move freefall program from Documentation/ to tools/
  Documentation: ARM: EXYNOS: Describe boot loaders interface
  Doc:nfc: Fix typo in nfc-hci.txt
  vfs: Minor documentation fix
  Doc: networking: txtimestamp: fix printf format warning
  Documentation, intel_pstate: Improve legacy mode internal governors description
  Documentation: extend use case for EXPORT_SYMBOL_GPL()
  ...
 2015-06-24 20:01:36 -07:00
Linus Torvalds
14738e0331 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input subsystem updates from Dmitry Torokhov:
 "Thanks to Samuel Thibault input device (keyboard) LEDs are no longer
  hardwired within the input core but use LED subsystem and so allow use
  of different triggers; Hans de Goede did a large update for the ALPS
  touchpad driver; we have new TI drv2665 haptics driver and DA9063
  OnKey driver, and host of other drivers got various fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (55 commits)
  Input: pixcir_i2c_ts - fix receive error
  MAINTAINERS: remove non existent input mt git tree
  Input: improve usage of gpiod API
  tty/vt/keyboard: define LED triggers for VT keyboard lock states
  tty/vt/keyboard: define LED triggers for VT LED states
  Input: export LEDs as class devices in sysfs
  Input: cyttsp4 - use swap() in cyttsp4_get_touch()
  Input: goodix - do not explicitly set evbits in input device
  Input: goodix - export id and version read from device
  Input: goodix - fix variable length array warning
  Input: goodix - fix alignment issues
  Input: add OnKey driver for DA9063 MFD part
  Input: elan_i2c - add product IDs FW names
  Input: elan_i2c - add support for multi IC type and iap format
  Input: focaltech - report finger width to userspace
  tty: remove platform_sysrq_reset_seq
  Input: synaptics_i2c - use proper boolean values
  Input: psmouse - use true instead of 1 for boolean values
  Input: cyapa - fix a few typos in comments
  Input: stmpe-ts - enforce device tree only mode
  ...
 2015-06-24 19:56:58 -07:00
Linus Torvalds
45471cd98d EDAC changes, v2: 
* New APM X-Gene SoC EDAC driver (Loc Ho)
 
 * AMD error injection module improvements (Aravind Gopalakrishnan)
 
 * Altera Arria 10 support (Thor Thayer)
 
 * misc fixes and cleanups all over the place
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Merge tag 'edac_for_4.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:

 - New APM X-Gene SoC EDAC driver (Loc Ho)

 - AMD error injection module improvements (Aravind Gopalakrishnan)

 - Altera Arria 10 support (Thor Thayer)

 - misc fixes and cleanups all over the place

* tag 'edac_for_4.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (28 commits)
  EDAC: Update Documentation/edac.txt
  EDAC: Fix typos in Documentation/edac.txt
  EDAC, mce_amd_inj: Set MISCV on injection
  EDAC, mce_amd_inj: Move bit preparations before the injection
  EDAC, mce_amd_inj: Cleanup and simplify README
  EDAC, altera: Do not allow suspend when EDAC is enabled
  EDAC, mce_amd_inj: Make inj_type static
  arm: socfpga: dts: Add Arria10 SDRAM EDAC DTS support
  EDAC, altera: Add Arria10 EDAC support
  EDAC, altera: Refactor for Altera CycloneV SoC
  EDAC, altera: Generalize driver to use DT Memory size
  EDAC, mce_amd_inj: Add README file
  EDAC, mce_amd_inj: Add individual permissions field to dfs_node
  EDAC, mce_amd_inj: Modify flags attribute to use string arguments
  EDAC, mce_amd_inj: Read out number of MCE banks from the hardware
  EDAC, mce_amd_inj: Use MCE_INJECT_GET macro for bank node too
  EDAC, xgene: Fix cpuid abuse
  EDAC, mpc85xx: Extend error address to 64 bit
  EDAC, mpc8xxx: Adapt for FSL SoC
  EDAC, edac_stub: Drop arch-specific include
  ...
 2015-06-24 19:52:06 -07:00
Linus Torvalds
93a4b1b946 Here is the bulk of pin control changes for the v4.2 series: 
- Core functionality:
   - Enable exclusive pin ownership: it is possible to flag a pin
     controller so that GPIO and other functions cannot use a single
     pin simultaneously.
 
 - New drivers:
   - NXP LPC18xx System Control Unit pin controller
   - Imagination Pistachio SoC pin controller
 
 - New subdrivers:
   - Freescale i.MX7d SoC
   - Intel Sunrisepoint-H PCH
   - Renesas PFC R8A7793
   - Renesas PFC R8A7794
   - Mediatek MT6397, MT8127
   - SiRF Atlas 7
   - Allwinner A33
   - Qualcomm MSM8660
   - Marvell Armada 395
   - Rockchip RK3368
 
 - Cleanups:
   - A big cleanup of the Marvell MVEBU driver rectifying it to
     correspond to reality
   - Drop platform device probing from the SH PFC driver, we are now a
     DT only shop for SuperH
   - Drop obsolte multi-platform check for SH PFC
   - Various janitorial: constification, grammar etc
 
 - Improvements:
   - The AT91 GPIO portions now supports the set_multiple() feature
   - Split out SPI pins on the Xilinx Zynq
   - Support DTs without specific function nodes in the i.MX driver
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Merge tag 'pinctrl-v4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "Here is the bulk of pin control changes for the v4.2 series: Quite a
  lot of new SoC subdrivers and two new main drivers this time, apart
  from that business as usual.

  Details:

  Core functionality:
   - Enable exclusive pin ownership: it is possible to flag a pin
     controller so that GPIO and other functions cannot use a single pin
     simultaneously.

  New drivers:
   - NXP LPC18xx System Control Unit pin controller
   - Imagination Pistachio SoC pin controller

  New subdrivers:
   - Freescale i.MX7d SoC
   - Intel Sunrisepoint-H PCH
   - Renesas PFC R8A7793
   - Renesas PFC R8A7794
   - Mediatek MT6397, MT8127
   - SiRF Atlas 7
   - Allwinner A33
   - Qualcomm MSM8660
   - Marvell Armada 395
   - Rockchip RK3368

  Cleanups:
   - A big cleanup of the Marvell MVEBU driver rectifying it to
     correspond to reality
   - Drop platform device probing from the SH PFC driver, we are now a
     DT only shop for SuperH
   - Drop obsolte multi-platform check for SH PFC
   - Various janitorial: constification, grammar etc

  Improvements:
   - The AT91 GPIO portions now supports the set_multiple() feature
   - Split out SPI pins on the Xilinx Zynq
   - Support DTs without specific function nodes in the i.MX driver"

* tag 'pinctrl-v4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits)
  pinctrl: rockchip: add support for the rk3368
  pinctrl: rockchip: generalize perpin driver-strength setting
  pinctrl: sh-pfc: r8a7794: add SDHI pin groups
  pinctrl: sh-pfc: r8a7794: add MMCIF pin groups
  pinctrl: sh-pfc: add R8A7794 PFC support
  pinctrl: make pinctrl_register() return proper error code
  pinctrl: mvebu: armada-39x: add support for Armada 395 variant
  pinctrl: mvebu: armada-39x: add missing SATA functions
  pinctrl: mvebu: armada-39x: add missing PCIe functions
  pinctrl: mvebu: armada-38x: add ptp functions
  pinctrl: mvebu: armada-38x: add ua1 functions
  pinctrl: mvebu: armada-38x: add nand functions
  pinctrl: mvebu: armada-38x: add sata functions
  pinctrl: mvebu: armada-xp: add dram functions
  pinctrl: mvebu: armada-xp: add nand rb function
  pinctrl: mvebu: armada-xp: add spi1 function
  pinctrl: mvebu: armada-39x: normalize ref clock naming
  pinctrl: mvebu: armada-xp: rename spi to spi0
  pinctrl: mvebu: armada-370: align spi1 clock pin naming
  pinctrl: mvebu: armada-370: align VDD cpu-pd pin naming with datasheet
  ...
 2015-06-24 19:21:02 -07:00
Michal Hocko
9b012a29a3 Documentation/vm/unevictable-lru.txt: clarify MAP_LOCKED behavior 
There is a very subtle difference between mmap()+mlock() vs
mmap(MAP_LOCKED) semantic.  The former one fails if the population of the
area fails while the later one doesn't.  This basically means that
mmap(MAPLOCKED) areas might see major fault after mmap syscall returns
which is not the case for mlock.  mmap man page has already been altered
but Documentation/vm/unevictable-lru.txt deserves a clarification as well.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reported-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-24 17:49:44 -07:00
Chris Metcalf
fe4ba3c343 watchdog: add watchdog_cpumask sysctl to assist nohz 
Change the default behavior of watchdog so it only runs on the
housekeeping cores when nohz_full is enabled at build and boot time.
Allow modifying the set of cores the watchdog is currently running on
with a new kernel.watchdog_cpumask sysctl.

In the current system, the watchdog subsystem runs a periodic timer that
schedules the watchdog kthread to run.  However, nohz_full cores are
designed to allow userspace application code running on those cores to
have 100% access to the CPU.  So the watchdog system prevents the
nohz_full application code from being able to run the way it wants to,
thus the motivation to suppress the watchdog on nohz_full cores, which
this patchset provides by default.

However, if we disable the watchdog globally, then the housekeeping
cores can't benefit from the watchdog functionality.  So we allow
disabling it only on some cores.  See Documentation/lockup-watchdogs.txt
for more information.

[jhubbard@nvidia.com: fix a watchdog crash in some configurations]
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2015-06-24 17:49:40 -07:00
Linus Torvalds
e0456717e4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:

 1) Add TX fast path in mac80211, from Johannes Berg.

 2) Add TSO/GRO support to ibmveth, from Thomas Falcon

 3) Move away from cached routes in ipv6, just like ipv4, from Martin
    KaFai Lau.

 4) Lots of new rhashtable tests, from Thomas Graf.

 5) Run ingress qdisc lockless, from Alexei Starovoitov.

 6) Allow servers to fetch TCP packet headers for SYN packets of new
    connections, for fingerprinting.  From Eric Dumazet.

 7) Add mode parameter to pktgen, for testing receive.  From Alexei
    Starovoitov.

 8) Cache access optimizations via simplifications of build_skb(), from
    Alexander Duyck.

 9) Move page frag allocator under mm/, also from Alexander.

10) Add xmit_more support to hv_netvsc, from KY Srinivasan.

11) Add a counter guard in case we try to perform endless reclassify
    loops in the packet scheduler.

12) Extern flow dissector to be programmable and use it in new "Flower"
    classifier.  From Jiri Pirko.

13) AF_PACKET fanout rollover fixes, performance improvements, and new
    statistics.  From Willem de Bruijn.

14) Add netdev driver for GENEVE tunnels, from John W Linville.

15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso.

16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet.

17) Add an ECN retry fallback for the initial TCP handshake, from Daniel
    Borkmann.

18) Add tail call support to BPF, from Alexei Starovoitov.

19) Add several pktgen helper scripts, from Jesper Dangaard Brouer.

20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa.

21) Favor even port numbers for allocation to connect() requests, and
    odd port numbers for bind(0), in an effort to help avoid
    ip_local_port_range exhaustion.  From Eric Dumazet.

22) Add Cavium ThunderX driver, from Sunil Goutham.

23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata,
    from Alexei Starovoitov.

24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai.

25) Double TCP Small Queues default to 256K to accomodate situations
    like the XEN driver and wireless aggregation.  From Wei Liu.

26) Add more entropy inputs to flow dissector, from Tom Herbert.

27) Add CDG congestion control algorithm to TCP, from Kenneth Klette
    Jonassen.

28) Convert ipset over to RCU locking, from Jozsef Kadlecsik.

29) Track and act upon link status of ipv4 route nexthops, from Andy
    Gospodarek.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits)
  bridge: vlan: flush the dynamically learned entries on port vlan delete
  bridge: multicast: add a comment to br_port_state_selection about blocking state
  net: inet_diag: export IPV6_V6ONLY sockopt
  stmmac: troubleshoot unexpected bits in des0 & des1
  net: ipv4 sysctl option to ignore routes when nexthop link is down
  net: track link-status of ipv4 nexthops
  net: switchdev: ignore unsupported bridge flags
  net: Cavium: Fix MAC address setting in shutdown state
  drivers: net: xgene: fix for ACPI support without ACPI
  ip: report the original address of ICMP messages
  net/mlx5e: Prefetch skb data on RX
  net/mlx5e: Pop cq outside mlx5e_get_cqe
  net/mlx5e: Remove mlx5e_cq.sqrq back-pointer
  net/mlx5e: Remove extra spaces
  net/mlx5e: Avoid TX CQE generation if more xmit packets expected
  net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion
  net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()
  net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them
  net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues
  net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device
  ...
 2015-06-24 16:49:49 -07:00
Linus Torvalds
e3d8238d7f arm64 updates for 4.2, mostly refactoring/clean-up: 
- CPU ops and PSCI (Power State Coordination Interface) refactoring
   following the merging of the arm64 ACPI support, together with
   handling of Trusted (secure) OS instances
 
 - Using fixmap for permanent FDT mapping, removing the initial dtb
   placement requirements (within 512MB from the start of the kernel
   image). This required moving the FDT self reservation out of the
   memreserve processing
 
 - Idmap (1:1 mapping used for MMU on/off) handling clean-up
 
 - Removing flush_cache_all() - not safe on ARM unless the MMU is off.
   Last stages of CPU power down/up are handled by firmware already
 
 - "Alternatives" (run-time code patching) refactoring and support for
   immediate branch patching, GICv3 CPU interface access
 
 - User faults handling clean-up
 
 And some fixes:
 
 - Fix for VDSO building with broken ELF toolchains
 
 - Fixing another case of init_mm.pgd usage for user mappings (during
   ASID roll-over broadcasting)
 
 - Fix for FPSIMD reloading after CPU hotplug
 
 - Fix for missing syscall trace exit
 
 - Workaround for .inst asm bug
 
 - Compat fix for switching the user tls tpidr_el0 register
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "Mostly refactoring/clean-up:

   - CPU ops and PSCI (Power State Coordination Interface) refactoring
     following the merging of the arm64 ACPI support, together with
     handling of Trusted (secure) OS instances

   - Using fixmap for permanent FDT mapping, removing the initial dtb
     placement requirements (within 512MB from the start of the kernel
     image).  This required moving the FDT self reservation out of the
     memreserve processing

   - Idmap (1:1 mapping used for MMU on/off) handling clean-up

   - Removing flush_cache_all() - not safe on ARM unless the MMU is off.
     Last stages of CPU power down/up are handled by firmware already

   - "Alternatives" (run-time code patching) refactoring and support for
     immediate branch patching, GICv3 CPU interface access

   - User faults handling clean-up

  And some fixes:

   - Fix for VDSO building with broken ELF toolchains

   - Fix another case of init_mm.pgd usage for user mappings (during
     ASID roll-over broadcasting)

   - Fix for FPSIMD reloading after CPU hotplug

   - Fix for missing syscall trace exit

   - Workaround for .inst asm bug

   - Compat fix for switching the user tls tpidr_el0 register"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (42 commits)
  arm64: use private ratelimit state along with show_unhandled_signals
  arm64: show unhandled SP/PC alignment faults
  arm64: vdso: work-around broken ELF toolchains in Makefile
  arm64: kernel: rename __cpu_suspend to keep it aligned with arm
  arm64: compat: print compat_sp instead of sp
  arm64: mm: Fix freeing of the wrong memmap entries with !SPARSEMEM_VMEMMAP
  arm64: entry: fix context tracking for el0_sp_pc
  arm64: defconfig: enable memtest
  arm64: mm: remove reference to tlb.S from comment block
  arm64: Do not attempt to use init_mm in reset_context()
  arm64: KVM: Switch vgic save/restore to alternative_insn
  arm64: alternative: Introduce feature for GICv3 CPU interface
  arm64: psci: fix !CONFIG_HOTPLUG_CPU build warning
  arm64: fix bug for reloading FPSIMD state after CPU hotplug.
  arm64: kernel thread don't need to save fpsimd context.
  arm64: fix missing syscall trace exit
  arm64: alternative: Work around .inst assembler bugs
  arm64: alternative: Merge alternative-asm.h into alternative.h
  arm64: alternative: Allow immediate branch as alternative instruction
  arm64: Rework alternate sequence for ARM erratum 845719
  ...
 2015-06-24 10:02:15 -07:00
Linus Torvalds
4e241557fc The bulk of the changes here is for x86. And for once it's not 
for silicon that no one owns: these are really new features for
 everyone.
 
 * ARM: several features are in progress but missed the 4.2 deadline.
 So here is just a smattering of bug fixes, plus enabling the VFIO
 integration.
 
 * s390: Some fixes/refactorings/optimizations, plus support for
 2GB pages.
 
 * x86: 1) host and guest support for marking kvmclock as a stable
 scheduler clock. 2) support for write combining. 3) support for
 system management mode, needed for secure boot in guests. 4) a bunch
 of cleanups required for 2+3.  5) support for virtualized performance
 counters on AMD; 6) legacy PCI device assignment is deprecated and
 defaults to "n" in Kconfig; VFIO replaces it.  On top of this there are
 also bug fixes and eager FPU context loading for FPU-heavy guests.
 
 * Common code: Support for multiple address spaces; for now it is
 used only for x86 SMM but the s390 folks also have plans.
 
 There are some x86 conflicts, one with the rc8 pull request and
 the rest with Ingo's FPU rework.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull first batch of KVM updates from Paolo Bonzini:
 "The bulk of the changes here is for x86.  And for once it's not for
  silicon that no one owns: these are really new features for everyone.

  Details:

   - ARM:
        several features are in progress but missed the 4.2 deadline.
        So here is just a smattering of bug fixes, plus enabling the
        VFIO integration.

   - s390:
        Some fixes/refactorings/optimizations, plus support for 2GB
        pages.

   - x86:
        * host and guest support for marking kvmclock as a stable
          scheduler clock.
        * support for write combining.
        * support for system management mode, needed for secure boot in
          guests.
        * a bunch of cleanups required for the above
        * support for virtualized performance counters on AMD
        * legacy PCI device assignment is deprecated and defaults to "n"
          in Kconfig; VFIO replaces it

        On top of this there are also bug fixes and eager FPU context
        loading for FPU-heavy guests.

   - Common code:
        Support for multiple address spaces; for now it is used only for
        x86 SMM but the s390 folks also have plans"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (124 commits)
  KVM: s390: clear floating interrupt bitmap and parameters
  KVM: x86/vPMU: Enable PMU handling for AMD PERFCTRn and EVNTSELn MSRs
  KVM: x86/vPMU: Implement AMD vPMU code for KVM
  KVM: x86/vPMU: Define kvm_pmu_ops to support vPMU function dispatch
  KVM: x86/vPMU: introduce kvm_pmu_msr_idx_to_pmc
  KVM: x86/vPMU: reorder PMU functions
  KVM: x86/vPMU: whitespace and stylistic adjustments in PMU code
  KVM: x86/vPMU: use the new macros to go between PMC, PMU and VCPU
  KVM: x86/vPMU: introduce pmu.h header
  KVM: x86/vPMU: rename a few PMU functions
  KVM: MTRR: do not map huge page for non-consistent range
  KVM: MTRR: simplify kvm_mtrr_get_guest_memory_type
  KVM: MTRR: introduce mtrr_for_each_mem_type
  KVM: MTRR: introduce fixed_mtrr_addr_* functions
  KVM: MTRR: sort variable MTRRs
  KVM: MTRR: introduce var_mtrr_range
  KVM: MTRR: introduce fixed_mtrr_segment table
  KVM: MTRR: improve kvm_mtrr_get_guest_memory_type
  KVM: MTRR: do not split 64 bits MSR content
  KVM: MTRR: clean up mtrr default type
  ...
 2015-06-24 09:36:49 -07:00
Borislav Petkov
043b43180e EDAC: Update Documentation/edac.txt 
Do some initial cleanup, more probably will come.

- Move credits section to the end
- Update maintainers
- Drop sourceforge reference - project is long upstream now
- Reformat sections
- Reformat paragraphs
- Clarify text
- Bring it up-to-date
- Drop useless "future hardware scanning" section

Signed-off-by: Borislav Petkov <bp@suse.de>
 2015-06-24 18:17:40 +02:00
Rami Rosen
3aae9edd5a EDAC: Fix typos in Documentation/edac.txt 
Fix various typos in Documentation/edac.txt.

Signed-off-by: Rami Rosen <ramirose@gmail.com>
Link: http://lkml.kernel.org/r/1434694714-2924-1-git-send-email-ramirose@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
 2015-06-24 18:17:39 +02:00
Thor Thayer
54b4a8f578 arm: socfpga: dts: Add Arria10 SDRAM EDAC DTS support 
Add support for the Arria10 SDRAM EDAC. Update the bindings document for
the new match string.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: devicetree@vger.kernel.org
Cc: dinguyen@opensource.altera.com
Cc: galak@codeaurora.org
Cc: grant.likely@linaro.org
Cc: ijc+devicetree@hellion.org.uk
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: m.chehab@samsung.com
Cc: mark.rutland@arm.com
Cc: pawel.moll@arm.com
Cc: robh+dt@kernel.org
Cc: tthayer.linux@gmail.com
Link: http://lkml.kernel.org/r/1433428128-7292-5-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>
 2015-06-24 18:16:10 +02:00
Linus Torvalds
08d183e3c1 powerpc updates for 4.2 
- Disable the 32-bit vdso when building LE, so we can build with a 64-bit only
    toolchain.
  - EEH fixes from Gavin & Richard.
  - Enable the sys_kcmp syscall from Laurent.
  - Sysfs control for fastsleep workaround from Shreyas.
  - Expose OPAL events as an irq chip by Alistair.
  - MSI ops moved to pci_controller_ops by Daniel.
  - Fix for kernel to userspace backtraces for perf from Anton.
  - Merge pseries and pseries_le defconfigs from Cyril.
  - CXL in-kernel API from Mikey.
  - OPAL prd driver from Jeremy.
  - Fix for DSCR handling & tests from Anshuman.
  - Powernv flash mtd driver from Cyril.
  - Dynamic DMA Window support on powernv from Alexey.
  - LLVM clang fixes & workarounds from Anton.
  - Reworked version of the patch to abort syscalls when transactional.
  - Fix the swap encoding to support 4TB, from Aneesh.
  - Various fixes as usual.
  - Freescale updates from Scott: Highlights include more 8xx optimizations, an
    e6500 hugetlb optimization, QMan device tree nodes, t1024/t1023 support, and
    various fixes and cleanup.
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Merge tag 'powerpc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

Pull powerpc updates from Michael Ellerman:

 - disable the 32-bit vdso when building LE, so we can build with a
   64-bit only toolchain.

 - EEH fixes from Gavin & Richard.

 - enable the sys_kcmp syscall from Laurent.

 - sysfs control for fastsleep workaround from Shreyas.

 - expose OPAL events as an irq chip by Alistair.

 - MSI ops moved to pci_controller_ops by Daniel.

 - fix for kernel to userspace backtraces for perf from Anton.

 - merge pseries and pseries_le defconfigs from Cyril.

 - CXL in-kernel API from Mikey.

 - OPAL prd driver from Jeremy.

 - fix for DSCR handling & tests from Anshuman.

 - Powernv flash mtd driver from Cyril.

 - dynamic DMA Window support on powernv from Alexey.

 - LLVM clang fixes & workarounds from Anton.

 - reworked version of the patch to abort syscalls when transactional.

 - fix the swap encoding to support 4TB, from Aneesh.

 - various fixes as usual.

 - Freescale updates from Scott: Highlights include more 8xx
   optimizations, an e6500 hugetlb optimization, QMan device tree nodes,
   t1024/t1023 support, and various fixes and cleanup.

* tag 'powerpc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (180 commits)
  cxl: Fix typo in debug print
  cxl: Add CXL_KERNEL_API config option
  powerpc/powernv: Fix wrong IOMMU table in pnv_ioda_setup_bus_dma()
  powerpc/mm: Change the swap encoding in pte.
  powerpc/mm: PTE_RPN_MAX is not used, remove the same
  powerpc/tm: Abort syscalls in active transactions
  powerpc/iommu/ioda2: Enable compile with IOV=on and IOMMU_API=off
  powerpc/include: Add opal-prd to installed uapi headers
  powerpc/powernv: fix construction of opal PRD messages
  powerpc/powernv: Increase opal-irqchip initcall priority
  powerpc: Make doorbell check preemption safe
  powerpc/powernv: pnv_init_idle_states() should only run on powernv
  macintosh/nvram: Remove as unused
  powerpc: Don't use gcc specific options on clang
  powerpc: Don't use -mno-strict-align on clang
  powerpc: Only use -mtraceback=no, -mno-string and -msoft-float if toolchain supports it
  powerpc: Only use -mabi=altivec if toolchain supports it
  powerpc: Fix duplicate const clang warning in user access code
  vfio: powerpc/spapr: Support Dynamic DMA windows
  vfio: powerpc/spapr: Register memory and define IOMMU v2
  ...
 2015-06-24 08:46:32 -07:00
Linus Torvalds
6eae81a5e2 IOMMU Updates for Linux v4.2 
This time with bigger changes than usual:
 
 	* A new IOMMU driver for the ARM SMMUv3. This IOMMU is pretty
 	  different from SMMUv1 and v2 in that it is configured through
 	  in-memory structures and not through the MMIO register region.
 	  The ARM SMMUv3 also supports IO demand paging for PCI devices
 	  with PRI/PASID capabilities, but this is not implemented in
 	  the driver yet.
 
 	* Lots of cleanups and device-tree support for the Exynos IOMMU
 	  driver. This is part of the effort to bring Exynos DRM support
 	  upstream.
 
 	* Introduction of default domains into the IOMMU core code. The
 	  rationale behind this is to move functionalily out of the
 	  IOMMU drivers to common code to get to a unified behavior
 	  between different drivers.
 	  The patches here introduce a default domain for iommu-groups
 	  (isolation groups). A device will now always be attached to a
 	  domain, either the default domain or another domain handled by
 	  the device driver. The IOMMU drivers have to be modified to
 	  make use of that feature. So long the AMD IOMMU driver is
 	  converted, with others to follow.
 
 	* Patches for the Intel VT-d drvier to fix DMAR faults that
 	  happen when a kdump kernel boots. When the kdump kernel boots
 	  it re-initializes the IOMMU hardware, which destroys all
 	  mappings from the crashed kernel. As this happens before
 	  the endpoint devices are re-initialized, any in-flight DMA
 	  causes a DMAR fault. These faults cause PCI master aborts,
 	  which some devices can't handle properly and go into an
 	  undefined state, so that the device driver in the kdump kernel
 	  fails to initialize them and the dump fails.
 	  This is now fixed by copying over the mapping structures (only
 	  context tables and interrupt remapping tables) from the old
 	  kernel and keep the old mappings in place until the device
 	  driver of the new kernel takes over. This emulates the the
 	  behavior without an IOMMU to the best degree possible.
 
 	* A couple of other small fixes and cleanups.
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Merge tag 'iommu-updates-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This time with bigger changes than usual:

   - A new IOMMU driver for the ARM SMMUv3.

     This IOMMU is pretty different from SMMUv1 and v2 in that it is
     configured through in-memory structures and not through the MMIO
     register region.  The ARM SMMUv3 also supports IO demand paging for
     PCI devices with PRI/PASID capabilities, but this is not
     implemented in the driver yet.

   - Lots of cleanups and device-tree support for the Exynos IOMMU
     driver.  This is part of the effort to bring Exynos DRM support
     upstream.

   - Introduction of default domains into the IOMMU core code.

     The rationale behind this is to move functionalily out of the IOMMU
     drivers to common code to get to a unified behavior between
     different drivers.  The patches here introduce a default domain for
     iommu-groups (isolation groups).

     A device will now always be attached to a domain, either the
     default domain or another domain handled by the device driver.  The
     IOMMU drivers have to be modified to make use of that feature.  So
     long the AMD IOMMU driver is converted, with others to follow.

   - Patches for the Intel VT-d drvier to fix DMAR faults that happen
     when a kdump kernel boots.

     When the kdump kernel boots it re-initializes the IOMMU hardware,
     which destroys all mappings from the crashed kernel.  As this
     happens before the endpoint devices are re-initialized, any
     in-flight DMA causes a DMAR fault.  These faults cause PCI master
     aborts, which some devices can't handle properly and go into an
     undefined state, so that the device driver in the kdump kernel
     fails to initialize them and the dump fails.

     This is now fixed by copying over the mapping structures (only
     context tables and interrupt remapping tables) from the old kernel
     and keep the old mappings in place until the device driver of the
     new kernel takes over.  This emulates the the behavior without an
     IOMMU to the best degree possible.

   - A couple of other small fixes and cleanups"

* tag 'iommu-updates-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (69 commits)
  iommu/amd: Handle large pages correctly in free_pagetable
  iommu/vt-d: Don't disable IR when it was previously enabled
  iommu/vt-d: Make sure copied over IR entries are not reused
  iommu/vt-d: Copy IR table from old kernel when in kdump mode
  iommu/vt-d: Set IRTA in intel_setup_irq_remapping
  iommu/vt-d: Disable IRQ remapping in intel_prepare_irq_remapping
  iommu/vt-d: Move QI initializationt to intel_setup_irq_remapping
  iommu/vt-d: Move EIM detection to intel_prepare_irq_remapping
  iommu/vt-d: Enable Translation only if it was previously disabled
  iommu/vt-d: Don't disable translation prior to OS handover
  iommu/vt-d: Don't copy translation tables if RTT bit needs to be changed
  iommu/vt-d: Don't do early domain assignment if kdump kernel
  iommu/vt-d: Allocate si_domain in init_dmars()
  iommu/vt-d: Mark copied context entries
  iommu/vt-d: Do not re-use domain-ids from the old kernel
  iommu/vt-d: Copy translation tables from old kernel
  iommu/vt-d: Detect pre enabled translation
  iommu/vt-d: Make root entry visible for hardware right after allocation
  iommu/vt-d: Init QI before root entry is allocated
  iommu/vt-d: Cleanup log messages
  ...
 2015-06-23 18:27:19 -07:00
Linus Torvalds
54245ed870 MTD fixes for 4.2 
JFFS2
 
  * fix a theoretical unbalanced locking issue; the lock handling was a bit
    unclean, but AFAICT, it didn't actually lead to real deadlocks
 
 NAND
 
  * brcmnand driver: new driver supporting NAND controller found originally on
    Broadcom STB SoCs (BCM7xxx), but now also found on BCM63xxx, iProc (e.g.,
    Cygnus, BCM5301x), BCM3xxx, and more
 
  * Begin factoring out BBT code so it can be shared between traditional
    (parallel) NAND drivers and upcoming SPI NAND drivers (WIP)
 
  * Add common DT-based init support, so nand_base can pick up some flash
    properties automatically, using established common NAND DT properties
 
  * mxc_nand: support 8-bit ECC
 
  * pxa3xx_nand:
    - fix build for ARM64
    - use a jiffies-based timeout
 
 SPI NOR
 
  * Add a few new IDs
 
  * Clear out some unnecessary entries
 
  * Make sure SECT_4K flags are correct for all (?) entries
 
 Core
 
  * Fix mtd->usecount race conditions (BUG_ON())
 
  * Switch to modern PM ops
 
 Other
 
  * CFI: save code space by de-inlining large functions
 
  * Clean up some partition parser selection code across several drivers
 
  * Various miscellaneous changes, mostly minor
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Merge tag 'for-linus-20150623' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "JFFS2:
   - fix a theoretical unbalanced locking issue; the lock handling was a
     bit unclean, but AFAICT, it didn't actually lead to real deadlocks

  NAND:
   - brcmnand driver: new driver supporting NAND controller found
     originally on Broadcom STB SoCs (BCM7xxx), but now also found on
     BCM63xxx, iProc (e.g., Cygnus, BCM5301x), BCM3xxx, and more

   - begin factoring out BBT code so it can be shared between
     traditional (parallel) NAND drivers and upcoming SPI NAND drivers
     (WIP)

   - add common DT-based init support, so nand_base can pick up some
     flash properties automatically, using established common NAND DT
     properties

   - mxc_nand: support 8-bit ECC

   - pxa3xx_nand:
     * fix build for ARM64
     * use a jiffies-based timeout

  SPI NOR:
   - add a few new IDs

   - clear out some unnecessary entries

   - make sure SECT_4K flags are correct for all (?) entries

  Core:
   - fix mtd->usecount race conditions (BUG_ON())

   - switch to modern PM ops

  Other:
   - CFI: save code space by de-inlining large functions

   - clean up some partition parser selection code across several
     drivers

   - various miscellaneous changes, mostly minor"

* tag 'for-linus-20150623' of git://git.infradead.org/linux-mtd: (57 commits)
  mtd: docg3: Fix kasprintf() usage
  mtd: docg3: Don't leak docg3->bbt in error path
  mtd: nandsim: Fix kasprintf() usage
  mtd: cs553x_nand: Fix kasprintf() usage
  mtd: r852: Fix device_create_file() usage
  mtd: brcmnand: drop unnecessary initialization
  mtd: propagate error codes from add_mtd_device()
  mtd: diskonchip: remove two-phase partitioning / registration
  mtd: dc21285: use raw spinlock functions for nw_gpio_lock
  mtd: chips: fixup dependencies, to prevent build error
  mtd: cfi_cmdset_0002: Initialize datum before calling map_word_load_partial
  mtd: cfi: deinline large functions
  mtd: lantiq-flash: use default partition parsers
  mtd: plat_nand: use default partition probe
  mtd: nand: correct indentation within conditional
  mtd: remove incorrect file name
  mtd: blktrans: use better error code for unimplemented ioctl()
  mtd: maps: Spelling s/reseved/reserved/
  mtd: blktrans: change blktrans_getgeo return value
  mtd: mxc_nand: generate nand_ecclayout for 8 bit ECC
  ...
 2015-06-23 17:38:39 -07:00
Linus Torvalds
84e9c87e6f == Changes to existing drivers == 
- Constify structures; throughout the subsystem
    - Move support to DT in; cros_ec
    - DT changes and documentation; cros-ec, max77693, max77686, arizona, da9063
    - ACPI changes and documentation; mfd-core
    - Use different platform specific API in; cros_ec_*, arizona-core
    - Remove unused parent field from; cros_ec_i2c
    - Add wake-up/reset delay in; cross_ec_spi, arizona-core
    - Staticise structures/functions in; cros_ec
    - Remove redundant code; arizona-core, max77686
    - Bugfix; twl4030-power
    - Allow compile test; aat2870, tps65910
    - MAINTAINERS adaptions; samsung, syscon
    - Resource Management (devm_*); arizona-core
    - Refactor Reset code; arizona-core
    - Insist on at least one full boot; arizona-core
    - Trivial formatting; arizona-core
    - Add low-power-sleep; arizona-core
    - IRQ ONESHOT changes; twl4030-irq, mc13xxx-core, wm831x-auxadc, htc-i2cpld,
                           wm8350-core, ab8500-debugfs, ab8500-gpadc, si476x-i2c
 
  == (Re-)moved drivers ==
    - Move protocol helpers out to drivers/platform; cros_ec
 
  == New drivers/supported devices ==
    - Add support for AXP22x into axp20x
    - Add support for OnKey into da9063-core
    - Add support for Pinctrl into mt6397-core
    - New STMicroelectronics LPC Watchdog driver
    - New STMicroelectronics LPC Real-Time Clock driver
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Merge tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - Constify structures; throughout the subsystem
   - Move support to DT in; cros_ec
   - DT changes and documentation; cros-ec, max77693, max77686, arizona, da9063
   - ACPI changes and documentation; mfd-core
   - Use different platform specific API in; cros_ec_*, arizona-core
   - Remove unused parent field from; cros_ec_i2c
   - Add wake-up/reset delay in; cross_ec_spi, arizona-core
   - Staticise structures/functions in; cros_ec
   - Remove redundant code; arizona-core, max77686
   - Bugfix; twl4030-power
   - Allow compile test; aat2870, tps65910
   - MAINTAINERS adaptions; samsung, syscon
   - Resource Management (devm_*); arizona-core
   - Refactor Reset code; arizona-core
   - Insist on at least one full boot; arizona-core
   - Trivial formatting; arizona-core
   - Add low-power-sleep; arizona-core
   - IRQ ONESHOT changes; twl4030-irq, mc13xxx-core, wm831x-auxadc, htc-i2cpld,
                          wm8350-core, ab8500-debugfs, ab8500-gpadc, si476x-i2c

  (Re-)moved drivers:
   - Move protocol helpers out to drivers/platform; cros_ec

  New drivers/supported devices:
   - Add support for AXP22x into axp20x
   - Add support for OnKey into da9063-core
   - Add support for Pinctrl into mt6397-core
   - New STMicroelectronics LPC Watchdog driver
   - New STMicroelectronics LPC Real-Time Clock driver"

* tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (59 commits)
  mfd: lpc_ich: Assign subdevice ids automatically
  mfd: si476x-i2c: Pass the IRQF_ONESHOT flag
  mfd: ab8500-gpadc: Pass the IRQF_ONESHOT flag
  mfd: ab8500-debugfs: Pass the IRQF_ONESHOT flag
  mfd: wm8350-core: Pass the IRQF_ONESHOT flag
  mfd: htc-i2cpld: Pass the IRQF_ONESHOT flag
  mfd: wm831x-auxadc: Pass the IRQF_ONESHOT flag
  mfd: mc13xxx-core: Pass the IRQF_ONESHOT flag
  mfd: twl4030-irq: Pass the IRQF_ONESHOT flag
  mfd: mt6397-core: Add GPIO sub-module support
  mfd: arizona: Add convience defines for micd_rate/micd_bias_starttime
  mfd: dt: Add bindings for DA9063 OnKey
  mfd: da9063: Add support for OnKey driver
  mfd: arizona: Fix incorrect Makefile conditionals
  mfd: arizona: Add stub for wm5102_patch()
  mfd: Check ACPI device companion before checking resources
  Documentation: Add WM8998/WM1814 device tree bindings
  mfd: arizona: Split INx_MODE into two fields
  mfd: wm5110: Add delay before releasing reset line
  mfd: arizona: Add better support for system suspend
  ...
 2015-06-23 17:31:27 -07:00
Linus Torvalds
7fe0bf908d regulator: Updates for v4.2 
Another fairly quiet release, some new drivers with generic handling for
 minor features but nothing that makes a substantial difference outside
 of the subsystem or for most boards:
 
  - Support for a bunch of new parameters which are present on enough
    regulators to be worth having generic handling for in the framework.
  - Fixes for some issues with printing constraints during boot which
    should probably have gone in for v4.1 but didn't.
  - New drivers for Dialog DA9062, Maxim MAX77621 and Qualcomm SPMI regulators.
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Merge tag 'regulator-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Another fairly quiet release, some new drivers with generic handling
  for minor features but nothing that makes a substantial difference
  outside of the subsystem or for most boards:

   - support for a bunch of new parameters which are present on enough
     regulators to be worth having generic handling for in the
     framework.

   - fixes for some issues with printing constraints during boot which
     should probably have gone in for v4.1 but didn't.

   - new drivers for Dialog DA9062, Maxim MAX77621 and Qualcomm SPMI
     regulators"

* tag 'regulator-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (45 commits)
  regulator: qcom_spmi: Fix calculating number of voltages
  regulator: qcom_spmi: Add missing braces for aligned code
  regulator: fix simple_return.cocci warnings
  regulator: Add QCOM SPMI regulator driver
  regulator: Add docbook for soft start
  regulator: Add input current limit support
  regulator: Add soft start support
  regulator: Add pull down support
  regulator: Add system_load constraint
  regulator: max8973: Fix up ramp_delay for MAX8973_RAMP_25mV_PER_US case
  regulator: core: replace sprintf with scnprintf
  regulator: core: fix constraints output buffer
  regulator: core: Don't corrupt display when printing uV offsets
  regulator: max8973: add support for MAX77621
  regulator: max8973: configure ramp delay through callback
  regulator: pwm-regulator: Diffientiate between dev (device) and rdev (regulator_dev)
  regulator: pwm-regulator: Remove superfluous is_enabled check
  regulator: pwm-regulator: Remove unnecessary descriptor attribute from ddata
  regulator: core: Don't spew backtraces on duplicate sysfs
  regulator: da9063: Fix up irq leak
  ...
 2015-06-23 17:30:20 -07:00
Linus Torvalds
5a602e157a spi: Updates for v4.2 
No framework updates for the SPI API this time around aside from one
 small fix, just driver improvments.  Some highlights include:
 
  - New driver support for CSR USP, Mikrotik RB4xx and Zynq GQSPI
    controllers.
  - Modernisation of the OMAP McSPI controller driver, moving it to
    current APIs to enable support for a wider range of client drivers.
  - DMA support for the bcm2835 controller.
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Merge tag 'spi-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "No framework updates for the SPI API this time around aside from one
  small fix, just driver improvments.  Some highlights include:

   - New driver support for CSR USP, Mikrotik RB4xx and Zynq GQSPI
     controllers.

   - Modernisation of the OMAP McSPI controller driver, moving it to
     current APIs to enable support for a wider range of client drivers.

   - DMA support for the bcm2835 controller"

* tag 'spi-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (60 commits)
  spi: zynq: Remove execute bit
  spi: atmel: add support to FIFOs
  spi: atmel: update DT bindings documentation
  spi: spi-fsl-dspi: Update DT binding documentation
  spi: pxa2xx: Constify ACPI device ids
  spi: Add support for Zynq Ultrascale+ MPSoC GQSPI controller
  spi: zynq: Add DT bindings documentation for Zynq Ultrascale+ MPSoC GQSPI controller
  spi: fsl-dspi: Use pinctrl PM helpers
  spi: davinci: change the lower limit of pre-scale divider to 1
  spi: spi-fsl-dspi: Change the way of increasing spi_message->actual_length
  spi: spi-fsl-dspi: Enable TCF interrupt mode support
  spi: atmel: add support for the internal chip-select of the spi controller
  spi: spi-pxa2xx: remove legacy PXA DMA bits
  spi: pxa2xx: Make LPSS SPI general register optional
  spi: pxa2xx: Prepare for new Intel LPSS SPI type
  spi: pxa2xx: Differentiate Intel LPSS types
  spi: restore rx/tx_buf in case of unset CONFIG_HAS_DMA
  spi: rspi: Re-do the returning value of qspi_transfer_out_in
  spi: rspi: modify the name of "qspi_trigger_transfer_out_int" function
  spi: orion: Fix extended baud rates for each Armada SoCs
  ...
 2015-06-23 17:27:09 -07:00
Linus Torvalds
1a13e36a79 fbdev changes for 4.2 
* ssd1307fb: various fixes and improvements, SSD1305 support
 * Use architecture agnostic functions instead of MTRR functions in various
   fbdev drivers
 * TI DRA7xx SoC display support (arch/arm/ side)
 * OMAPDSS componentization to fix probing order issues
 * OMAPDSS scaling fixes
 * msm_fb: remove obsoleted driver
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Merge tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:

 - ssd1307fb: various fixes and improvements, SSD1305 support

 - use architecture agnostic functions instead of MTRR functions in
   various fbdev drivers

 - TI DRA7xx SoC display support (arch/arm/ side)

 - OMAPDSS componentization to fix probing order issues

 - OMAPDSS scaling fixes

 - msm_fb: remove obsoleted driver

* tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (77 commits)
  msm: msm_fb: Remove dead code
  OMAPDSS: HDMI: wait for framedone when stopping video
  OMAPDSS: HDMI4: fix error handling
  OMAPDSS: DISPC: scaler debug print
  OMAPDSS: DISPC: do only y decimation on OMAP3
  OMAPDSS: DISPC: check if scaling setup failed
  OMAPDSS: DISPC: fix 64 bit issue in 5-tap
  OMAPDSS: DISPC: fix row_inc for OMAP3
  OMAPDSS: DISPC: add check for scaling limits
  OMAPDSS: DISPC: fix check_horiz_timing_omap3 args
  OMAPDSS: DISPC: fix predecimation for YUV modes
  OMAPDSS: DISPC: work-around for errata i631
  OMAPDSS: simplify submodule reg/unreg code
  OMAPDSS: componentize omapdss
  OMAPDSS: reorder uninit calls
  OMAPDSS: remove uses of __init/__exit
  OMAPDSS: fix dss_init_ports error handling
  OMAPDSS: refactor dss probe function
  OMAPDSS: move 'dss_initialized' to dss driver
  fbdev: propagate result of fb_videomode_from_videomode()
  ...
 2015-06-23 16:23:30 -07:00
Linus Torvalds
36a1624d88 power supply and reset changes for the v4.2 series 
* New charger drivers: BQ24257, BQ25890, AXP288, RT9455
  * MAX17042 battery: add health & temperature support
  * BQ2415x charger: add ACPI support
  * misc. fixes and cleanups
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Merge tag 'for-4.2' of git://git.infradead.org/battery-2.6

Pull power supply and reset updates from Sebastian Reichel:

 - new charger drivers: BQ24257, BQ25890, AXP288, RT9455

 - MAX17042 battery: add health & temperature support

 - BQ2415x charger: add ACPI support

 - misc fixes and cleanups

* tag 'for-4.2' of git://git.infradead.org/battery-2.6: (32 commits)
  power_supply: Correct kerneldoc copy paste errors
  wm831x_power: Fix off-by-one at free_irq()
  power_supply: rt9455_charger: Fix error reported by static analysis tool
  power_supply: bq24257: use flags argument of devm_gpiod_get
  power_supply: bq25890: use flags argument of devm_gpiod_get
  sbs-battery: add option to always register battery
  power: Add devm_power_supply_get_by_phandle() helper function
  power_supply: max17042: Add OF support for setting thresholds
  power_supply: sysfs: Bring back write to writeable properties
  power_supply: rt9455_charger: Check if CONFIG_USB_PHY is enabled
  power: reset: gpio-restart: increase priority slightly
  power_supply: bq25890: make chip_id int
  power_supply: Add support for Richtek RT9455 battery charger
  Documentation: devicetree: Add Richtek RT9455 bindings
  of: Add vendor prefix for Richtek Technology Corporation
  power_supply: 88pm860x_charger: Do not call free_irq() twice
  power: bq24190_charger: Change first_time flag reset condition
  power: axp288_charger: axp288 charger driver
  power: max17042_battery: add HEALTH and TEMP_* properties support
  power_supply: Add support for TI BQ25890 charger chip
  ...
 2015-06-23 16:10:27 -07:00
Linus Torvalds
acd53127c4 SCSI misc on 20150622 
This is the usual grab bag of driver updates (lpfc, hpsa,
 megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.
 There are also one new driver: the Cisco snic; the advansys driver has
 been rewritten to get rid of the warning about converting it to the
 DMA API, the tape statistics patch got in and finally, there's a
 resuffle of SCSI header files to separate more cleanly initiator from
 target mode (and better share the common definitions).
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (lpfc, hpsa,
  megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.

  There is also one new driver: the Cisco snic.  The advansys driver has
  been rewritten to get rid of the warning about converting it to the
  DMA API, the tape statistics patch got in and finally, there's a
  resuffle of SCSI header files to separate more cleanly initiator from
  target mode (and better share the common definitions)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (156 commits)
  snic: driver for Cisco SCSI HBA
  qla2xxx: Fix indentation
  qla2xxx: Comment out unreachable code
  fusion: remove dead MTRR code
  advansys: fix compilation errors and warnings when CONFIG_PCI is not set
  mptsas: fix depth param in scsi_track_queue_full
  megaraid: fix irq setup process regression
  lpfc: Update version to 10.7.0.0 for upstream patch set.
  lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes
  lpfc: Fix scsi task management error message.
  lpfc: Fix cq_id masking problem.
  lpfc: Fix scsi prep dma buf error.
  lpfc: Add support for using block multi-queue
  lpfc: Devices are not discovered during takeaway/giveback testing
  lpfc: Fix vport deletion failure.
  lpfc: Check for active portpeerbeacon.
  lpfc: Update driver version for upstream patch set 10.6.0.1.
  lpfc: Change buffer pool empty message to miscellaneous category
  lpfc: Fix incorrect log message reported for empty FCF record.
  lpfc: Fix rport leak.
  ...
 2015-06-23 15:55:44 -07:00
Linus Torvalds
43c9fad942 Power management and ACPI material for v4.2-rc1 
- ACPICA update to upstream revision 20150515 including basic
    support for ACPI 6 features: new ACPI tables introduced by
    ACPI 6 (STAO, XENV, WPBT, NFIT, IORT), changes related to the
    other tables (DTRM, FADT, LPIT, MADT), new predefined names
    (_BTH, _CR3, _DSD, _LPI, _MTL, _PRR, _RDI, _RST, _TFP, _TSN),
    fixes and cleanups (Bob Moore, Lv Zheng).
 
  - ACPI device power management core code update to follow ACPI 6
    which reflects the ACPI device power management implementation
    in Windows (Rafael J Wysocki).
 
  - Rework of the backlight interface selection logic to reduce the
    number of kernel command line options and improve the handling
    of DMI quirks that may be involved in that and to make the
    code generally more straightforward (Hans de Goede).
 
  - Fixes for the ACPI Embedded Controller (EC) driver related to
    the handling of EC transactions (Lv Zheng).
 
  - Fix for a regression related to the ACPI resources management
    and resulting from a recent change of ACPI initialization code
    ordering (Rafael J Wysocki).
 
  - Fix for a system initialization regression related to ACPI
    introduced during the 3.14 cycle and caused by running the
    code that switches the platform over to the ACPI mode too
    early in the initialization sequence (Rafael J Wysocki).
 
  - Support for the ACPI _CCA device configuration object related
    to DMA cache coherence (Suravee Suthikulpanit).
 
  - ACPI/APEI fixes and cleanups (Jiri Kosina, Borislav Petkov).
 
  - ACPI battery driver cleanups (Luis Henriques, Mathias Krause).
 
  - ACPI processor driver cleanups (Hanjun Guo).
 
  - Cleanups and documentation update related to the ACPI device
    properties interface based on _DSD (Rafael J Wysocki).
 
  - ACPI device power management fixes (Rafael J Wysocki).
 
  - Assorted cleanups related to ACPI (Dominik Brodowski. Fabian
    Frederick, Lorenzo Pieralisi, Mathias Krause, Rafael J Wysocki).
 
  - Fix for a long-standing issue causing General Protection Faults
    to be generated occasionally on return to user space after resume
    from ACPI-based suspend-to-RAM on 32-bit x86 (Ingo Molnar).
 
  - Fix to make the suspend core code return -EBUSY consistently in
    all cases when system suspend is aborted due to wakeup detection
    (Ruchi Kandoi).
 
  - Support for automated device wakeup IRQ handling allowing drivers
    to make their PM support more starightforward (Tony Lindgren).
 
  - New tracepoints for suspend-to-idle tracing and rework of the
    prepare/complete callbacks tracing in the PM core (Todd E Brandt,
    Rafael J Wysocki).
 
  - Wakeup sources framework enhancements (Jin Qian).
 
  - New macro for noirq system PM callbacks (Grygorii Strashko).
 
  - Assorted cleanups related to system suspend (Rafael J Wysocki).
 
  - cpuidle core cleanups to make the code more efficient (Rafael J
    Wysocki).
 
  - powernv/pseries cpuidle driver update (Shilpasri G Bhat).
 
  - cpufreq core fixes related to CPU online/offline that should
    reduce the overhead of these operations quite a bit, unless the
    CPU in question is physically going away (Viresh Kumar, Saravana
    Kannan).
 
  - Serialization of cpufreq governor callbacks to avoid race
    conditions in some cases (Viresh Kumar).
 
  - intel_pstate driver fixes and cleanups (Doug Smythies, Prarit
    Bhargava, Joe Konno).
 
  - cpufreq driver (arm_big_little, cpufreq-dt, qoriq) updates (Sudeep
    Holla, Felipe Balbi, Tang Yuantian).
 
  - Assorted cleanups in cpufreq drivers and core (Shailendra Verma,
    Fabian Frederick, Wang Long).
 
  - New Device Tree bindings for representing Operating Performance
    Points (Viresh Kumar).
 
  - Updates for the common clock operations support code in the PM
    core (Rajendra Nayak, Geert Uytterhoeven).
 
  - PM domains core code update (Geert Uytterhoeven).
 
  - Intel Knights Landing support for the RAPL (Running Average Power
    Limit) power capping driver (Dasaratharaman Chandramouli).
 
  - Fixes related to the floor frequency setting on Atom SoCs in the
    RAPL power capping driver (Ajay Thomas).
 
  - Runtime PM framework documentation update (Ben Dooks).
 
  - cpupower tool fix (Herton R Krzesinski).
 
 /
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Merge tag 'pm+acpi-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI updates from Rafael Wysocki:
 "The rework of backlight interface selection API from Hans de Goede
  stands out from the number of commits and the number of affected
  places perspective.  The cpufreq core fixes from Viresh Kumar are
  quite significant too as far as the number of commits goes and because
  they should reduce CPU online/offline overhead quite a bit in the
  majority of cases.

  From the new featues point of view, the ACPICA update (to upstream
  revision 20150515) adding support for new ACPI 6 material to ACPICA is
  the one that matters the most as some new significant features will be
  based on it going forward.  Also included is an update of the ACPI
  device power management core to follow ACPI 6 (which in turn reflects
  the Windows' device PM implementation), a PM core extension to support
  wakeup interrupts in a more generic way and support for the ACPI _CCA
  device configuration object.

  The rest is mostly fixes and cleanups all over and some documentation
  updates, including new DT bindings for Operating Performance Points.

  There is one fix for a regression introduced in the 4.1 cycle, but it
  adds quite a number of lines of code, it wasn't really ready before
  Thursday and you were on vacation, so I refrained from pushing it on
  the last minute for 4.1.

  Specifics:

   - ACPICA update to upstream revision 20150515 including basic support
     for ACPI 6 features: new ACPI tables introduced by ACPI 6 (STAO,
     XENV, WPBT, NFIT, IORT), changes related to the other tables (DTRM,
     FADT, LPIT, MADT), new predefined names (_BTH, _CR3, _DSD, _LPI,
     _MTL, _PRR, _RDI, _RST, _TFP, _TSN), fixes and cleanups (Bob Moore,
     Lv Zheng).

   - ACPI device power management core code update to follow ACPI 6
     which reflects the ACPI device power management implementation in
     Windows (Rafael J Wysocki).

   - rework of the backlight interface selection logic to reduce the
     number of kernel command line options and improve the handling of
     DMI quirks that may be involved in that and to make the code
     generally more straightforward (Hans de Goede).

   - fixes for the ACPI Embedded Controller (EC) driver related to the
     handling of EC transactions (Lv Zheng).

   - fix for a regression related to the ACPI resources management and
     resulting from a recent change of ACPI initialization code ordering
     (Rafael J Wysocki).

   - fix for a system initialization regression related to ACPI
     introduced during the 3.14 cycle and caused by running the code
     that switches the platform over to the ACPI mode too early in the
     initialization sequence (Rafael J Wysocki).

   - support for the ACPI _CCA device configuration object related to
     DMA cache coherence (Suravee Suthikulpanit).

   - ACPI/APEI fixes and cleanups (Jiri Kosina, Borislav Petkov).

   - ACPI battery driver cleanups (Luis Henriques, Mathias Krause).

   - ACPI processor driver cleanups (Hanjun Guo).

   - cleanups and documentation update related to the ACPI device
     properties interface based on _DSD (Rafael J Wysocki).

   - ACPI device power management fixes (Rafael J Wysocki).

   - assorted cleanups related to ACPI (Dominik Brodowski, Fabian
     Frederick, Lorenzo Pieralisi, Mathias Krause, Rafael J Wysocki).

   - fix for a long-standing issue causing General Protection Faults to
     be generated occasionally on return to user space after resume from
     ACPI-based suspend-to-RAM on 32-bit x86 (Ingo Molnar).

   - fix to make the suspend core code return -EBUSY consistently in all
     cases when system suspend is aborted due to wakeup detection (Ruchi
     Kandoi).

   - support for automated device wakeup IRQ handling allowing drivers
     to make their PM support more starightforward (Tony Lindgren).

   - new tracepoints for suspend-to-idle tracing and rework of the
     prepare/complete callbacks tracing in the PM core (Todd E Brandt,
     Rafael J Wysocki).

   - wakeup sources framework enhancements (Jin Qian).

   - new macro for noirq system PM callbacks (Grygorii Strashko).

   - assorted cleanups related to system suspend (Rafael J Wysocki).

   - cpuidle core cleanups to make the code more efficient (Rafael J
     Wysocki).

   - powernv/pseries cpuidle driver update (Shilpasri G Bhat).

   - cpufreq core fixes related to CPU online/offline that should reduce
     the overhead of these operations quite a bit, unless the CPU in
     question is physically going away (Viresh Kumar, Saravana Kannan).

   - serialization of cpufreq governor callbacks to avoid race
     conditions in some cases (Viresh Kumar).

   - intel_pstate driver fixes and cleanups (Doug Smythies, Prarit
     Bhargava, Joe Konno).

   - cpufreq driver (arm_big_little, cpufreq-dt, qoriq) updates (Sudeep
     Holla, Felipe Balbi, Tang Yuantian).

   - assorted cleanups in cpufreq drivers and core (Shailendra Verma,
     Fabian Frederick, Wang Long).

   - new Device Tree bindings for representing Operating Performance
     Points (Viresh Kumar).

   - updates for the common clock operations support code in the PM core
     (Rajendra Nayak, Geert Uytterhoeven).

   - PM domains core code update (Geert Uytterhoeven).

   - Intel Knights Landing support for the RAPL (Running Average Power
     Limit) power capping driver (Dasaratharaman Chandramouli).

   - fixes related to the floor frequency setting on Atom SoCs in the
     RAPL power capping driver (Ajay Thomas).

   - runtime PM framework documentation update (Ben Dooks).

   - cpupower tool fix (Herton R Krzesinski)"

* tag 'pm+acpi-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (194 commits)
  cpuidle: powernv/pseries: Auto-promotion of snooze to deeper idle state
  x86: Load __USER_DS into DS/ES after resume
  PM / OPP: Add binding for 'opp-suspend'
  PM / OPP: Allow multiple OPP tables to be passed via DT
  PM / OPP: Add new bindings to address shortcomings of existing bindings
  ACPI: Constify ACPI device IDs in documentation
  ACPI / enumeration: Document the rules regarding the PRP0001 device ID
  ACPI / video: Make acpi_video_unregister_backlight() private
  acpi-video-detect: Remove old API
  toshiba-acpi: Port to new backlight interface selection API
  thinkpad-acpi: Port to new backlight interface selection API
  sony-laptop: Port to new backlight interface selection API
  samsung-laptop: Port to new backlight interface selection API
  msi-wmi: Port to new backlight interface selection API
  msi-laptop: Port to new backlight interface selection API
  intel-oaktrail: Port to new backlight interface selection API
  ideapad-laptop: Port to new backlight interface selection API
  fujitsu-laptop: Port to new backlight interface selection API
  eeepc-laptop: Port to new backlight interface selection API
  dell-wmi: Port to new backlight interface selection API
  ...
 2015-06-23 14:18:07 -07:00
Linus Torvalds
67db8a8086 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 
Pull HID updates from Jiri Kosina:

 - spurious power/wakeup sysfs files removal for I2C-HID devices, from
   Andrew Duggan

 - Logitech M560 support, from Goffredo Baroncelli

 - a lot of housekeeping cleanups to hid-lg4ff driver, from Michal Maly

 - improved support for Plantronics devices, from Terry Junge

 - Sony Motion Controller and Navigation Controller support and
   subsequent cleanups of hid-sony driver, from Frank Praznik and Simon
   Wood

 - HW support improvements to the Wacom driver, from Jason Gerecke and
   Ping Cheng

 - assorted small cleanups and device ID additions all over the place

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (69 commits)
  HID: cypress: use swap() in cp_report_fixup()
  HID: microsoft: Add Surface Power Cover
  HID: hid-sony: Fix report descriptor for Navigation Controller
  HID: hid-sony: Navigation controller only has 1 LED and no rumble
  HID: hid-sony: Add BT support for Navigation Controller
  HID: wacom: Introduce new 'touch_input' device
  HID: wacom: Split apart 'wacom_setup_pentouch_input_capabilites'
  HID: wacom: Introduce a new WACOM_DEVICETYPE_PAD device_type
  HID: wacom: Treat features->device_type values as flags
  HID: wacom: Simplify 'wacom_update_name'
  HID: rmi: Disable populating F30 when the touchpad has physical buttons
  HID: plantronics: Update to map volume up/down controls
  HID: sony: PS Move fix report descriptor
  HID: sony: PS3 Move enable LEDs and Rumble via BT
  HID: sony: Add support PS3 Move Battery via BT
  HID: sony: Add quirk for MOTION_CONTROLLER_BT
  HID: sony: Support PS3 Move Controller when connected via Bluetooth
  HID: i2c-hid: Do not set the ACPI companion field in the HID device
  usb, HID: Remove Vernier devices from lsusb and hid_ignore_list
  HID: hidpp: Add driver for mouse logitech M560
  ...
 2015-06-23 14:05:52 -07:00
Linus Torvalds
d8133356e9 PCI changes for the v4.2 merge window: 
Enumeration
     - Move pci_ari_enabled() to global header (Alex Williamson)
     - Account for ARI in _PRT lookups (Alex Williamson)
     - Remove unused pci_scan_bus_parented() (Yijing Wang)
 
   Resource management
     - Use host bridge _CRS info on systems with >32 bit addressing (Bjorn Helgaas)
     - Use host bridge _CRS info on Foxconn K8M890-8237A (Bjorn Helgaas)
     - Fix pci_address_to_pio() conversion of CPU address to I/O port (Zhichang Yuan)
     - Add pci_bus_addr_t (Yinghai Lu)
 
   PCI device hotplug
     - Wait for pciehp command completion where necessary (Alex Williamson)
     - Drop pointless ACPI-based "slot detection" check (Rafael J. Wysocki)
     - Check ignore_hotplug for all downstream devices (Rafael J. Wysocki)
     - Propagate the "ignore hotplug" setting to parent (Rafael J. Wysocki)
     - Inline pciehp "handle event" functions into the ISR (Bjorn Helgaas)
     - Clean up pciehp debug logging (Bjorn Helgaas)
 
   Power management
     - Remove redundant PCIe port type checking (Yijing Wang)
     - Add dev->has_secondary_link to track downstream PCIe links (Yijing Wang)
     - Use dev->has_secondary_link to find downstream links for ASPM (Yijing Wang)
     - Drop __pci_disable_link_state() useless "force" parameter (Bjorn Helgaas)
     - Simplify Clock Power Management setting (Bjorn Helgaas)
 
   Virtualization
     - Add ACS quirks for Intel 9-series PCH root ports (Alex Williamson)
     - Add function 1 DMA alias quirk for Marvell 9120 (Sakari Ailus)
 
   MSI
     - Disable MSI at enumeration even if kernel doesn't support MSI (Michael S. Tsirkin)
     - Remove unused pci_msi_off() (Bjorn Helgaas)
     - Rename msi_set_enable(), msix_clear_and_set_ctrl() (Michael S.  Tsirkin)
     - Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() (Michael S. Tsirkin)
     - Drop pci_msi_off() calls during probe (Michael S. Tsirkin)
 
   APM X-Gene host bridge driver
     - Add APM X-Gene v1 PCIe MSI/MSIX termination driver (Duc Dang)
     - Add APM X-Gene PCIe MSI DTS nodes (Duc Dang)
     - Disable Configuration Request Retry Status for v1 silicon (Duc Dang)
     - Allow config access to Root Port even when link is down (Duc Dang)
 
   Broadcom iProc host bridge driver
     - Allow override of device tree IRQ mapping function (Hauke Mehrtens)
     - Add BCMA PCIe driver (Hauke Mehrtens)
     - Directly add PCI resources (Hauke Mehrtens)
     - Free resource list after registration (Hauke Mehrtens)
 
   Freescale i.MX6 host bridge driver
     - Add speed change timeout message (Troy Kisky)
     - Rename imx6_pcie_start_link() to imx6_pcie_establish_link() (Bjorn Helgaas)
 
   Freescale Layerscape host bridge driver
     - Use dw_pcie_link_up() consistently (Bjorn Helgaas)
     - Factor out ls_pcie_establish_link() (Bjorn Helgaas)
 
   Marvell MVEBU host bridge driver
     - Remove mvebu_pcie_scan_bus() (Yijing Wang)
 
   NVIDIA Tegra host bridge driver
     - Remove tegra_pcie_scan_bus() (Yijing Wang)
 
   Synopsys DesignWare host bridge driver
     - Consolidate outbound iATU programming functions (Jisheng Zhang)
     - Use iATU0 for cfg and IO, iATU1 for MEM (Jisheng Zhang)
     - Add support for x8 links (Zhou Wang)
     - Wait for link to come up with consistent style (Bjorn Helgaas)
     - Use pci_scan_root_bus() for simplicity (Yijing Wang)
 
   TI DRA7xx host bridge driver
     - Use dw_pcie_link_up() consistently (Bjorn Helgaas)
 
   Miscellaneous
     - Include <linux/pci.h>, not <asm/pci.h> (Bjorn Helgaas)
     - Remove unnecessary #includes of <asm/pci.h> (Bjorn Helgaas)
     - Remove unused pcibios_select_root() (again) (Bjorn Helgaas)
     - Remove unused pci_dma_burst_advice() (Bjorn Helgaas)
     - xen/pcifront: Don't use deprecated function pci_scan_bus_parented() (Arnd Bergmann)
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Merge tag 'pci-v4.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v4.2 merge window:

  Enumeration
    - Move pci_ari_enabled() to global header (Alex Williamson)
    - Account for ARI in _PRT lookups (Alex Williamson)
    - Remove unused pci_scan_bus_parented() (Yijing Wang)

  Resource management
    - Use host bridge _CRS info on systems with >32 bit addressing (Bjorn Helgaas)
    - Use host bridge _CRS info on Foxconn K8M890-8237A (Bjorn Helgaas)
    - Fix pci_address_to_pio() conversion of CPU address to I/O port (Zhichang Yuan)
    - Add pci_bus_addr_t (Yinghai Lu)

  PCI device hotplug
    - Wait for pciehp command completion where necessary (Alex Williamson)
    - Drop pointless ACPI-based "slot detection" check (Rafael J. Wysocki)
    - Check ignore_hotplug for all downstream devices (Rafael J. Wysocki)
    - Propagate the "ignore hotplug" setting to parent (Rafael J. Wysocki)
    - Inline pciehp "handle event" functions into the ISR (Bjorn Helgaas)
    - Clean up pciehp debug logging (Bjorn Helgaas)

  Power management
    - Remove redundant PCIe port type checking (Yijing Wang)
    - Add dev->has_secondary_link to track downstream PCIe links (Yijing Wang)
    - Use dev->has_secondary_link to find downstream links for ASPM (Yijing Wang)
    - Drop __pci_disable_link_state() useless "force" parameter (Bjorn Helgaas)
    - Simplify Clock Power Management setting (Bjorn Helgaas)

  Virtualization
    - Add ACS quirks for Intel 9-series PCH root ports (Alex Williamson)
    - Add function 1 DMA alias quirk for Marvell 9120 (Sakari Ailus)

  MSI
    - Disable MSI at enumeration even if kernel doesn't support MSI (Michael S. Tsirkin)
    - Remove unused pci_msi_off() (Bjorn Helgaas)
    - Rename msi_set_enable(), msix_clear_and_set_ctrl() (Michael S.  Tsirkin)
    - Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() (Michael S. Tsirkin)
    - Drop pci_msi_off() calls during probe (Michael S. Tsirkin)

  APM X-Gene host bridge driver
    - Add APM X-Gene v1 PCIe MSI/MSIX termination driver (Duc Dang)
    - Add APM X-Gene PCIe MSI DTS nodes (Duc Dang)
    - Disable Configuration Request Retry Status for v1 silicon (Duc Dang)
    - Allow config access to Root Port even when link is down (Duc Dang)

  Broadcom iProc host bridge driver
    - Allow override of device tree IRQ mapping function (Hauke Mehrtens)
    - Add BCMA PCIe driver (Hauke Mehrtens)
    - Directly add PCI resources (Hauke Mehrtens)
    - Free resource list after registration (Hauke Mehrtens)

  Freescale i.MX6 host bridge driver
    - Add speed change timeout message (Troy Kisky)
    - Rename imx6_pcie_start_link() to imx6_pcie_establish_link() (Bjorn Helgaas)

  Freescale Layerscape host bridge driver
    - Use dw_pcie_link_up() consistently (Bjorn Helgaas)
    - Factor out ls_pcie_establish_link() (Bjorn Helgaas)

  Marvell MVEBU host bridge driver
    - Remove mvebu_pcie_scan_bus() (Yijing Wang)

  NVIDIA Tegra host bridge driver
    - Remove tegra_pcie_scan_bus() (Yijing Wang)

  Synopsys DesignWare host bridge driver
    - Consolidate outbound iATU programming functions (Jisheng Zhang)
    - Use iATU0 for cfg and IO, iATU1 for MEM (Jisheng Zhang)
    - Add support for x8 links (Zhou Wang)
    - Wait for link to come up with consistent style (Bjorn Helgaas)
    - Use pci_scan_root_bus() for simplicity (Yijing Wang)

  TI DRA7xx host bridge driver
    - Use dw_pcie_link_up() consistently (Bjorn Helgaas)

  Miscellaneous
    - Include <linux/pci.h>, not <asm/pci.h> (Bjorn Helgaas)
    - Remove unnecessary #includes of <asm/pci.h> (Bjorn Helgaas)
    - Remove unused pcibios_select_root() (again) (Bjorn Helgaas)
    - Remove unused pci_dma_burst_advice() (Bjorn Helgaas)
    - xen/pcifront: Don't use deprecated function pci_scan_bus_parented() (Arnd Bergmann)"

* tag 'pci-v4.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits)
  PCI: pciehp: Inline the "handle event" functions into the ISR
  PCI: pciehp: Rename queue_interrupt_event() to pciehp_queue_interrupt_event()
  PCI: pciehp: Make queue_interrupt_event() void
  PCI: xgene: Allow config access to Root Port even when link is down
  PCI: xgene: Disable Configuration Request Retry Status for v1 silicon
  PCI: pciehp: Clean up debug logging
  x86/PCI: Use host bridge _CRS info on systems with >32 bit addressing
  PCI: imx6: Add #define PCIE_RC_LCSR
  PCI: imx6: Use "u32", not "uint32_t"
  PCI: Remove unused pci_scan_bus_parented()
  xen/pcifront: Don't use deprecated function pci_scan_bus_parented()
  PCI: imx6: Add speed change timeout message
  PCI/ASPM: Simplify Clock Power Management setting
  PCI: designware: Wait for link to come up with consistent style
  PCI: layerscape: Factor out ls_pcie_establish_link()
  PCI: layerscape: Use dw_pcie_link_up() consistently
  PCI: dra7xx: Use dw_pcie_link_up() consistently
  x86/PCI: Use host bridge _CRS info on Foxconn K8M890-8237A
  PCI: pciehp: Wait for hotplug command completion where necessary
  PCI: Remove unused pci_dma_burst_advice()
  ...
 2015-06-23 13:41:24 -07:00
Linus Torvalds
234a56c80a hwmon changes for v4.2 
- New driver for Microchip TC74
 - Support for ncpXXwf104 added to ntc_thermistor driver
 - Minor cleanup
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Merge tag 'hwmon-for-linus-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - new driver for Microchip TC74

 - support for ncpXXwf104 added to ntc_thermistor driver

 - minor cleanup

* tag 'hwmon-for-linus-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: add driver for Microchip TC74
  hwmon: (ntc_thermistor) Improve precision of resistance calculation
  hwmon: (ntc_thermistor) fix iio raw to microvolts conversion
  hwmon: (atxp1) Drop auto-detection
  hwmon: (atxp1) Drop FSF mailing address
  hwmon: Allow compile test of GPIO consumers if !GPIOLIB
  hwmon: (sht15) Constify platform_device_id
  hwmon: (max197) Constify platform_device_id
  hwmon: (ntc_thermistor) Add support for ncpXXwf104
 2015-06-23 13:39:56 -07:00
Linus Torvalds
a57f14bac0 MMC core: 
- Fix an error path in the mmc block layer
  - Fix PM domain attachment for the SDIO bus
  - Add support for driver strength selection
  - Increase a delay to let voltage stabilize
  - Add support for disabling write-protect detection
  - Add facility to support re-tuning
  - Re-tune and retry in the recovery path
  - Add reset option for SDIO
  - Consolidations and clean-ups
 
 MMC host:
  - Add Mediatek MMC driver
  - Constify platform_device_id for a couple of hosts
  - Fix modalias to make module auto-loading work for a couple of hosts
  - sdhci: Add support for sdhci-arasan4.9a
  - sdhci: Fix low memory corruption
  - sdhci: Restore behavior while creating OCR mask
  - sdhci: Add a callback to select drive strength
  - sdhci: Fix driver type B and D handling
  - sdhci: Add support for drive strength selection for SPT
  - sdhci: Enable HS400 for some Intel host controllers
  - sdhci: Convert to use the new re-tuning facility
  - sdhci: Various minor fixes and clean-ups
  - dw_mmc: Add support for hi6220
  - dw_mmc: Use core to handle absent write protect line
  - dw_mmc: Add support to switch voltage
  - tmio: Some fixes and modernizations
  - sh_mmcif: Improve clock rate calculation
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Merge tag 'mmc-v4.2' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "Here are the changes for MMC for v4.2.

  MMC core:
   - Fix an error path in the mmc block layer
   - Fix PM domain attachment for the SDIO bus
   - Add support for driver strength selection
   - Increase a delay to let voltage stabilize
   - Add support for disabling write-protect detection
   - Add facility to support re-tuning
   - Re-tune and retry in the recovery path
   - Add reset option for SDIO
   - Consolidations and clean-ups

  MMC host:
   - Add Mediatek MMC driver
   - Constify platform_device_id for a couple of hosts
   - Fix modalias to make module auto-loading work for a couple of hosts
   - sdhci: Add support for sdhci-arasan4.9a
   - sdhci: Fix low memory corruption
   - sdhci: Restore behavior while creating OCR mask
   - sdhci: Add a callback to select drive strength
   - sdhci: Fix driver type B and D handling
   - sdhci: Add support for drive strength selection for SPT
   - sdhci: Enable HS400 for some Intel host controllers
   - sdhci: Convert to use the new re-tuning facility
   - sdhci: Various minor fixes and clean-ups
   - dw_mmc: Add support for hi6220
   - dw_mmc: Use core to handle absent write protect line
   - dw_mmc: Add support to switch voltage
   - tmio: Some fixes and modernizations
   - sh_mmcif: Improve clock rate calculation"

* tag 'mmc-v4.2' of git://git.linaro.org/people/ulf.hansson/mmc: (98 commits)
  mmc: queue: prevent soft lockups on PREEMPT=n
  mmc: mediatek: Add PM support for MMC driver
  mmc: mediatek: Add Mediatek MMC driver
  mmc: dt-bindings: add Mediatek MMC bindings
  mmc: card: Fixup request missing in mmc_blk_issue_rw_rq
  mmc: sdhci: fix low memory corruption
  mmc: sdhci-pci: Change AMD SDHCI quirk application scope
  i2c-piix4: Use Macro for AMD CZ SMBus device ID
  pci_ids: Add AMD KERNCZ device ID support
  mmc: queue: use swap() in mmc_queue_thread()
  mmc: dw_mmc: insmod followed by rmmod will hung for eMMC
  mmc: sdhci: Restore behavior while creating OCR mask
  mmc: sdhci-pxav3: fix device wakeup initialization
  mmc: core: Attach PM domain prior probing of SDIO func driver
  mmc: core: Remove redundant ->power_restore() callback for SD
  mmc: core: Remove redundant ->power_restore() callback for MMC
  mmc: sdhci-bcm2835: Actually enable the clock
  mmc: sdhci-bcm2835: Clean up platform allocations if sdhci init fails.
  mmc: sdhci-of-esdhc: enable interrupt mode to detect card
  mmc: sdhci-esdhc-imx: add quirk SDHCI_QUIRK2_BROKEN_HS200 for imx6qdl
  ...
 2015-06-23 13:38:04 -07:00
Linus Torvalds
10b4b096d0 This is the big bulk of GPIO changes queued for the v4.2 
kernel series:
 
 - A big set of cleanups to the aged sysfs interface from
   Johan Hovold. To get these in, v4.1-rc3 was merged into
   the tree as the first patch in that series had to go
   into stable. This makes the locking much more fine-grained
   (get rid of the "big GPIO lock(s)" and store states in the
   GPIO descriptors.
 
 - Rename gpiod_[g|s]et_array() to gpiod_[g|s]et_array_value()
   to avoid confusions.
 
 - New drivers for:
   - NXP LPC18xx (currently LPC1850)
   - NetLogic XLP
   - Broadcom STB SoC's
   - Axis ETRAXFS
   - Zynq Ultrascale+ (subdriver)
 
 - ACPI:
   - Make it possible to retrieve GpioInt resources from
     a GPIO device using acpi_dev_gpio_irq_get()
   - Merge some dependent I2C changes exploiting this.
   - Support the ARM X-Gene GPIO standby driver.
 
 - Make it possible for the generic GPIO driver to read
   back the value set registers to reflect current
   status.
 
 - Loads of OMAP IRQ handling fixes.
 
 - Incremental improvements to Kona, max732x, OMAP, MXC, RCAR,
   PCA953x, STP-XWAY, PCF857x, Crystalcove, TB10x.
 
 - Janitorial (contification, checkpatch cleanups)
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Merge tag 'gpio-v4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull gpio updates from Linus Walleij:
 "This is the big bulk of GPIO changes queued for the v4.2 kernel
  series:

   - a big set of cleanups to the aged sysfs interface from Johan
     Hovold.  To get these in, v4.1-rc3 was merged into the tree as the
     first patch in that series had to go into stable.  This makes the
     locking much more fine-grained (get rid of the "big GPIO lock(s)"
     and store states in the GPIO descriptors.

   - rename gpiod_[g|s]et_array() to gpiod_[g|s]et_array_value() to
     avoid confusions.

   - New drivers for:
      * NXP LPC18xx (currently LPC1850)
      * NetLogic XLP
      * Broadcom STB SoC's
      * Axis ETRAXFS
      * Zynq Ultrascale+ (subdriver)

   - ACPI:
      * make it possible to retrieve GpioInt resources from a GPIO
        device using acpi_dev_gpio_irq_get()
      * merge some dependent I2C changes exploiting this.
      * support the ARM X-Gene GPIO standby driver.

   - make it possible for the generic GPIO driver to read back the value
     set registers to reflect current status.

   - loads of OMAP IRQ handling fixes.

   - incremental improvements to Kona, max732x, OMAP, MXC, RCAR,
     PCA953x, STP-XWAY, PCF857x, Crystalcove, TB10x.

   - janitorial (constification, checkpatch cleanups)"

* tag 'gpio-v4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (71 commits)
  gpio: Fix checkpatch.pl issues
  gpio: pcf857x: handle only enabled irqs
  gpio / ACPI: Return -EPROBE_DEFER if the gpiochip was not found
  GPIO / ACPI: export acpi_gpiochip_request(free)_interrupts for module use
  gpio: improve error reporting on own descriptors
  gpio: promote own request failure to pr_err()
  gpio: Added support to Zynq Ultrascale+ MPSoC
  gpio: add ETRAXFS GPIO driver
  fix documentation after renaming gpiod_set_array to gpiod_set_array_value
  gpio: Add GPIO support for Broadcom STB SoCs
  gpio: xgene: add ACPI support for APM X-Gene GPIO standby driver
  gpio: tb10x: Drop unneeded free_irq() call
  gpio: crystalcove: set IRQCHIP_SKIP_SET_WAKE for the irqchip
  gpio: stp-xway: Use the of_property_read_u32 helper
  gpio: pcf857x: Check for irq_set_irq_wake() failures
  gpio-stp-xway: Fix enabling the highest bit of the PHY LEDs
  gpio: Prevent an integer overflow in the pca953x driver
  gpio: omap: rework omap_gpio_irq_startup to handle current pin state properly
  gpio: omap: rework omap_gpio_request to touch only gpio specific registers
  gpio: omap: rework omap_x_irq_shutdown to touch only irqs specific registers
  ...
 2015-06-23 13:34:02 -07:00
Noam Camus
0dd0770936 NET: Add ezchip ethernet driver 
Simple LAN device for debug or management purposes.
Device supports interrupts for RX and TX(completion).
Device does not have DMA ability.

Signed-off-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: Tal Zilcer <talz@ezchip.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-06-23 07:16:25 -07:00
Heiko Stübner
df558854cf net: stmmac: dwmac-rk: add rk3368-specific data 
Add constants and callback functions for the dwmac on rk3368 socs.
As can be seen, the base structure is the same, only registers and
the bits in them moved slightly.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-06-23 06:49:26 -07:00
Wei Fang
36f95a0b34 doc:md: fix typo in md.txt. 
Signed-off-by: Wei Fang <fangwei1@huawei.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2015-06-23 06:49:44 -06:00
Nicolas Ferre
bb7506c929 net/macb: bindings doc: add sama5d2 compatibility sting 
Add sama5d2 to the biding documentation for this use of the GEM IP.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-06-23 01:24:33 -07:00
Nicolas Ferre
f58393f4a2 net/macb: bindings doc/trivial: fix sama5d4 comment 
On sama5d4, we only have a GEM IP that is configured to do 10/100 Mbits. So the
use of "Gigabit" can be confusing.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-06-23 01:24:31 -07:00
Nicolas Ferre
f76a28c24c net/macb: bindings doc: fix compatibility string 
In the driver and the DT bindings we use the "atmel" prefix. Fix it in the
binding documentation.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-06-23 01:24:30 -07:00
Linus Torvalds
44d21c3f3a Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 
Pull crypto update from Herbert Xu:
 "Here is the crypto update for 4.2:

  API:

   - Convert RNG interface to new style.

   - New AEAD interface with one SG list for AD and plain/cipher text.
     All external AEAD users have been converted.

   - New asymmetric key interface (akcipher).

  Algorithms:

   - Chacha20, Poly1305 and RFC7539 support.

   - New RSA implementation.

   - Jitter RNG.

   - DRBG is now seeded with both /dev/random and Jitter RNG.  If kernel
     pool isn't ready then DRBG will be reseeded when it is.

   - DRBG is now the default crypto API RNG, replacing krng.

   - 842 compression (previously part of powerpc nx driver).

  Drivers:

   - Accelerated SHA-512 for arm64.

   - New Marvell CESA driver that supports DMA and more algorithms.

   - Updated powerpc nx 842 support.

   - Added support for SEC1 hardware to talitos"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (292 commits)
  crypto: marvell/cesa - remove COMPILE_TEST dependency
  crypto: algif_aead - Temporarily disable all AEAD algorithms
  crypto: af_alg - Forbid the use internal algorithms
  crypto: echainiv - Only hold RNG during initialisation
  crypto: seqiv - Add compatibility support without RNG
  crypto: eseqiv - Offer normal cipher functionality without RNG
  crypto: chainiv - Offer normal cipher functionality without RNG
  crypto: user - Add CRYPTO_MSG_DELRNG
  crypto: user - Move cryptouser.h to uapi
  crypto: rng - Do not free default RNG when it becomes unused
  crypto: skcipher - Allow givencrypt to be NULL
  crypto: sahara - propagate the error on clk_disable_unprepare() failure
  crypto: rsa - fix invalid select for AKCIPHER
  crypto: picoxcell - Update to the current clk API
  crypto: nx - Check for bogus firmware properties
  crypto: marvell/cesa - add DT bindings documentation
  crypto: marvell/cesa - add support for Kirkwood and Dove SoCs
  crypto: marvell/cesa - add support for Orion SoCs
  crypto: marvell/cesa - add allhwsupport module parameter
  crypto: marvell/cesa - add support for all armada SoCs
  ...
 2015-06-22 21:04:48 -07:00
Linus Torvalds
407a2c7205 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq updates from Thomas Gleixner:
 "The irq departement delivers:

   - plug a potential race related to chained interrupt handlers

   - core updates which address the needs of the x86 irqdomain conversion

   - new irqchip callback to support affinity settings for VCPUs

   - the usual pile of updates to interrupt chip drivers

   - a few helper functions to allow further cleanups and
     simplifications

  I have a largish pile of coccinelle scripted/verified cleanups and
  simplifications pending on top of that, but I prefer to send that
  towards the end of the merge window when the arch/driver changes have
  hit your tree to avoid API change wreckage as far as possible"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
  genirq: Remove bogus restriction in irq_move_mask_irq()
  irqchip: atmel-aic5: Add sama5d2 support
  irq: spear-shirq: Fix race in installing chained IRQ handler
  irq: irq-keystone: Fix race in installing chained IRQ handler
  gpio: gpio-tegra: Fix race in installing chained IRQ handler
  gpio: gpio-mxs: Fix race in installing chained IRQ handler
  gpio: gpio-mxc: Fix race in installing chained IRQ handler
  ARM: gemini: Fix race in installing GPIO chained IRQ handler
  GPU: ipu: Fix race in installing IPU chained IRQ handler
  ARM: sa1100: convert SA11x0 related code to use new chained handler helper
  irq: Add irq_set_chained_handler_and_data()
  irqchip: exynos-combiner: Save IRQ enable set on suspend
  genirq: Introduce helper function irq_data_get_affinity_mask()
  genirq: Introduce helper function irq_data_get_node()
  genirq: Introduce struct irq_common_data to host shared irq data
  genirq: Prevent crash in irq_move_irq()
  genirq: Enhance irq_data_to_desc() to support hierarchy irqdomain
  irqchip: gic: Simplify gic_configure_irq by using IRQCHIP_SET_TYPE_MASKED
  irqchip: renesas: intc-irqpin: Improve binding documentation
  genirq: Set IRQCHIP_SKIP_SET_WAKE for no_irq_chip
  ...
 2015-06-22 19:42:56 -07:00
Linus Torvalds
43224b96af Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull timer updates from Thomas Gleixner:
 "A rather largish update for everything time and timer related:

   - Cache footprint optimizations for both hrtimers and timer wheel

   - Lower the NOHZ impact on systems which have NOHZ or timer migration
     disabled at runtime.

   - Optimize run time overhead of hrtimer interrupt by making the clock
     offset updates smarter

   - hrtimer cleanups and removal of restrictions to tackle some
     problems in sched/perf

   - Some more leap second tweaks

   - Another round of changes addressing the 2038 problem

   - First step to change the internals of clock event devices by
     introducing the necessary infrastructure

   - Allow constant folding for usecs/msecs_to_jiffies()

   - The usual pile of clockevent/clocksource driver updates

  The hrtimer changes contain updates to sched, perf and x86 as they
  depend on them plus changes all over the tree to cleanup API changes
  and redundant code, which got copied all over the place.  The y2038
  changes touch s390 to remove the last non 2038 safe code related to
  boot/persistant clock"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits)
  clocksource: Increase dependencies of timer-stm32 to limit build wreckage
  timer: Minimize nohz off overhead
  timer: Reduce timer migration overhead if disabled
  timer: Stats: Simplify the flags handling
  timer: Replace timer base by a cpu index
  timer: Use hlist for the timer wheel hash buckets
  timer: Remove FIFO "guarantee"
  timers: Sanitize catchup_timer_jiffies() usage
  hrtimer: Allow hrtimer::function() to free the timer
  seqcount: Introduce raw_write_seqcount_barrier()
  seqcount: Rename write_seqcount_barrier()
  hrtimer: Fix hrtimer_is_queued() hole
  hrtimer: Remove HRTIMER_STATE_MIGRATE
  selftest: Timers: Avoid signal deadlock in leap-a-day
  timekeeping: Copy the shadow-timekeeper over the real timekeeper last
  clockevents: Check state instead of mode in suspend/resume path
  selftests: timers: Add leap-second timer edge testing to leap-a-day.c
  ntp: Do leapsecond adjustment in adjtimex read path
  time: Prevent early expiry of hrtimers[CLOCK_REALTIME] at the leap second edge
  ntp: Introduce and use SECS_PER_DAY macro instead of 86400
  ...
 2015-06-22 18:57:44 -07:00
Linus Torvalds
d70b3ef54c Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 core updates from Ingo Molnar:
 "There were so many changes in the x86/asm, x86/apic and x86/mm topics
  in this cycle that the topical separation of -tip broke down somewhat -
  so the result is a more traditional architecture pull request,
  collected into the 'x86/core' topic.

  The topics were still maintained separately as far as possible, so
  bisectability and conceptual separation should still be pretty good -
  but there were a handful of merge points to avoid excessive
  dependencies (and conflicts) that would have been poorly tested in the
  end.

  The next cycle will hopefully be much more quiet (or at least will
  have fewer dependencies).

  The main changes in this cycle were:

   * x86/apic changes, with related IRQ core changes: (Jiang Liu, Thomas
     Gleixner)

     - This is the second and most intrusive part of changes to the x86
       interrupt handling - full conversion to hierarchical interrupt
       domains:

          [IOAPIC domain]   -----
                                 |
          [MSI domain]      --------[Remapping domain] ----- [ Vector domain ]
                                 |   (optional)          |
          [HPET MSI domain] -----                        |
                                                         |
          [DMAR domain]     -----------------------------
                                                         |
          [Legacy domain]   -----------------------------

       This now reflects the actual hardware and allowed us to distangle
       the domain specific code from the underlying parent domain, which
       can be optional in the case of interrupt remapping.  It's a clear
       separation of functionality and removes quite some duct tape
       constructs which plugged the remap code between ioapic/msi/hpet
       and the vector management.

     - Intel IOMMU IRQ remapping enhancements, to allow direct interrupt
       injection into guests (Feng Wu)

   * x86/asm changes:

     - Tons of cleanups and small speedups, micro-optimizations.  This
       is in preparation to move a good chunk of the low level entry
       code from assembly to C code (Denys Vlasenko, Andy Lutomirski,
       Brian Gerst)

     - Moved all system entry related code to a new home under
       arch/x86/entry/ (Ingo Molnar)

     - Removal of the fragile and ugly CFI dwarf debuginfo annotations.
       Conversion to C will reintroduce many of them - but meanwhile
       they are only getting in the way, and the upstream kernel does
       not rely on them (Ingo Molnar)

     - NOP handling refinements. (Borislav Petkov)

   * x86/mm changes:

     - Big PAT and MTRR rework: making the code more robust and
       preparing to phase out exposing direct MTRR interfaces to drivers -
       in favor of using PAT driven interfaces (Toshi Kani, Luis R
       Rodriguez, Borislav Petkov)

     - New ioremap_wt()/set_memory_wt() interfaces to support
       Write-Through cached memory mappings.  This is especially
       important for good performance on NVDIMM hardware (Toshi Kani)

   * x86/ras changes:

     - Add support for deferred errors on AMD (Aravind Gopalakrishnan)

       This is an important RAS feature which adds hardware support for
       poisoned data.  That means roughly that the hardware marks data
       which it has detected as corrupted but wasn't able to correct, as
       poisoned data and raises an APIC interrupt to signal that in the
       form of a deferred error.  It is the OS's responsibility then to
       take proper recovery action and thus prolonge system lifetime as
       far as possible.

     - Add support for Intel "Local MCE"s: upcoming CPUs will support
       CPU-local MCE interrupts, as opposed to the traditional system-
       wide broadcasted MCE interrupts (Ashok Raj)

     - Misc cleanups (Borislav Petkov)

   * x86/platform changes:

     - Intel Atom SoC updates

  ... and lots of other cleanups, fixlets and other changes - see the
  shortlog and the Git log for details"

* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (222 commits)
  x86/hpet: Use proper hpet device number for MSI allocation
  x86/hpet: Check for irq==0 when allocating hpet MSI interrupts
  x86/mm/pat, drivers/infiniband/ipath: Use arch_phys_wc_add() and require PAT disabled
  x86/mm/pat, drivers/media/ivtv: Use arch_phys_wc_add() and require PAT disabled
  x86/platform/intel/baytrail: Add comments about why we disabled HPET on Baytrail
  genirq: Prevent crash in irq_move_irq()
  genirq: Enhance irq_data_to_desc() to support hierarchy irqdomain
  iommu, x86: Properly handle posted interrupts for IOMMU hotplug
  iommu, x86: Provide irq_remapping_cap() interface
  iommu, x86: Setup Posted-Interrupts capability for Intel iommu
  iommu, x86: Add cap_pi_support() to detect VT-d PI capability
  iommu, x86: Avoid migrating VT-d posted interrupts
  iommu, x86: Save the mode (posted or remapped) of an IRTE
  iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip
  iommu: dmar: Provide helper to copy shared irte fields
  iommu: dmar: Extend struct irte for VT-d Posted-Interrupts
  iommu: Add new member capability to struct irq_remap_ops
  x86/asm/entry/64: Disentangle error_entry/exit gsbase/ebx/usermode code
  x86/asm/entry/32: Shorten __audit_syscall_entry() args preparation
  x86/asm/entry/32: Explain reloading of registers after __audit_syscall_entry()
  ...
 2015-06-22 17:59:09 -07:00
Linus Torvalds
e75c73ad64 Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 FPU updates from Ingo Molnar:
 "This tree contains two main changes:

   - The big FPU code rewrite: wide reaching cleanups and reorganization
     that pulls all the FPU code together into a clean base in
     arch/x86/fpu/.

     The resulting code is leaner and faster, and much easier to
     understand.  This enables future work to further simplify the FPU
     code (such as removing lazy FPU restores).

     By its nature these changes have a substantial regression risk: FPU
     code related bugs are long lived, because races are often subtle
     and bugs mask as user-space failures that are difficult to track
     back to kernel side backs.  I'm aware of no unfixed (or even
     suspected) FPU related regression so far.

   - MPX support rework/fixes.  As this is still not a released CPU
     feature, there were some buglets in the code - should be much more
     robust now (Dave Hansen)"

* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (250 commits)
  x86/fpu: Fix double-increment in setup_xstate_features()
  x86/mpx: Allow 32-bit binaries on 64-bit kernels again
  x86/mpx: Do not count MPX VMAs as neighbors when unmapping
  x86/mpx: Rewrite the unmap code
  x86/mpx: Support 32-bit binaries on 64-bit kernels
  x86/mpx: Use 32-bit-only cmpxchg() for 32-bit apps
  x86/mpx: Introduce new 'directory entry' to 'addr' helper function
  x86/mpx: Add temporary variable to reduce masking
  x86: Make is_64bit_mm() widely available
  x86/mpx: Trace allocation of new bounds tables
  x86/mpx: Trace the attempts to find bounds tables
  x86/mpx: Trace entry to bounds exception paths
  x86/mpx: Trace #BR exceptions
  x86/mpx: Introduce a boot-time disable flag
  x86/mpx: Restrict the mmap() size check to bounds tables
  x86/mpx: Remove redundant MPX_BNDCFG_ADDR_MASK
  x86/mpx: Clean up the code by not passing a task pointer around when unnecessary
  x86/mpx: Use the new get_xsave_field_ptr()API
  x86/fpu/xstate: Wrap get_xsave_addr() to make it safer
  x86/fpu/xstate: Fix up bad get_xsave_addr() assumptions
  ...
 2015-06-22 17:16:11 -07:00
Linus Torvalds
cfe3eceb7a Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 EFI updates from Ingo Molnar:
 "EFI changes:

   - Use idiomatic negative error values in efivar_create_sysfs_entry()
     instead of returning '1' to indicate error (Dan Carpenter)

   - Implement new support to expose the EFI System Resource Tables in
     sysfs, which provides information for performing firmware updates
     (Peter Jones)

   - Documentation cleanup in the EFI handover protocol section which
     falsely claimed that 'cmdline_size' needed to be filled out by the
     boot loader (Alex Smith)

   - Align the order of SMBIOS tables in /sys/firmware/efi/systab to
     match the way that we do things for ACPI and add documentation to
     Documentation/ABI (Jean Delvare)"

* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: Work around ia64 build problem with ESRT driver
  efi: Add 'systab' information to Documentation/ABI
  efi: dmi: List SMBIOS3 table before SMBIOS table
  efi/esrt: Fix some compiler warnings
  x86, doc: Remove cmdline_size from list of fields to be filled in for EFI handover
  efi: Add esrt support
  efi: efivar_create_sysfs_entry() should return negative error codes
 2015-06-22 17:10:44 -07:00
Linus Torvalds
5ef6ca4f24 Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 debugging documentation updates from Ingo Molnar:
 "Documentation updates about x86 kernel stacks"

* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/Documentation: Adapt Ingo's explanation on printing backtraces
  x86/Documentation: Remove STACKFAULT_STACK bulletpoint
  x86/Documentation: Move kernel-stacks doc one level up
 2015-06-22 17:09:32 -07:00
Linus Torvalds
23b7776290 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler updates from Ingo Molnar:
 "The main changes are:

   - lockless wakeup support for futexes and IPC message queues
     (Davidlohr Bueso, Peter Zijlstra)

   - Replace spinlocks with atomics in thread_group_cputimer(), to
     improve scalability (Jason Low)

   - NUMA balancing improvements (Rik van Riel)

   - SCHED_DEADLINE improvements (Wanpeng Li)

   - clean up and reorganize preemption helpers (Frederic Weisbecker)

   - decouple page fault disabling machinery from the preemption
     counter, to improve debuggability and robustness (David
     Hildenbrand)

   - SCHED_DEADLINE documentation updates (Luca Abeni)

   - topology CPU masks cleanups (Bartosz Golaszewski)

   - /proc/sched_debug improvements (Srikar Dronamraju)"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (79 commits)
  sched/deadline: Remove needless parameter in dl_runtime_exceeded()
  sched: Remove superfluous resetting of the p->dl_throttled flag
  sched/deadline: Drop duplicate init_sched_dl_class() declaration
  sched/deadline: Reduce rq lock contention by eliminating locking of non-feasible target
  sched/deadline: Make init_sched_dl_class() __init
  sched/deadline: Optimize pull_dl_task()
  sched/preempt: Add static_key() to preempt_notifiers
  sched/preempt: Fix preempt notifiers documentation about hlist_del() within unsafe iteration
  sched/stop_machine: Fix deadlock between multiple stop_two_cpus()
  sched/debug: Add sum_sleep_runtime to /proc/<pid>/sched
  sched/debug: Replace vruntime with wait_sum in /proc/sched_debug
  sched/debug: Properly format runnable tasks in /proc/sched_debug
  sched/numa: Only consider less busy nodes as numa balancing destinations
  Revert 095bebf61a ("sched/numa: Do not move past the balance point if unbalanced")
  sched/fair: Prevent throttling in early pick_next_task_fair()
  preempt: Reorganize the notrace definitions a bit
  preempt: Use preempt_schedule_context() as the official tracing preemption point
  sched: Make preempt_schedule_context() function-tracing safe
  x86: Remove cpu_sibling_mask() and cpu_core_mask()
  x86: Replace cpu_**_mask() with topology_**_cpumask()
  ...
 2015-06-22 15:52:04 -07:00