Commit Graph

25481 Commits

Author SHA1 Message Date
Linus Torvalds
490e142209 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
 "In this merge cycle we had an interaction with MTD subsystem, that
  included converting drivers/mtd/nand/nand_base.c to use newly
  introduced MTD (NAND/NOR) LED trigger instead of implementing it on
  its own.

  Related MTD patches are intended to be merged through the LED tree,
  before MTD tree is merged, since further MTD development is based on
  those modifications.

  Summary:

  LEDs:
   - Introduce a kernel panic LED trigger

   - Introduce a MTD (NAND/NOR) trigger

   - led-tca6507: silence an uninitialized variable warning

   - ledtrig-ide-disk: Move ide_blink_delay to ledtrig_ide_activity()

   - leds-ss4200: Add depend on x86 arch

   - leds-ss4200: add DMI data for FSC SCALEO Home Server

   - leds-triggers: Allow to switch the trigger to "panic" on a kernel panic

   - devicetree: leds: Introduce "panic-indicator" optional property

   - leds-gpio: Support the "panic-indicator" firmware property

  MTD:
   - Uninline mtd_write_oob and move it to mtdcore.c

   - Remove the "nand-disk" LED trigger

   - Hook I/O activity to the MTD LED trigger"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: gpio: Support the "panic-indicator" firmware property
  devicetree: leds: Introduce "panic-indicator" optional property
  leds: triggers: Allow to switch the trigger to "panic" on a kernel panic
  leds: ss4200: add DMI data for FSC SCALEO Home Server
  leds: ss4200: Add depend on x86 arch
  leds: ledtrig-ide-disk: Move ide_blink_delay to ledtrig_ide_activity()
  leds: tca6507: silence an uninitialized variable warning
  mtd: Hook I/O activity to the MTD LED trigger
  mtd: nand: Remove the "nand-disk" LED trigger
  leds: trigger: Introduce a MTD (NAND/NOR) trigger
  mtd: Uninline mtd_write_oob and move it to mtdcore.c
  leds: trigger: Introduce a kernel panic LED trigger
2016-05-16 18:37:06 -07:00
Linus Torvalds
b6ae4055f4 arm64 perf updates for 4.7
- Support for the PMU in Broadcom's Vulcan CPU
 
 - Dynamic event detection using the PMCEIDn_EL0 ID registers
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Merge tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 perf updates from Will Deacon:
 "The main addition here is support for Broadcom's Vulcan core using the
  architected ID registers for discovering supported events.

   - Support for the PMU in Broadcom's Vulcan CPU

   - Dynamic event detection using the PMCEIDn_EL0 ID registers"

* tag 'arm64-perf' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: perf: don't expose CHAIN event in sysfs
  arm64/perf: Add Broadcom Vulcan PMU support
  arm64/perf: Filter common events based on PMCEIDn_EL0
  arm64/perf: Access pmu register using <read/write>_sys_reg
  arm64/perf: Define complete ARMv8 recommended implementation defined events
  arm64/perf: Changed events naming as per the ARM ARM
  arm64: dts: Add Broadcom Vulcan PMU in dts
  Documentation: arm64: pmu: Add Broadcom Vulcan PMU binding
2016-05-16 17:39:29 -07:00
Dmitry Torokhov
23ea5967d6 Merge branch 'next' into for-linus
Prepare first round of input updates for 4.7 merge window.
2016-05-16 17:25:08 -07:00
Linus Torvalds
be092017b6 arm64 updates for 4.7:
- virt_to_page/page_address optimisations
 
 - Support for NUMA systems described using device-tree
 
 - Support for hibernate/suspend-to-disk
 
 - Proper support for maxcpus= command line parameter
 
 - Detection and graceful handling of AArch64-only CPUs
 
 - Miscellaneous cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:

 - virt_to_page/page_address optimisations

 - support for NUMA systems described using device-tree

 - support for hibernate/suspend-to-disk

 - proper support for maxcpus= command line parameter

 - detection and graceful handling of AArch64-only CPUs

 - miscellaneous cleanups and non-critical fixes

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (92 commits)
  arm64: do not enforce strict 16 byte alignment to stack pointer
  arm64: kernel: Fix incorrect brk randomization
  arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str
  arm64: secondary_start_kernel: Remove unnecessary barrier
  arm64: Ensure pmd_present() returns false after pmd_mknotpresent()
  arm64: Replace hard-coded values in the pmd/pud_bad() macros
  arm64: Implement pmdp_set_access_flags() for hardware AF/DBM
  arm64: Fix typo in the pmdp_huge_get_and_clear() definition
  arm64: mm: remove unnecessary EXPORT_SYMBOL_GPL
  arm64: always use STRICT_MM_TYPECHECKS
  arm64: kvm: Fix kvm teardown for systems using the extended idmap
  arm64: kaslr: increase randomization granularity
  arm64: kconfig: drop CONFIG_RTC_LIB dependency
  arm64: make ARCH_SUPPORTS_DEBUG_PAGEALLOC depend on !HIBERNATION
  arm64: hibernate: Refuse to hibernate if the boot cpu is offline
  arm64: kernel: Add support for hibernate/suspend-to-disk
  PM / Hibernate: Call flush_icache_range() on pages restored in-place
  arm64: Add new asm macro copy_page
  arm64: Promote KERNEL_START/KERNEL_END definitions to a header file
  arm64: kernel: Include _AC definition in page.h
  ...
2016-05-16 17:17:24 -07:00
Linus Torvalds
bc231d9ede Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
 "The main change is the addition of SGI/UV4 support"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
  x86/platform/UV: Fix incorrect nodes and pnodes for cpuless and memoryless nodes
  x86/platform/UV: Remove Obsolete GRU MMR address translation
  x86/platform/UV: Update physical address conversions for UV4
  x86/platform/UV: Build GAM reference tables
  x86/platform/UV: Support UV4 socket address changes
  x86/platform/UV: Add obtaining GAM Range Table from UV BIOS
  x86/platform/UV: Add UV4 addressing discovery function
  x86/platform/UV: Fold blade info into per node hub info structs
  x86/platform/UV: Allocate common per node hub info structs on local node
  x86/platform/UV: Move blade local processor ID to the per cpu info struct
  x86/platform/UV: Move scir info to the per cpu info struct
  x86/platform/UV: Create per cpu info structs to replace per hub info structs
  x86/platform/UV: Update MMIOH setup function to work for both UV3 and UV4
  x86/platform/UV: Clean up redunduncies after merge of UV4 MMR definitions
  x86/platform/UV: Add UV4 Specific MMR definitions
  x86/platform/UV: Prep for UV4 MMR updates
  x86/platform/UV: Add UV MMR Illegal Access Function
  x86/platform/UV: Add UV4 Specific Defines
  x86/platform/UV: Add UV Architecture Defines
  x86/platform/UV: Add Initial UV4 definitions
  ...
2016-05-16 16:46:03 -07:00
Linus Torvalds
168f1a7163 Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
 "The main changes in this cycle were:

   - MSR access API fixes and enhancements (Andy Lutomirski)

   - early exception handling improvements (Andy Lutomirski)

   - user-space FS/GS prctl usage fixes and improvements (Andy
     Lutomirski)

   - Remove the cpu_has_*() APIs and replace them with equivalents
     (Borislav Petkov)

   - task switch micro-optimization (Brian Gerst)

   - 32-bit entry code simplification (Denys Vlasenko)

   - enhance PAT handling in enumated CPUs (Toshi Kani)

  ... and lots of other cleanups/fixlets"

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (70 commits)
  x86/arch_prctl/64: Restore accidentally removed put_cpu() in ARCH_SET_GS
  x86/entry/32: Remove asmlinkage_protect()
  x86/entry/32: Remove GET_THREAD_INFO() from entry code
  x86/entry, sched/x86: Don't save/restore EFLAGS on task switch
  x86/asm/entry/32: Simplify pushes of zeroed pt_regs->REGs
  selftests/x86/ldt_gdt: Test set_thread_area() deletion of an active segment
  x86/tls: Synchronize segment registers in set_thread_area()
  x86/asm/64: Rename thread_struct's fs and gs to fsbase and gsbase
  x86/arch_prctl/64: Remove FSBASE/GSBASE < 4G optimization
  x86/segments/64: When load_gs_index fails, clear the base
  x86/segments/64: When loadsegment(fs, ...) fails, clear the base
  x86/asm: Make asm/alternative.h safe from assembly
  x86/asm: Stop depending on ptrace.h in alternative.h
  x86/entry: Rename is_{ia32,x32}_task() to in_{ia32,x32}_syscall()
  x86/asm: Make sure verify_cpu() has a good stack
  x86/extable: Add a comment about early exception handlers
  x86/msr: Set the return value to zero when native_rdmsr_safe() fails
  x86/paravirt: Make "unsafe" MSR accesses unsafe even if PARAVIRT=y
  x86/paravirt: Add paravirt_{read,write}_msr()
  x86/msr: Carry on after a non-"safe" MSR access fails
  ...
2016-05-16 15:15:17 -07:00
Linus Torvalds
825a3b2605 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:

 - massive CPU hotplug rework (Thomas Gleixner)

 - improve migration fairness (Peter Zijlstra)

 - CPU load calculation updates/cleanups (Yuyang Du)

 - cpufreq updates (Steve Muckle)

 - nohz optimizations (Frederic Weisbecker)

 - switch_mm() micro-optimization on x86 (Andy Lutomirski)

 - ... lots of other enhancements, fixes and cleanups.

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (66 commits)
  ARM: Hide finish_arch_post_lock_switch() from modules
  sched/core: Provide a tsk_nr_cpus_allowed() helper
  sched/core: Use tsk_cpus_allowed() instead of accessing ->cpus_allowed
  sched/loadavg: Fix loadavg artifacts on fully idle and on fully loaded systems
  sched/fair: Correct unit of load_above_capacity
  sched/fair: Clean up scale confusion
  sched/nohz: Fix affine unpinned timers mess
  sched/fair: Fix fairness issue on migration
  sched/core: Kill sched_class::task_waking to clean up the migration logic
  sched/fair: Prepare to fix fairness problems on migration
  sched/fair: Move record_wakee()
  sched/core: Fix comment typo in wake_q_add()
  sched/core: Remove unused variable
  sched: Make hrtick_notifier an explicit call
  sched/fair: Make ilb_notifier an explicit call
  sched/hotplug: Make activate() the last hotplug step
  sched/hotplug: Move migration CPU_DYING to sched_cpu_dying()
  sched/migration: Move CPU_ONLINE into scheduler state
  sched/migration: Move calc_load_migrate() into CPU_DYING
  sched/migration: Move prepare transition to SCHED_STARTING state
  ...
2016-05-16 14:47:16 -07:00
Linus Torvalds
36db171cc7 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "Bigger kernel side changes:

   - Add backwards writing capability to the perf ring-buffer code,
     which is preparation for future advanced features like robust
     'overwrite support' and snapshot mode.  (Wang Nan)

   - Add pause and resume ioctls for the perf ringbuffer (Wang Nan)

   - x86 Intel cstate code cleanups and reorgnization (Thomas Gleixner)

   - x86 Intel uncore and CPU PMU driver updates (Kan Liang, Peter
     Zijlstra)

   - x86 AUX (Intel PT) related enhancements and updates (Alexander
     Shishkin)

   - x86 MSR PMU driver enhancements and updates (Huang Rui)

   - ... and lots of other changes spread out over 40+ commits.

  Biggest tooling side changes:

   - 'perf trace' features and enhancements.  (Arnaldo Carvalho de Melo)

   - BPF tooling updates (Wang Nan)

   - 'perf sched' updates (Jiri Olsa)

   - 'perf probe' updates (Masami Hiramatsu)

   - ... plus 200+ other enhancements, fixes and cleanups to tools/

  The merge commits, the shortlog and the changelogs contain a lot more
  details"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (249 commits)
  perf/core: Disable the event on a truncated AUX record
  perf/x86/intel/pt: Generate PMI in the STOP region as well
  perf buildid-cache: Use lsdir() for looking up buildid caches
  perf symbols: Use lsdir() for the search in kcore cache directory
  perf tools: Use SBUILD_ID_SIZE where applicable
  perf tools: Fix lsdir to set errno correctly
  perf trace: Move seccomp args beautifiers to tools/perf/trace/beauty/
  perf trace: Move flock op beautifier to tools/perf/trace/beauty/
  perf build: Add build-test for debug-frame on arm/arm64
  perf build: Add build-test for libunwind cross-platforms support
  perf script: Fix export of callchains with recursion in db-export
  perf script: Fix callchain addresses in db-export
  perf script: Fix symbol insertion behavior in db-export
  perf symbols: Add dso__insert_symbol function
  perf scripting python: Use Py_FatalError instead of die()
  perf tools: Remove xrealloc and ALLOC_GROW
  perf help: Do not use ALLOC_GROW in add_cmd_list
  perf pmu: Make pmu_formats_string to check return value of strbuf
  perf header: Make topology checkers to check return value of strbuf
  perf tools: Make alias handler to check return value of strbuf
  ...
2016-05-16 14:08:43 -07:00
Dave Airlie
99ee872950 Merge tag 'topic/drm-misc-2016-05-13' of git://anongit.freedesktop.org/drm-intel into drm-next
I kinda hoped that I could still sneak in Noralf's
drm_simple_display_pipe, since there's intereset by others now (for tilcdc
at least). But it wasn't ready by a hair. Oh well.

Otherwise random stuff plus prep patches from Noralf.

* tag 'topic/drm-misc-2016-05-13' of git://anongit.freedesktop.org/drm-intel:
  drm/atomic: Add drm_atomic_helper_best_encoder()
  drm/atomic: Don't skip drm_bridge_*() calls if !drm_encoder_helper_funcs
  drm/fb-cma-helper: Hook up to DocBook and fix some docs
  drm/fb-helper: Remove mention of CONFIG_FB_DEFERRED_IO in docs
  drm/sti: include linux/seq_file.h where needed
  drm/tegra: Use lockless gem BO free callback
  drm/exynos: Use lockless gem BO free callback
  drm: Make drm_encoder_helper_funcs optional
2016-05-17 07:06:14 +10:00
Linus Torvalds
1c19b68a27 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking changes from Ingo Molnar:
 "The main changes in this cycle were:

   - pvqspinlock statistics fixes (Davidlohr Bueso)

   - flip atomic_fetch_or() arguments (Peter Zijlstra)

   - locktorture simplification (Paul E.  McKenney)

   - documentation updates (SeongJae Park, David Howells, Davidlohr
     Bueso, Paul E McKenney, Peter Zijlstra, Will Deacon)

   - various fixes"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/atomics: Flip atomic_fetch_or() arguments
  locking/pvqspinlock: Robustify init_qspinlock_stat()
  locking/pvqspinlock: Avoid double resetting of stats
  lcoking/locktorture: Simplify the torture_runnable computation
  locking/Documentation: Clarify that ACQUIRE applies to loads, RELEASE applies to stores
  locking/Documentation: State purpose of memory-barriers.txt
  locking/Documentation: Add disclaimer
  locking/Documentation/lockdep: Fix spelling mistakes
  locking/lockdep: Deinline register_lock_class(), save 2328 bytes
  locking/locktorture: Fix NULL pointer dereference for cleanup paths
  locking/locktorture: Fix deboosting NULL pointer dereference
  locking/Documentation: Mention smp_cond_acquire()
  locking/Documentation: Insert white spaces consistently
  locking/Documentation: Fix formatting inconsistencies
  locking/Documentation: Add missed subsection in TOC
  locking/Documentation: Fix missed s/lock/acquire renames
  locking/Documentation: Clarify relationship of barrier() to control dependencies
2016-05-16 13:17:56 -07:00
Linus Torvalds
a3871bd434 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The main changes are:

   - Documentation updates, including fixes to the design-level
     requirements documentation and a fixed version of the design-level
     data-structure documentation.  These fixes include removing
     cartoons and getting rid of the html/htmlx duplication.

   - Further improvements to the new-age expedited grace periods.

   - Miscellaneous fixes.

   - Torture-test changes, including a new rcuperf module for measuring
     RCU grace-period performance and scalability, which is useful for
     the expedited-grace-period changes"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits)
  rcutorture: Add boot-time adjustment of leaf fanout
  rcutorture: Add irqs-disabled test for call_rcu()
  rcutorture: Dump trace buffer upon shutdown
  rcutorture: Don't rebuild identical kernel
  rcutorture: Add OS-jitter capability
  documentation: Add documentation for RCU's major data structures
  rcutorture: Convert test duration to seconds early
  torture: Kill qemu, not parent process
  torture: Clarify refusal to run more than one torture test
  rcutorture: Consider FROZEN hotplug notifier transitions
  rcutorture: Remove redundant initialization to zero
  rcuperf: Do not wake up shutdown wait queue if "shutdown" is false.
  rcutorture: Add largish-system rcuperf scenario
  rcutorture: Avoid RCU CPU stall warning and RT throttling
  rcutorture: Add rcuperf holdoff boot parameter to reduce interference
  rcutorture: Make scripts analyze rcuperf trace data, if present
  rcutorture: Make rcuperf collect expedited event-trace data
  rcutorture: Print measure of batching efficiency
  rcutorture: Set rcuperf writer kthreads to real-time priority
  rcutorture: Bind rcuperf reader/writer kthreads to CPUs
  ...
2016-05-16 12:02:08 -07:00
Daniel Borkmann
4f3446bb80 bpf: add generic constant blinding for use in jits
This work adds a generic facility for use from eBPF JIT compilers
that allows for further hardening of JIT generated images through
blinding constants. In response to the original work on BPF JIT
spraying published by Keegan McAllister [1], most BPF JITs were
changed to make images read-only and start at a randomized offset
in the page, where the rest was filled with trap instructions. We
have this nowadays in x86, arm, arm64 and s390 JIT compilers.
Additionally, later work also made eBPF interpreter images read
only for kernels supporting DEBUG_SET_MODULE_RONX, that is, x86,
arm, arm64 and s390 archs as well currently. This is done by
default for mentioned JITs when JITing is enabled. Furthermore,
we had a generic and configurable constant blinding facility on our
todo for quite some time now to further make spraying harder, and
first implementation since around netconf 2016.

We found that for systems where untrusted users can load cBPF/eBPF
code where JIT is enabled, start offset randomization helps a bit
to make jumps into crafted payload harder, but in case where larger
programs that cross page boundary are injected, we again have some
part of the program opcodes at a page start offset. With improved
guessing and more reliable payload injection, chances can increase
to jump into such payload. Elena Reshetova recently wrote a test
case for it [2, 3]. Moreover, eBPF comes with 64 bit constants, which
can leave some more room for payloads. Note that for all this,
additional bugs in the kernel are still required to make the jump
(and of course to guess right, to not jump into a trap) and naturally
the JIT must be enabled, which is disabled by default.

For helping mitigation, the general idea is to provide an option
bpf_jit_harden that admins can tweak along with bpf_jit_enable, so
that for cases where JIT should be enabled for performance reasons,
the generated image can be further hardened with blinding constants
for unpriviledged users (bpf_jit_harden == 1), with trading off
performance for these, but not for privileged ones. We also added
the option of blinding for all users (bpf_jit_harden == 2), which
is quite helpful for testing f.e. with test_bpf.ko. There are no
further e.g. hardening levels of bpf_jit_harden switch intended,
rationale is to have it dead simple to use as on/off. Since this
functionality would need to be duplicated over and over for JIT
compilers to use, which are already complex enough, we provide a
generic eBPF byte-code level based blinding implementation, which is
then just transparently JITed. JIT compilers need to make only a few
changes to integrate this facility and can be migrated one by one.

This option is for eBPF JITs and will be used in x86, arm64, s390
without too much effort, and soon ppc64 JITs, thus that native eBPF
can be blinded as well as cBPF to eBPF migrations, so that both can
be covered with a single implementation. The rule for JITs is that
bpf_jit_blind_constants() must be called from bpf_int_jit_compile(),
and in case blinding is disabled, we follow normally with JITing the
passed program. In case blinding is enabled and we fail during the
process of blinding itself, we must return with the interpreter.
Similarly, in case the JITing process after the blinding failed, we
return normally to the interpreter with the non-blinded code. Meaning,
interpreter doesn't change in any way and operates on eBPF code as
usual. For doing this pre-JIT blinding step, we need to make use of
a helper/auxiliary register, here BPF_REG_AX. This is strictly internal
to the JIT and not in any way part of the eBPF architecture. Just like
in the same way as JITs internally make use of some helper registers
when emitting code, only that here the helper register is one
abstraction level higher in eBPF bytecode, but nevertheless in JIT
phase. That helper register is needed since f.e. manually written
program can issue loads to all registers of eBPF architecture.

The core concept with the additional register is: blind out all 32
and 64 bit constants by converting BPF_K based instructions into a
small sequence from K_VAL into ((RND ^ K_VAL) ^ RND). Therefore, this
is transformed into: BPF_REG_AX := (RND ^ K_VAL), BPF_REG_AX ^= RND,
and REG <OP> BPF_REG_AX, so actual operation on the target register
is translated from BPF_K into BPF_X one that is operating on
BPF_REG_AX's content. During rewriting phase when blinding, RND is
newly generated via prandom_u32() for each processed instruction.
64 bit loads are split into two 32 bit loads to make translation and
patching not too complex. Only basic thing required by JITs is to
call the helper bpf_jit_blind_constants()/bpf_jit_prog_release_other()
pair, and to map BPF_REG_AX into an unused register.

Small bpf_jit_disasm extract from [2] when applied to x86 JIT:

echo 0 > /proc/sys/net/core/bpf_jit_harden

  ffffffffa034f5e9 + <x>:
  [...]
  39:   mov    $0xa8909090,%eax
  3e:   mov    $0xa8909090,%eax
  43:   mov    $0xa8ff3148,%eax
  48:   mov    $0xa89081b4,%eax
  4d:   mov    $0xa8900bb0,%eax
  52:   mov    $0xa810e0c1,%eax
  57:   mov    $0xa8908eb4,%eax
  5c:   mov    $0xa89020b0,%eax
  [...]

echo 1 > /proc/sys/net/core/bpf_jit_harden

  ffffffffa034f1e5 + <x>:
  [...]
  39:   mov    $0xe1192563,%r10d
  3f:   xor    $0x4989b5f3,%r10d
  46:   mov    %r10d,%eax
  49:   mov    $0xb8296d93,%r10d
  4f:   xor    $0x10b9fd03,%r10d
  56:   mov    %r10d,%eax
  59:   mov    $0x8c381146,%r10d
  5f:   xor    $0x24c7200e,%r10d
  66:   mov    %r10d,%eax
  69:   mov    $0xeb2a830e,%r10d
  6f:   xor    $0x43ba02ba,%r10d
  76:   mov    %r10d,%eax
  79:   mov    $0xd9730af,%r10d
  7f:   xor    $0xa5073b1f,%r10d
  86:   mov    %r10d,%eax
  89:   mov    $0x9a45662b,%r10d
  8f:   xor    $0x325586ea,%r10d
  96:   mov    %r10d,%eax
  [...]

As can be seen, original constants that carry payload are hidden
when enabled, actual operations are transformed from constant-based
to register-based ones, making jumps into constants ineffective.
Above extract/example uses single BPF load instruction over and
over, but of course all instructions with constants are blinded.

Performance wise, JIT with blinding performs a bit slower than just
JIT and faster than interpreter case. This is expected, since we
still get all the performance benefits from JITing and in normal
use-cases not every single instruction needs to be blinded. Summing
up all 296 test cases averaged over multiple runs from test_bpf.ko
suite, interpreter was 55% slower than JIT only and JIT with blinding
was 8% slower than JIT only. Since there are also some extremes in
the test suite, I expect for ordinary workloads that the performance
for the JIT with blinding case is even closer to JIT only case,
f.e. nmap test case from suite has averaged timings in ns 29 (JIT),
35 (+ blinding), and 151 (interpreter).

BPF test suite, seccomp test suite, eBPF sample code and various
bigger networking eBPF programs have been tested with this and were
running fine. For testing purposes, I also adapted interpreter and
redirected blinded eBPF image to interpreter and also here all tests
pass.

  [1] http://mainisusuallyafunction.blogspot.com/2012/11/attacking-hardened-linux-systems-with.html
  [2] https://github.com/01org/jit-spray-poc-for-ksp/
  [3] http://www.openwall.com/lists/kernel-hardening/2016/05/03/5

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Elena Reshetova <elena.reshetova@intel.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-16 13:49:32 -04:00
Uwe Kleine-König
da47b45720 phy: add support for a reset-gpio specification
The framework only asserts (for now) that the reset gpio is not active.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-16 13:22:53 -04:00
David Bond
b3c8eb5038 ibft: Expose iBFT acpi header via sysfs
Some ethernet adapter vendors are supplying products which support optional
(payed license) features. On some adapters this includes a hardware iscsi
initiator.  The same adapters in a normal (no extra licenses) mode of
operation can be used as a software iscsi initiator.  In addition, software
iscsi boot initiators are becoming a standard part of many vendors uefi
implementations.  This is creating difficulties during early boot/install
determining the proper configuration method for these adapters when they
are used as a boot device.

The attached patch creates sysfs entries to expose information from the
acpi header of the ibft table.  This information allows for a method to
easily determining if an ibft table was created by a ethernet card's
firmware or the system uefi/bios.  In the case of a hardware initiator this
information in combination with the pci vendor and device id can be used
to ascertain any vendor specific behaviors that need to be accommodated.

Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: David Bond <dbond@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2016-05-16 11:14:29 -04:00
Rafael J. Wysocki
efc499f980 Merge branches 'acpi-numa', 'acpi-tables' and 'acpi-osi'
* acpi-numa:
  ACPI / SRAT: fix SRAT parsing order with both LAPIC and X2APIC present

* acpi-tables:
  ACPI / tables: Fix DSDT override mechanism
  ACPI / tables: Convert initrd table override to table upgrade mechanism
  ACPI / x86: Cleanup initrd related code
  ACPI / tables: Move table override mechanisms to tables.c

* acpi-osi:
  ACPI / osi: Collect _OSI handling into one single file
  ACPI / osi: Cleanup coding style issues before creating a separate OSI source file
  ACPI / osi: Cleanup OSI handling code to use bool
  ACPI / osi: Fix default _OSI(Darwin) support
  ACPI / osi: Add acpi_osi=!! to allow reverting acpi_osi=!
  ACPI / osi: Cleanup _OSI("Linux") related code before introducing new support
  ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings

Conflicts:
	drivers/acpi/internal.h
2016-05-16 16:45:25 +02:00
Takashi Iwai
a158f2b79f ASoC: Updates for v4.7
The updates this time around are almost all driver code:
 
  - Further slow progress on the topology code.
  - Substantial updates and improvements for the da7219, es8328, fsl-ssi
    Intel and rcar drivers.
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Merge tag 'asoc-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.7

The updates this time around are almost all driver code:

 - Further slow progress on the topology code.
 - Substantial updates and improvements for the da7219, es8328, fsl-ssi
   Intel and rcar drivers.
2016-05-16 14:59:00 +02:00
Rafael J. Wysocki
27c4a1c5ef Merge branches 'pm-avs', 'pm-clk', 'powercap' and 'pm-tools'
* pm-avs:
  PM / AVS: rockchip-io: make io-domains a child of the GRF

* pm-clk:
  PM / clk: ensure we don't allocate a -ve size of count clks

* powercap:
  powercap/intel_rapl: Add support for Kabylake

* pm-tools:
  cpupower: fix potential memory leak
  cpupower: Add cpuidle parts into library
  cpupowerutils: bench: trivial fix of spelling mistake on "average"
  Fix cpupower manpages "NAME" section
  cpupower: bench: parse.c: fix several resource leaks
  Honour user's LDFLAGS
2016-05-16 14:31:56 +02:00
Rafael J. Wysocki
7777c2785b Merge branch 'pm-devfreq'
* pm-devfreq:
  PM / devfreq: style/typo fixes
  PM / devfreq: exynos: Add the detailed correlation for Exynos5422 bus
  PM / devfreq: event: Find the instance of devfreq-event device by using phandle
  PM / devfreq: event: Add new Exynos NoC probe driver
  MAINTAINERS: Add samsung bus frequency driver entry
  PM / devfreq: exynos: Remove unused exynos4/5 busfreq driver
  PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line
  PM / devfreq: exynos: Update documentation for bus devices using passive governor
  PM / devfreq: exynos: Add support of bus frequency of sub-blocks using passive governor
  PM / devfreq: Add new passive governor
  PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier
  PM / devfreq: Add devfreq_get_devfreq_by_phandle()
  PM / devfreq: exynos: Add documentation for generic exynos bus frequency driver
  PM / devfreq: exynos: Add generic exynos bus frequency driver
2016-05-16 14:31:15 +02:00
Rafael J. Wysocki
c47b3bd0d3 Merge branch 'pm-cpufreq'
* pm-cpufreq: (63 commits)
  intel_pstate: Clean up get_target_pstate_use_performance()
  intel_pstate: Use sample.core_avg_perf in get_avg_pstate()
  intel_pstate: Clarify average performance computation
  intel_pstate: Avoid unnecessary synchronize_sched() during initialization
  cpufreq: schedutil: Make default depend on CONFIG_SMP
  cpufreq: powernv: del_timer_sync when global and local pstate are equal
  cpufreq: powernv: Move smp_call_function_any() out of irq safe block
  intel_pstate: Clean up intel_pstate_get()
  cpufreq: schedutil: Make it depend on CONFIG_SMP
  cpufreq: governor: Fix handling of special cases in dbs_update()
  cpufreq: intel_pstate: Ignore _PPC processing under HWP
  cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table
  cpufreq: tango: Use generic platdev driver
  cpufreq: Fix GOV_LIMITS handling for the userspace governor
  cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/
  cpufreq: dt: Kill platform-data
  mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared
  cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2
  cpufreq: governor: Change confusing struct field and variable names
  cpufreq: intel_pstate: Enable PPC enforcement for servers
  ...
2016-05-16 14:30:43 +02:00
Simon Horman
5b5fe95a69 mmc: sdhci-st: correct name of sd-uhs-sdr50 property
Correct what appears to be a typo in the name of the sd-uhs-sdr50.

Also fix mixed tab/space indentation.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-16 11:31:26 +02:00
David S. Miller
909b27f706 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
The nf_conntrack_core.c fix in 'net' is not relevant in 'net-next'
because we no longer have a per-netns conntrack hash.

The ip_gre.c conflict as well as the iwlwifi ones were cases of
overlapping changes.

Conflicts:
	drivers/net/wireless/intel/iwlwifi/mvm/tx.c
	net/ipv4/ip_gre.c
	net/netfilter/nf_conntrack_core.c

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-15 13:32:48 -04:00
Niklas Söderlund
73e8b05283 i2c: rcar: add DMA support
Make it possible to transfer i2c message buffers via DMA.
Start/Stop/Sending_Slave_Address and some data is still handled using
the old state machine, it is sending the bulk of the data that is done
via DMA.

The first byte of a transmission and the last two bytes of reception are
sent/received using PIO. This is needed for the HW to have access to the
first byte before DMA transmit and to be able to set the STOP condition
for DMA reception.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
[wsa: fixed a checkpatch warning]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-05-15 08:52:49 +02:00
William Breathitt Gray
ae67643edc Documentation: Add ebc-c384_wdt watchdog-parameters.txt entry
The WinSystems EBC-C384 watchdog timer driver supports two module
parameters: timeout and nowayout. These parameters should be documented
in the watchdog-parameters.txt file.

Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-05-14 18:28:29 +02:00
Geert Uytterhoeven
b79ef07d20 serial: doc: Use port->state instead of info
As of commit ebd2c8f6d2 ("serial: kill off uart_info"), the
circular transmission buffer is part of struct uart_state instead of
struct uart_info. Make it clear this structure is pointed to from struct
uart_port.

Change 'circ' to 'circ_buf' to match the structure name while we're at
it.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-05-14 10:18:25 -06:00
Geert Uytterhoeven
95f981f2e3 serial: doc: Always refer to tty_port->mutex
Stop referring to the mutex member of the tty_port struct as
'port->mutex', as 'port' is ambiguous, and usually refers to the
uart_port struct in this document.  Use 'tty_port->mutex' instead,
following the single existing use.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-05-14 10:18:19 -06:00
Wolfram Sang
bd99b68ed7 watchdog: renesas-wdt: add driver
Add support for watchdogs (RWDT and SWDT) found on RCar Gen3 based SoCs
from Renesas.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-05-14 18:15:40 +02:00
Geert Uytterhoeven
30955e71fc Documentation: vm: Spelling s/paltform/platform/g
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-05-14 10:15:10 -06:00
Qiang Huang
2bdbc5bc16 Documentation/memcg: update kmem limit doc as codes behavior
The restriction of kmem setting is not there anymore because the
accounting is enabled by default even in the cgroup v1 - see
b313aeee25 ("mm: memcontrol: enable kmem accounting for all
cgroups in the legacy hierarchy").

Update docs accordingly.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-05-14 10:12:45 -06:00
Nigel Croxon
84df082cad watchdog: hpwdt: Adjust documentation to match latest kernel module parameters.
Adjust documentation to match latest kernel module parameters.

Signed-off-by: Nigel Croxon <nigel.croxon@hpe.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-05-14 09:40:36 +02:00
Tim Harvey
bc677ff42e watchdog: imx2_wdt: add external reset support via dt prop
The IMX6 watchdog supports assertion of a signal (WDOG_B) which
can be pinmux'd to an external pin. This is typically used for boards that
have PMIC's in control of the IMX6 power rails. In fact, failure to use
such an external reset on boards with external PMIC's can result in various
hangs due to the IMX6 not being fully reset [1] as well as the board failing
to reset because its PMIC has not been reset to provide adequate voltage for
the CPU when coming out of reset at 800Mhz.

This uses a new device-tree property 'fsl,ext-reset-output' to indicate the
board has such a reset and to cause the watchdog to be configured to assert
WDOG_B instead of an internal reset both on a watchdog timeout and in
system_restart.

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/333689.html

Cc: Fabio Estevam <festevam@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Iain Paton <ipaton0@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-05-14 09:36:38 +02:00
Sinan Kaya
42d236f8a4 dmaengine: qcom_hidma: add support for object hierarchy
In order to create a relationship model between the channels and the
management object, we are adding support for object hierarchy to the
drivers. This patch simplifies the userspace application development.
We will not have to traverse different firmware paths based on device
tree or ACPI based kernels.

No matter what flavor of kernel is used, objects will be represented as
platform devices.

The new layout is as follows:

hidmam_10: hidma-mgmt@0x5A000000 {
	compatible = "qcom,hidma-mgmt-1.0";
	...

	hidma_10: hidma@0x5a010000 {
			compatible = "qcom,hidma-1.0";
			...
	}
}

The hidma_mgmt_init detects each instance of the hidma-mgmt-1.0 objects
in device tree and calls into the channel driver to create platform devices
for each child of the management object.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-14 11:54:45 +05:30
Linus Torvalds
c42b8fe941 regmap: Fixes for v4.6
This is rather too late so it'd be completely understandable if you
 don't want to pull it at this point, I had thought I'd sent this earlier
 but it seems I didn't.  Everything has been in -next for some time now.
 
 The main set of fixes here are mopping up some more issues with MMIO,
 fixing handling of endianness configuration in DT (which just wasn't
 working at all) and cases where the register and value endianness are
 different.
 
 There is also a fix for bulk register reads on SPMI.
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Merge tag 'regmap-fix-v4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "This is rather too late so it'd be completely understandable if you
  don't want to pull it at this point, I had thought I'd sent this
  earlier but it seems I didn't.  Everything has been in -next for some
  time now.

  The main set of fixes here are mopping up some more issues with MMIO,
  fixing handling of endianness configuration in DT (which just wasn't
  working at all) and cases where the register and value endianness are
  different.

  There is also a fix for bulk register reads on SPMI"

* tag 'regmap-fix-v4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case
  regmap: mmio: Explicitly say little endian is the defualt in the bus config
  regmap: mmio: Parse endianness definitions from DT
  regmap: Fix implicit inclusion of device.h
  regmap: mmio: Fix value endianness selection
  regmap: fix documentation to match code
2016-05-13 09:40:32 -07:00
Purna Chandra Mandal
d863dc9e58 dt/bindings/clk: Add PIC32 clock binding documentation.
Document the devicetree bindings for the clock driver found on Microchip
PIC32 class devices.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-clk@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13246/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 15:30:25 +02:00
Mark Brown
180bc41ad1 Merge remote-tracking branches 'asoc/topic/es8328', 'asoc/topic/find-dai', 'asoc/topic/fsl', 'asoc/topic/fsl-sai' and 'asoc/topic/fsl-ssi' into asoc-next 2016-05-13 14:27:01 +01:00
Mark Brown
e449f7a394 Merge remote-tracking branches 'asoc/topic/davinci' and 'asoc/topic/dwc' into asoc-next 2016-05-13 14:26:46 +01:00
Mark Brown
e74ac45d89 Merge remote-tracking branch 'asoc/topic/pcm5102' into asoc-next 2016-05-13 14:26:23 +01:00
Mark Brown
4f38c566a0 Merge remote-tracking branches 'regulator/topic/tps6524x' and 'regulator/topic/twl' into regulator-next 2016-05-13 14:23:49 +01:00
Mark Brown
39d652e066 Merge remote-tracking branches 'regulator/topic/pwm', 'regulator/topic/qcom-spmi', 'regulator/topic/rk808' and 'regulator/topic/s2mps11' into regulator-next 2016-05-13 14:23:46 +01:00
Mark Brown
eb76d8407c Merge remote-tracking branches 'regulator/topic/max77686', 'regulator/topic/max8973', 'regulator/topic/maxim', 'regulator/topic/palmas' and 'regulator/topic/pv88080' into regulator-next 2016-05-13 14:23:38 +01:00
Mark Brown
ce59dedfef Merge remote-tracking branches 'regulator/topic/fan53555', 'regulator/topic/lp3971', 'regulator/topic/lp3972', 'regulator/topic/lp873x' and 'regulator/topic/max77620' into regulator-next 2016-05-13 14:23:34 +01:00
Mark Brown
8595bb27ce Merge remote-tracking branches 'regulator/topic/abb', 'regulator/topic/act8865', 'regulator/topic/as3722' and 'regulator/topic/axp20x' into regulator-next 2016-05-13 14:23:08 +01:00
Purna Chandra Mandal
bfa43267bc dt/bindings: Add bindings for PIC32 deadman timer peripheral
Document the devicetree bindings for the deadman timer peripheral found on
Microchip PIC32 SoC class devices.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12702/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:02:12 +02:00
Joshua Henderson
80c2902b3f dt/bindings: Add bindings for PIC32 watchdog peripheral
Document the devicetree bindings for the watchdog peripheral found on
Microchip PIC32 SoC class devices.

Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12700/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:02:12 +02:00
Álvaro Fernández Rojas
3652acd231 MIPS: BMIPS: Add support for BCM63268
This SoC is very similar to BCM63168 and Broadcom usually refers to them as
BCM63268.
Add BCM63268 and missing BCM63168 to device tree documentation.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13042/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:02:09 +02:00
Álvaro Fernández Rojas
7537d273e2 MIPS: BMIPS: Add device tree example for BCM6358
This adds a device tree example for SFR Neufbox4 (Sercomm version), which
also serves as a real example for brcm,bcm6358-leds.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13041/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:02:09 +02:00
Simon Arlott
331ae5fc3e irqchip: Add brcm, bcm6345-l1-intc device tree binding
Add device tree binding for the BCM6345 interrupt controller.

This controller is similar to the SMP-capable BCM7038 and
the BCM3380 but with packed interrupt registers.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Jonas Gorski <jogo@openwrt.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11804/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:59 +02:00
Andrei Pistirica
81dfdd39c7 dt/bindings: Add bindings for PIC32 UART driver
Document the devicetree bindings for the UART peripheral found on
Microchip PIC32 class devices.

Signed-off-by: Andrei Pistirica <andrei.pistirica@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12100/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:56 +02:00
Antony Pavlov
f40aec27ea devicetree: add DPTechnics vendor id
Please see https://www.dptechnics.com/contact for details.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Daan Pape <daan@dptechnics.com>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12885/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:47 +02:00
Antony Pavlov
e454cc4943 devicetree: add Onion Corporation vendor id
Please see https://onion.io/contact for details.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12883/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:46 +02:00
Antony Pavlov
4d536731f8 devicetree: add Dragino vendor id
Please see http://www.dragino.com/about/about.html for details.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:46 +02:00
David Daney
ce210d35bb MIPS: OCTEON: Add support for OCTEON III interrupt controller.
Add irq_chip support for both IPI and "normal" interrupts of the CIU3
controller.  Document the device tree binding for the CIU3.

Some functions are non-static as they will be used by follow-on
support for MSI-X.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12500/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13 14:01:41 +02:00
Florian Meier
97d3ddd71f ASoC: pcm5102a: Add support for PCM5102A codec
Some definitions to support the PCM5102A codec
by Texas Instruments.

Signed-off-by: Florian Meier <florian.meier@koalo.de>

Changes to original patch by Florian Meier:
* rebased (Makefile and Kconfig
* fixed checkpath errors (spaces, newlines)
* added dt-binding documentation

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-13 11:49:44 +01:00
Mark Brown
2a2cd52190 Merge remote-tracking branches 'regmap/fix/be', 'regmap/fix/doc' and 'regmap/fix/spmi' into regmap-linus 2016-05-13 10:36:10 +01:00
Kedareswara rao Appana
4ac4e12067 Documentation: DT: vdma: Add clock support for dmas
This patch updates the binding doc with clock description
for AXI DMA's.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-13 15:00:18 +05:30
Jon Hunter
f4cb295ba6 Documentation: DT: Add binding documentation for NVIDIA ADMA
Add device-tree binding documentation for the Tegra210 Audio DMA
controller.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-13 14:56:24 +05:30
Stephen Boyd
d8609a3a2e Merge tag 'imx-clk-fixes-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-next
Pull some non-critical i.MX clk fixes from Shawn Guo:

 * Fix the commit 3713e3f5e9 ("clk: imx35: define two clocks for rtc")
   which messed up the clock enumeration when adding new clock.

* tag 'imx-clk-fixes-4.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx35: restore existing used clock enumeration
  clk: imx6q: fix typo in CAN clock definition
2016-05-12 14:48:26 -07:00
Maxime Ripard
98b8525abb clk: sunxi: Add display and TCON0 clocks driver
The A10 SoCs and its relatives has a special clock controller to drive the
display engines (both frontend and backend), that have a lot in common with
the clock to drive the first TCON channel.

Add a driver to support both.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
[sboyd@codeaurora.org: Silence variable sized array warning]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-05-12 14:47:52 -07:00
David S. Miller
7fd38193d0 Some more work for 4.7, notably:
* completion and fixups of nla_put_64_64bit() work
  * remove a/b/g/n from wext nickname to avoid confusion
    with 11ac (which wouldn't even fit fully there due to
    string length restrictions)
 
 along with some other minor changes/cleanups.
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Merge tag 'mac80211-next-for-davem-2016-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
Some more work for 4.7, notably:
 * completion and fixups of nla_put_64_64bit() work
 * remove a/b/g/n from wext nickname to avoid confusion
   with 11ac (which wouldn't even fit fully there due to
   string length restrictions)

along with some other minor changes/cleanups.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-12 11:46:58 -04:00
Bhuvanchandra DV
227e4f4079 drm/panel: simple: Add support for TPK U.S.A. LLC Fusion 7" and 10.1" panels
Add support for TPK U.S.A. LLC Fusion 7", 10.1" panels to the DRM simple
panel driver.

Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Enric Balletbo i Serra
6060fd42a2 devicetree: Add ANX7814 SlimPort transmitter binding
The ANX7814 is an ultra-low power Full-HD (1080p60) SlimPort transmitter
designed for portable devices.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Enric Balletbo i Serra
ae4927ffc7 of: Add vendor prefix for Analogix Semiconductor
Analogix Semiconductor Inc. develops analog and mixed-signal devices for
digital media and communications interconnect applications.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Riccardo Bortolato
4fc24ab3a1 drm/panel: simple: Add support for Innolux AT070TN92
Add support for the Innolux AT070TN92 panel.

Signed-off-by: Riccardo Bortolato <bortolato@navaltechitalia.it>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Maxime Ripard
cf5c9e6dc7 drm/panel: simple: Add timings for the Olimex LCD-OLinuXino-4.3TS
Add support for the Olimex LCD-OLinuXino-4.3TS panel to the DRM simple
panel driver.

It is a 480x272 panel connected through a 24-bits RGB interface.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Eric Anholt
e8b6f561b2 drm/panel: simple: Add the 7" DPI panel from Adafruit
This is a basic TFT panel with a 40-pin FPC connector on it.  The
specification doesn't define timings, but the Adafruit instructions
were setting up 800x480 CVT.

v2: Add .bus_format and vsync/hsync flags.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
[treding@nvidia.com: keep entries properly sorted]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Eric Anholt
686cfbd186 of: Add vendor prefix for On Tat Industrial Company.
This is the vendor for a 7" DPI panel sold by Adafruit which I'd like
to describe in DT.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-05-12 11:32:14 +02:00
Ingo Molnar
eb60b3e5e8 Merge branch 'sched/urgent' into sched/core to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-12 09:18:13 +02:00
Kedareswara rao Appana
3843dc282e Documentation: DT: vdma: update binding doc for AXI CDMA
This patch updates the device-tree binding doc for
adding support for AXI CDMA.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-12 11:58:41 +05:30
Kedareswara rao Appana
7e4cda70c0 Documentation: DT: vdma: update binding doc for AXI DMA
This patch updates the device-tree binding doc for
adding support for AXI DMA.
Also this patch differentiates required properties b/w
DMA and VDMA.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-12 11:58:30 +05:30
David S. Miller
631ad4a3e7 NFC 4.7 pull request
This is the first NFC pull request for 4.7. With this one we
 mainly have:
 
 - Support for NXP's pn532 NFC chipset. The pn532 is based on the same
   microcontroller as the pn533, but it talks to the host through i2c
   instead of USB. By separating the pn533 driver into core and PHY
   parts, we can not add the i2c layer and support the pn532 chipset.
 
 - Support for NCI's loopback mode. This is a testing mode where each
   packet received by the NFCC is sent back to the DH, allowing the
   host to test that the controller can receive and send data.
 
 - A few ACPI related fixes for the STMicro drivers, in order to match
   the device tree naming scheme.
 
 - A bunch of cleanups for the st-nci and the st21nfca STMicro drivers.
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Merge tag 'nfc-next-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next

Samuel Ortiz says:

====================
NFC 4.7 pull request

This is the first NFC pull request for 4.7. With this one we
mainly have:

- Support for NXP's pn532 NFC chipset. The pn532 is based on the same
  microcontroller as the pn533, but it talks to the host through i2c
  instead of USB. By separating the pn533 driver into core and PHY
  parts, we can not add the i2c layer and support the pn532 chipset.

- Support for NCI's loopback mode. This is a testing mode where each
  packet received by the NFCC is sent back to the DH, allowing the
  host to test that the controller can receive and send data.

- A few ACPI related fixes for the STMicro drivers, in order to match
  the device tree naming scheme.

- A bunch of cleanups for the st-nci and the st21nfca STMicro drivers.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-11 20:00:54 -04:00
Andrew Lunn
52638f71fc dsa: Move gpio reset into switch driver
Resetting the switch is something the driver does, not the framework.
So move the parsing of this property into the driver.

There are no in kernel users of this property, so moving it does not
break anything. There is however a board which will make use of this
property making its way into the kernel.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-11 19:36:28 -04:00
Andrew Lunn
14c7b3c387 dsa: Add mdio device support to Marvell switches
Allow Marvell switches to be mdio devices. Currently the driver just
allocate the private structure and detects what device is on the
bus. Later patches will make them register with the DSA framework.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-11 19:36:28 -04:00
Greg Kurz
0b1b1dfd52 kvm: introduce KVM_MAX_VCPU_ID
The KVM_MAX_VCPUS define provides the maximum number of vCPUs per guest, and
also the upper limit for vCPU ids. This is okay for all archs except PowerPC
which can have higher ids, depending on the cpu/core/thread topology. In the
worst case (single threaded guest, host with 8 threads per core), it limits
the maximum number of vCPUS to KVM_MAX_VCPUS / 8.

This patch separates the vCPU numbering from the total number of vCPUs, with
the introduction of KVM_MAX_VCPU_ID, as the maximal valid value for vCPU ids
plus one.

The corresponding KVM_CAP_MAX_VCPU_ID allows userspace to validate vCPU ids
before passing them to KVM_CREATE_VCPU.

This patch only implements KVM_MAX_VCPU_ID with a specific value for PowerPC.
Other archs continue to return KVM_MAX_VCPUS instead.

Suggested-by: Radim Krcmar <rkrcmar@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-11 22:37:54 +02:00
Noralf Trønnes
02da16d0fb drm/fb-cma-helper: Hook up to DocBook and fix some docs
Hook up fb_cma_helper to DocBook. Remove mention of
CONFIG_FB_DEFERRED_IO in the docs, which was forgotten in the latest
version of the deferred_io patch.
Use & when referencing drm_mode_config_funcs in docs.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462982962-10530-3-git-send-email-noralf@tronnes.org
2016-05-11 18:48:10 +02:00
Ingo Molnar
d2950158d0 Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-11 16:56:38 +02:00
Chandan Kumar
17ed7c3842 powerpc: Add HAVE_PERF_USER_STACK_DUMP support
With perf regs support enabled for powerpc, in commit ed4a4ef85c
("powerpc/perf: Add support for sampling interrupt register state"),
the support for obtaining perf user stack dump is already enabled. This
patch declares the support for same and also updates documentation to
mark the support for perf-regs and perf-stackdump.

Signed-off-by: Chandan Kumar <chandan.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-05-11 21:54:05 +10:00
Arnd Bergmann
9910f5b199 The Freescale/NXP arm64 device tree updates for 4.7:
- New board support of LS1043a-QDS from Freescale/NXP
  - Add new compatible for LS1043A and LS2080A GPIO devices
  - Update device tree bindings and sources for LS2080A fsl-mc device
  - Update QSPI and DSPI support on LS1043A and LS2080A
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Merge tag 'imx-dt64-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt64

Merge "The Freescale/NXP arm64 device tree updates for 4.7" from Shawn Guo:

 - New board support of LS1043a-QDS from Freescale/NXP
 - Add new compatible for LS1043A and LS2080A GPIO devices
 - Update device tree bindings and sources for LS2080A fsl-mc device
 - Update QSPI and DSPI support on LS1043A and LS2080A

* tag 'imx-dt64-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: ls2080a: fsl-mc dt node updates
  Documentation: fsl-mc: binding updates for MSIs, ranges, PHYs
  arm64: dts: ls1043a: add the DTS node for QSPI support
  Documentation: fsl-quadspi: Add fsl,ls1043a-qspi compatible string
  arm64: dts: ls2080a: Add compatible "fsl,ls2080a-gpio" for ls2080a gpio nodes
  arm64: dts: ls1043a: Add compatible "fsl,qoriq-gpio" for ls1043a gpio nodes
  arm64: dts: ls2080a: update the DTS for QSPI and DSPI support
  Documentation: fsl: dspi: Add fsl,ls2080a-dspi compatible string
  arm64: dts: ls1043a-rdb: add the DTS for DSPI support
  arm64: dts: add LS1043a-QDS board support
  Documentation: DT: Add entry for Freescale LS1043a-QDS board
2016-05-10 22:19:36 +02:00
Arnd Bergmann
8ed589854a arm64: tegra: Enable GM20B GPU on Tegra210
Complement the GM20B GPU device tree node on Tegra210 with missing
 properties to make it usable.
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Merge tag 'tegra-for-4.7-gm20b' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt64

Merge "arm64: tegra: Enable GM20B GPU on Tegra210" from Thierry Reding:

Complement the GM20B GPU device tree node on Tegra210 with missing
properties to make it usable.

* tag 'tegra-for-4.7-gm20b' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: tegra: Add IOMMU node to GM20B on Tegra210
  arm64: tegra: Add reference clock to GM20B on Tegra210
  dt-bindings: Add documentation for GM20B GPU
  dt-bindings: gk20a: Document iommus property
  dt-bindings: gk20a: Fix typo in compatible name
2016-05-10 22:18:14 +02:00
Arnd Bergmann
0378fe89d8 dt-bindings: gpio: tegra: Add Tegra186 support
Adds device tree bindings for the GPIO and AON controllers found on the
 Tegra186 SoC.
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Merge tag 'tegra-for-4.7-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt64

Merge "dt-bindings: gpio: tegra: Add Tegra186 support" from Thierry Reding:

Adds device tree bindings for the GPIO and AON controllers found on the
Tegra186 SoC.

* tag 'tegra-for-4.7-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: Add DT binding for Tegra186 GPIO controllers
  ARM: tegra: Fix naming in GPIO DT binding header
2016-05-10 22:16:51 +02:00
Arnd Bergmann
3a005c1d59 mvebu dt64 for 4.7
- switch to label in the mvebu arm64 device tree
 - use new clock binding on Armada 7K/8K
 - improve SPI and I2C description on Armada 7K/8k
 - add CP110 block adding PCIe, SATA and USB3
 - add XOR support on Armada 3700
 - few more little fix
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Merge tag 'mvebu-dt64-4.7-1' of git://git.infradead.org/linux-mvebu into next/dt64

Merge "mvebu dt64 for 4.7" from Gregory CLEMENT:

- switch to label in the mvebu arm64 device tree
- use new clock binding on Armada 7K/8K
- improve SPI and I2C description on Armada 7K/8k
- add CP110 block adding PCIe, SATA and USB3
- add XOR support on Armada 3700
- few more little fix

* tag 'mvebu-dt64-4.7-1' of git://git.infradead.org/linux-mvebu:
  arm64: dts: marvell: add XOR node for Armada 3700 SoC
  arm64: dts: marvell: Use a SoC-specific compatible for xHCI on Armada37xx
  arm64: dts: marvell: Rename armada-37xx USB node
  arm64: dts: marvell: Clean up armada-3720-db
  arm64: dts: marvell: enable several CP interfaces on Armada 7040-DB
  arm64: dts: marvell: initial DT description of Armada 7K/8K CP110 master
  arm64: dts: marvell: use the proper I2C controller compatible string for 7K/8K
  arm64: dts: marvell: improve SPI flash description on Armada 7040-DB
  arm64: dts: marvell: use new clock binding on Armada AP806
  arm64: dts: marvell: add UART aliases and define stdout-path
  arm64: dts: marvell: rename armada-ap806 XOR nodes
  arm64: dts: marvell: clean up armada-7040-db
2016-05-10 22:14:52 +02:00
Arnd Bergmann
f1c09c3e96 Adding the new rk3399 core devicetree support as well as a board
dts for the evaluation board of this chip and similar to the arm32
 side also move the rk3368 thermal data into the core soc dtsi, as
 there really is no need to keep it separate.
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Merge tag 'v4.7-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt64

Merge "Rockchip dts64 updates for v4.7 - part2" from Heiko Stübner:

Adding the new rk3399 core devicetree support as well as a board
dts for the evaluation board of this chip and similar to the arm32
side also move the rk3368 thermal data into the core soc dtsi, as
there really is no need to keep it separate.

* tag 'v4.7-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  dt-bindings: document rockchip rk3399-evb board
  arm64: dts: rockchip: add dts file for RK3399 evaluation board
  arm64: dts: rockchip: add core dtsi file for RK3399 SoCs
  dt-bindings: rockchip-dw-mshc: add description for rk3399
  clk: rockchip: export some necessary rk3399 clock ids
  clk: rockchip: rename rga clock-id on rk3399
  clk: rockchip: add general gpu soft-reset on rk3399
  arm64: dts: rockchip: move the rk3368 thermal data into rk3368.dtsi
  clk: rockchip: fix checkpatch errors in rk3399 dt-binding header
  clk: rockchip: add dt-binding header for rk3399
2016-05-10 22:06:49 +02:00
Dirk Gouders
032a318719 kconfig-language: elaborate on the type of a choice
The type of a choice can be specified explicitely or it will be
set according to members of the choice group, see menu.c:menu_finalize().

Signed-off-by: Dirk Gouders <dirk@gouders.net>
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-05-10 17:30:14 +02:00
Dirk Gouders
3e2ba95f43 kconfig-language: fix comment on dependency-generated menu structures.
In the given example, the comment becomes visible when it's dependency
is set to 'n', but the text asserts the opposite.

Signed-off-by: Dirk Gouders <dirk@gouders.net>
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-05-10 17:30:09 +02:00
Paolo Bonzini
6ac0f61f47 KVM: s390: features and fixes for 4.7 part2
- Use hardware provided information about facility bits that do not
   need any hypervisor activitiy
 - Add missing documentation for KVM_CAP_S390_RI
 - Some updates/fixes for handling cpu models and facilities
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Merge tag 'kvm-s390-next-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

KVM: s390: features and fixes for 4.7 part2

- Use hardware provided information about facility bits that do not
  need any hypervisor activitiy
- Add missing documentation for KVM_CAP_S390_RI
- Some updates/fixes for handling cpu models and facilities
2016-05-10 16:37:38 +02:00
Arnd Bergmann
18aab73fba aspeed devicetree for 4.7
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Merge tag 'aspeed-for-4.7-dts' of https://github.com/shenki/linux into next/dt

Merge "aspeed devicetree for 4.7" from Joel Stanley:

This device trees for a pair of Aspeed BMC SoCs and the boards that
they sit in.

* tag 'aspeed-for-4.7-dts' of https://github.com/shenki/linux:
  arm/dst: Add Aspeed ast2500 device tree
  arm/dts: Add Aspeed ast2400 device tree
  doc/devicetree: Add Aspeed and Tyan to vendor-prefixes
2016-05-10 16:08:21 +02:00
Takashi Iwai
2e00fde5c6 Merge branch 'for-linus' into for-next 2016-05-10 16:06:04 +02:00
Arnd Bergmann
7430bc1942 - add pinctrl node for mt2701
- add mt2701 pmic wrapper binding
 - add auxadc binding document
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Merge tag 'v4.6-next-dts' of https://github.com/mbgg/linux-mediatek into next/dt

Merge "ARM: mediatek: dts updates for v4.7" from Matthias Brugger:

- add pinctrl node for mt2701
- add mt2701 pmic wrapper binding
- add auxadc binding document

* tag 'v4.6-next-dts' of https://github.com/mbgg/linux-mediatek:
  dt-bindings: MediaTek: Add binding document for the AUXADC
  dt-bindings: ARM: Mediatek: add MT2701/7623 string to the PMIC wrapper doc
  arm: dts: Add pinctrl/GPIO/EINT node for mt2701
2016-05-10 15:44:27 +02:00
Arnd Bergmann
c5e51c98e3 This adds the rk3288-miqi as new board, adapts the edp-phy settings
to the binding-change that made it into 4.6, adds rk3288 i2c controller
 nodes and moves the rk3288 thermal data into the soc dtsi, as there
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Merge tag 'v4.7-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt

Merge "Rockchip dts32 updates for v4.7 - part2" from Heiko Stübner:

This adds the rk3288-miqi as new board, adapts the edp-phy settings
to the binding-change that made it into 4.6, adds rk3288 i2c controller
nodes and moves the rk3288 thermal data into the soc dtsi, as there
really is no need to have that separate file.

* tag 'v4.7-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: move the rk3288 thermal data into rk3288.dtsi
  ARM: dts: rockchip: add MiQi board from mqmaker
  dt-bindings: add vendor-prefix for mqmaker
  ARM: dts: rockchip: move rk3288 edp phy under the GRF
  ARM: dts: rockchip: make rk3288-grf a simple-mfd
  ARM: dts: rockchip: add i2c nodes for RK3228 SoCs
2016-05-10 15:38:13 +02:00
Christian Lamparter
5b64250b61 gpio: dt-bindings: add wd,mbl-gpio bindings
This patch adds the device tree bindings for the Western Digital's
MyBook Live memory-mapped GPIO controllers.

The gpios will be supported by gpio-mmio code of the
GPIO generic library.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-10 13:58:47 +02:00
Linus Walleij
fd9c55315d gpio: of: make it possible to name GPIO lines
Make it possible to name the producer side of a GPIO line using
a "gpio-line-names" property array, modeled on the
"clock-output-names" property from the clock bindings.

This naming is especially useful for:

- Debugging: lines are named after function, not just opaque
  offset numbers.

- Exploration: systems where some or all GPIO lines are available
  to end users, such as prototyping, one-off's "makerspace usecases"
  users are helped by the names of the GPIO lines when tinkering.
  This usecase has been surfacing recently.

The gpio-line-names attribute is completely optional.

Example output from lsgpio on a patched Snowball tree:

GPIO chip: gpiochip6, "8000e180.gpio", 32 GPIO lines
        line  0: unnamed unused
        line  1: "AP_GPIO161" "extkb3" [kernel]
        line  2: "AP_GPIO162" "extkb4" [kernel]
        line  3: "ACCELEROMETER_INT1_RDY" unused [kernel]
        line  4: "ACCELEROMETER_INT2" unused
        line  5: "MAG_DRDY" unused [kernel]
        line  6: "GYRO_DRDY" unused [kernel]
        line  7: "RSTn_MLC" unused
        line  8: "RSTn_SLC" unused
        line  9: "GYRO_INT" unused
        line 10: "UART_WAKE" unused
        line 11: "GBF_RESET" unused
        line 12: unnamed unused

Cc: Grant Likely <grant.likely@linaro.org>
Cc: Amit Kucheria <amit.kucheria@linaro.org>
Cc: David Mandala <david.mandala@linaro.org>
Cc: Lee Campbell <leecam@google.com>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-05-10 13:43:48 +02:00
Eric Engestrom
ad6a2d0f8d Documentation: fb: fix spelling mistakes
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2016-05-10 12:05:27 +03:00
Laurence Oberman
54a5e73f4d tcm_qla2xxx Add SCSI command jammer/discard capability
This patch introduces support for TCM_QLA2XXX_DEBUG and
associated tcm_qla2xxx_tpg->tpg_attrib.jam_host checking
used to test dropped packets to FC host environments.

Tested by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Laurence Oberman <loberman@redhat.com>
Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-05-10 01:27:17 -07:00
Christoph Hellwig
36ec2ddc0d target: make close_session optional
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-05-10 01:19:26 -07:00
Christoph Hellwig
22d11759a4 target: make ->shutdown_session optional
Turns out the template and thus many drivers got the return value wrong:
0 means the fabrics driver needs to put a session reference, which no
driver except for the iSCSI target drivers did.  Fortunately none of these
drivers supports explicit Node ACLs, so the bug was harmless.

Even without that only qla2xxx and iscsi every did real work in
shutdown_session, so get rid of the boilerplate code in all other
drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2016-05-10 01:19:18 -07:00
Dave Airlie
2e726dc4b4 MT8173 DRM support
- device tree binding documentation for all MT8173 display
   subsystem components
 - basic mediatek-drm driver for MT8173 with two optional,
   currently fixed output paths:
 - DSI encoder support for DSI and (via bridge) eDP panels
 - DPI encoder support for output to HDMI bridge
 - necessary clock tree changes for the DPI->HDMI path
 - export mtk-smi functions used by mediatek-drm
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Merge tag 'mediatek-drm-2016-05-09' of git://git.pengutronix.de/git/pza/linux into drm-next

MT8173 DRM support

- device tree binding documentation for all MT8173 display
  subsystem components
- basic mediatek-drm driver for MT8173 with two optional,
  currently fixed output paths:
- DSI encoder support for DSI and (via bridge) eDP panels
- DPI encoder support for output to HDMI bridge
- necessary clock tree changes for the DPI->HDMI path
- export mtk-smi functions used by mediatek-drm

* tag 'mediatek-drm-2016-05-09' of git://git.pengutronix.de/git/pza/linux:
  clk: mediatek: remove hdmitx_dig_cts from TOP clocks
  clk: mediatek: Add hdmi_ref HDMI PHY PLL reference clock output
  clk: mediatek: make dpi0_sel propagate rate changes
  drm/mediatek: Add DPI sub driver
  drm/mediatek: Add DSI sub driver
  drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.
  dt-bindings: drm/mediatek: Add Mediatek display subsystem dts binding
  memory: mtk-smi: export mtk_smi_larb_get/put
2016-05-10 15:01:47 +10:00
Andy Lutomirski
0161028b7c perf/core: Change the default paranoia level to 2
Allowing unprivileged kernel profiling lets any user dump follow kernel
control flow and dump kernel registers.  This most likely allows trivial
kASLR bypassing, and it may allow other mischief as well.  (Off the top
of my head, the PERF_SAMPLE_REGS_INTR output during /dev/urandom reads
could be quite interesting.)

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-09 17:57:12 -07:00
Arnd Bergmann
0185f85017 [media] samples: v4l: from Documentation to samples directory
With the new autoksyms support, we can run into a situation where
the v4l pci skeleton module is the only one using some exported
symbols that get dropped because they are never referenced by
the kernel otherwise, causing a build problem:

ERROR: "vb2_dma_contig_memops" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "vb2_dma_contig_init_ctx_attrs" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_match_dv_timings" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_find_dv_timings_cap" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_valid_dv_timings" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "v4l2_enum_dv_timings_cap" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!
ERROR: "vb2_dma_contig_cleanup_ctx" [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined!

Specifically, we do look in the samples directory for users of
symbols, but not the Documentation directory.

This solves the build problem by moving the connector sample into
the same directory as the other samples.

Fixes: 23121ca2b5 ("kbuild: create/adjust generated/autoksyms.h")

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-05-09 18:34:37 -03:00
David S. Miller
e800072c18 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
In netdevice.h we removed the structure in net-next that is being
changes in 'net'.  In macsec.c and rtnetlink.c we have overlaps
between fixes in 'net' and the u64 attribute changes in 'net-next'.

The mlx5 conflicts have to do with vxlan support dependencies.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09 15:59:24 -04:00
Linus Torvalds
26acc792c9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Check klogctl failure correctly, from Colin Ian King.

 2) Prevent OOM when under memory pressure in flowcache, from Steffen
    Klassert.

 3) Fix info leak in llc and rtnetlink ifmap code, from Kangjie Lu.

 4) Memory barrier and multicast handling fixes in bnxt_en, from Michael
    Chan.

 5) Endianness bug in mlx5, from Daniel Jurgens.

 6) Fix disconnect handling in VSOCK, from Ian Campbell.

 7) Fix locking of netdev list walking in get_bridge_ifindices(), from
    Nikolay Aleksandrov.

 8) Bridge multicast MLD parser can look at wrong packet offsets, fix
    from Linus Lüssing.

 9) Fix chip hang in qede driver, from Sudarsana Reddy Kalluru.

10) Fix missing setting of encapsulation before inner handling completes
    in udp_offload code, from Jarno Rajahalme.

11) Missing rollbacks during LAG join and flood configuration failures
    in mlxsw driver, from Ido Schimmel.

12) Fix error code checks in netxen driver, from Dan Carpenter.

13) Fix key size in new macsec driver, from Sabrina Dubroca.

14) Fix mlx5/VXLAN dependencies, from Arnd Bergmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
  net/mlx5e: make VXLAN support conditional
  Revert "net/mlx5: Kconfig: Fix MLX5_EN/VXLAN build issue"
  macsec: key identifier is 128 bits, not 64
  Documentation/networking: more accurate LCO explanation
  macvtap: segmented packet is consumed
  tools: bpf_jit_disasm: check for klogctl failure
  qede: uninitialized variable in qede_start_xmit()
  netxen: netxen_rom_fast_read() doesn't return -1
  netxen: reversed condition in netxen_nic_set_link_parameters()
  netxen: fix error handling in netxen_get_flash_block()
  mlxsw: spectrum: Add missing rollback in flood configuration
  mlxsw: spectrum: Fix rollback order in LAG join failure
  udp_offload: Set encapsulation before inner completes.
  udp_tunnel: Remove redundant udp_tunnel_gro_complete().
  qede: prevent chip hang when increasing channels
  net: ipv6: tcp reset, icmp need to consider L3 domain
  bridge: fix igmp / mld query parsing
  net: bridge: fix old ioctl unlocked net device walk
  VSOCK: do not disconnect socket when peer has shutdown SEND only
  net/mlx4_en: Fix endianness bug in IPV6 csum calculation
  ...
2016-05-09 12:11:37 -07:00
Joerg Roedel
6c0b43df74 Merge branches 'arm/io-pgtable', 'arm/rockchip', 'arm/omap', 'x86/vt-d', 'ppc/pamu', 'core' and 'x86/amd' into next 2016-05-09 19:39:17 +02:00
Olli Salonen
11a2a949d0 [media] em28xx: add support for Hauppauge WinTV-dualHD DVB tuner
Hauppauge WinTV-dualHD is a USB 2.0 dual DVB-T/T2/C tuner with
following components:

USB bridge: Empia EM28274 (chip id is the same as EM28174)
Demodulator: 2x Silicon Labs Si2168-B40
Tuner: 2x Silicon Labs Si2157-A30

This patch adds support only for the first tuner.

The demodulator needs firmware, available for example here:
http://palosaari.fi/linux/v4l-dvb/firmware/Si2168/Si2168-B40/4.0.11/

The demodulators sit on the same I2C bus and their addresses
are 0x64 and 0x67. The tuners are behind the demodulators and
their addresses are 0x60 and 0x63.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-09 14:25:39 -03:00
Mauro Carvalho Chehab
628288d08a [media] em28xx: add missing USB IDs
Add missing USB id's for em281xx devices.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-09 14:15:00 -03:00
Mauro Carvalho Chehab
685f11097a [media] update cx23885 and em28xx cardlists
Some new boards were added without updating those lists.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-09 14:06:09 -03:00
Mauro Carvalho Chehab
a022f9347a Linux 4.6-rc7
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Merge tag 'v4.6-rc7' into patchwork

Linux 4.6-rc7

* tag 'v4.6-rc7': (185 commits)
  Linux 4.6-rc7
  parisc: fix a bug when syscall number of tracee is __NR_Linux_syscalls
  x86/tsc: Read all ratio bits from MSR_PLATFORM_INFO
  mailmap: add John Paul Adrian Glaubitz
  byteswap: try to avoid __builtin_constant_p gcc bug
  lib/stackdepot: avoid to return 0 handle
  mm: fix kcompactd hang during memory offlining
  modpost: fix module autoloading for OF devices with generic compatible property
  proc: prevent accessing /proc/<PID>/environ until it's ready
  mm/zswap: provide unique zpool name
  mm: thp: kvm: fix memory corruption in KVM with THP enabled
  MAINTAINERS: fix Rajendra Nayak's address
  mm, cma: prevent nr_isolated_* counters from going negative
  mm: update min_free_kbytes from khugepaged after core initialization
  huge pagecache: mmap_sem is unlocked when truncation splits pmd
  rapidio/mport_cdev: fix uapi type definitions
  mm: memcontrol: let v2 cgroups follow changes in system swappiness
  mm: thp: correct split_huge_pages file permission
  maintainers: update rmk's email address(es)
  writeback: Fix performance regression in wb_over_bg_thresh()
  ...
2016-05-09 12:21:49 -03:00
Laxman Dewangan
e5e3dea890 mfd: Add device-tree binding doc for PMIC MAX77620/MAX20024
The MAXIM PMIC MAX77620 and MAX20024 are power management IC
which supports RTC, GPIO, DCDC/LDO regulators, interrupt,
watchdog etc.

Add DT binding document for the different functionality of
this device.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-05-09 15:42:08 +01:00
Arnd Bergmann
1644de03cb Reset controller changes for v4.7
- add missing stub for device_reset
 - add support for OXNAS SoCs
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Merge tag 'reset-for-4.7-2' of git://git.pengutronix.de/git/pza/linux into next/drivers

Merge "Reset controller changes for v4.7" from Philipp Zabel:

- add missing stub for device_reset
- add support for OXNAS SoCs

* tag 'reset-for-4.7-2' of git://git.pengutronix.de/git/pza/linux:
  reset: Add missing function stub for device_reset
  dt-bindings: Add Oxford Semiconductor Reset Controller bindings
  reset: Add Oxford Semiconductor Reset Controller driver
2016-05-09 16:32:29 +02:00
Arnd Bergmann
b7dcc6d01f soc/tegra: Add generic PM domain support
Implements generic PM domain support on top of the existing Tegra power-
 gate API. Drivers are thus allowed to move away from the Tegra-specific
 API and towards using generic power domains directly.
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Merge tag 'tegra-for-4.7-genpd' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "soc/tegra: Add generic PM domain support" from Thierry Reding:

Implements generic PM domain support on top of the existing Tegra power-
gate API. Drivers are thus allowed to move away from the Tegra-specific
API and towards using generic power domains directly.

* tag 'tegra-for-4.7-genpd' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  soc/tegra: pmc: Add generic PM domain support
  dt-bindings: Add power domain info for NVIDIA PMC
2016-05-09 16:28:46 +02:00
Arnd Bergmann
2f0e234039 usb: host: xhci-tegra: Changes for v4.7-rc1
This set of patches introduces a driver for the XUSB controller found on
 NVIDIA Tegra SoCs. When loaded with a firmware (available via the linux-
 firmware repository), it provides an XHCI-compatible interface.
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Merge tag 'tegra-for-4.7-xhci' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "usb: host: xhci-tegra: Changes for v4.7-rc1" from Thierry Reding:

This set of patches introduces a driver for the XUSB controller found on
NVIDIA Tegra SoCs. When loaded with a firmware (available via the linux-
firmware repository), it provides an XHCI-compatible interface.

* tag 'tegra-for-4.7-xhci' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  usb: xhci: tegra: Add Tegra210 support
  usb: xhci: Add NVIDIA Tegra XUSB controller driver
  dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
  dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
2016-05-09 16:23:47 +02:00
Arnd Bergmann
675de1d514 PCI: tegra: Changes for v4.7-rc1
These patches update the Tegra PCIe host bridge controller device tree
 bindings and driver to cope with per-lane PHYs on Tegra124 and later.
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Merge tag 'tegra-for-4.7-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "PCI: tegra: Changes for v4.7-rc1" from Thierry Reding:

These patches update the Tegra PCIe host bridge controller device tree
bindings and driver to cope with per-lane PHYs on Tegra124 and later.

* tag 'tegra-for-4.7-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  PCI: tegra: Support per-lane PHYs
  dt-bindings: pci: tegra: Update for per-lane PHYs
2016-05-09 16:20:35 +02:00
Arnd Bergmann
4ace926172 phy: tegra: Changes for v4.7-rc1
This set of patches adds support for the Tegra XUSB pad controller. The
 controller provides a set of pads (lanes) that are used for I/O by other
 IP blocks within Tegra SoCs (PCIe, SATA and XUSB).
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Merge tag 'tegra-for-4.7-phy' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

Merge "phy: tegra: Changes for v4.7-rc1" from Thierry Reding:

This set of patches adds support for the Tegra XUSB pad controller. The
controller provides a set of pads (lanes) that are used for I/O by other
IP blocks within Tegra SoCs (PCIe, SATA and XUSB).

* tag 'tegra-for-4.7-phy' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  phy: tegra: Add Tegra210 support
  phy: Add Tegra XUSB pad controller support
  dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
  dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
  phy: core: Allow children node to be overridden
  clk: tegra: Add interface to enable hardware control of SATA/XUSB PLLs
2016-05-09 16:18:37 +02:00
Arnd Bergmann
f0653f6768 Ability to save and restore the power-domain quality of service
settings that get lost and reset on power-domain power cycles.
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Merge tag 'v4.7-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers

Merge "Rockchip driver updates for v4.7 - part2" from Heiko Stübner:

Ability to save and restore the power-domain quality of service
settings that get lost and reset on power-domain power cycles.

* tag 'v4.7-rockchip-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  soc: rockchip: power-domain: support qos save and restore
  dt-bindings: modify document of Rockchip power domains
2016-05-09 16:17:16 +02:00
David Hildenbrand
051c87f744 KVM: s390: document KVM_CAP_S390_RI
We forgot to document that capability, let's add documentation.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2016-05-09 13:33:58 +02:00
Greg Kroah-Hartman
4096e645d8 Merge 4.6-rc7 into staging-next
This fixes some merge issues with some iio drivers that were found in
linux-next.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-09 13:20:04 +02:00
Joerg Roedel
8801561ce0 Merge branch 'for-joerg/arm-smmu/updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu 2016-05-09 12:03:37 +02:00
Greg Kroah-Hartman
10ee082920 Merge 4.6-rc7 into tty-next
We want the pty fixes in here as well so that patches can build on it.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-09 09:39:13 +02:00
Greg Kroah-Hartman
725d0123df Merge 4.6-rc7 into char-misc-testing
This resolves a merge issue with drivers/hv/ring_buffer.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-09 09:34:49 +02:00
Greg Kroah-Hartman
7844b8927e Merge 4.6-rc7 into usb-next
We want the USB fixes in here to resolve merge issues and make it easier
for testing.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-09 09:29:13 +02:00
Greg Kroah-Hartman
545feeff15 USB-serial fixes for v4.6-rc7
Here are some more new device ids.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next

Johan writes:

USB-serial fixes for v4.6-rc7

Here are some more new device ids.

Signed-off-by: Johan Hovold <johan@kernel.org>
2016-05-09 09:26:56 +02:00
David S. Miller
7c878bb318 Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:

====================
pull request: bluetooth-next 2016-05-07

Here are a few more Bluetooth patches for the 4.7 kernel:

 - NULL pointer fix in hci_intel driver
 - New Intel Bluetooth controller id in btusb driver
 - Added device tree binding documentation for Marvel's bt-sd8xxx
 - Platform specific wakeup interrupt support for btmrvl driver

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-09 00:10:00 -04:00
Noam Camus
44df427c89 irqchip: add nps Internal and external irqchips
Adding EZchip NPS400 support.
Internal interrupts are handled by Multi Thread Manager (MTM)
Once interrupt is serviced MTM is acked for deactivating the interrupt.
External interrupts are handled by MTM as well as at Global Interrupt
Controller (GIC) e.g. serial and network devices.

Signed-off-by: Noam Camus <noamc@ezchip.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
2016-05-09 09:32:31 +05:30
Noam Camus
a53224577e clocksource: Add NPS400 timers driver
Add internal tick generator which is shared by all cores.
Each cluster of cores view it through dedicated address.
This is used for SMP system where all CPUs synced by same
clock source.

Signed-off-by: Noam Camus <noamc@ezchip.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2016-05-09 09:32:31 +05:30
Noam Camus
37f0e658ee Documentation: Add EZchip vendor to binding list
Add EZchip to vendor prefixes list.
EZchip introduce the NPS platform for the ARC architecture.

Signed-off-by: Noam Camus <noamc@ezchip.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
2016-05-09 09:32:31 +05:30
Vineet Gupta
7ec9f34a03 ARC: [dts] Introduce Timer bindings
ARC Timers have historically been probed directly.
As precursor to start probing Timers thru DT introduce these bindings
Note that to keep series bisectable, these bindings are not yet used in
code.

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-05-09 09:32:29 +05:30
Shmulik Ladkani
c81aa79794 Documentation/networking: more accurate LCO explanation
In few places the term "ones-complement sum" was used but the actual
meaning is "the complement of the ones-complement sum".

Also, avoid enclosing long statements with underscore, to ease
readability.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08 23:50:31 -04:00
Dave Airlie
bafb86f5bc Linux 4.6-rc7
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Merge tag 'v4.6-rc7' into drm-next

Merge this back as we've built up a fair few conflicts, and I have
some newer trees to pull in.
2016-05-09 13:49:56 +10:00
Vinod Koul
242658ff99 ALSA: compress: fix some typo
Noticed two typos in Documentation, so fix them up

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-05-08 11:27:44 +02:00
Linus Torvalds
35cd3f4563 Merge branch 'for-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
 "An ahci driver addition and updates to ahci port enable handling for
  some platform devices"

* 'for-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ata: add AMD Seattle platform driver
  ARM: dts: apq8064: add ahci ports-implemented mask
  ata: ahci-platform: Add ports-implemented DT bindings.
  libahci: save port map for forced port map
2016-05-07 08:13:42 -07:00
Thomas Petazzoni
6e660e5cd0 dt-bindings: arm: add DT binding for Marvell CP110 system controller
This commit adds the DT binding documentation for the Marvell CP110
system controller, which is part of the CP110 HW block, itself used in
the Marvell Armada 7K and 8K SoCs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Rob Herring <rob@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-05-06 15:16:34 -07:00
Alexei Starovoitov
f9c8d19d6c bpf: add documentation for 'direct packet access'
explain how verifier checks safety of packet access
and update email addresses.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-06 16:01:54 -04:00
Stephen Boyd
f3bf9841b8 Merge branch 'clk-hi3519' into clk-next
* clk-hi3519:
  clk: hisilicon: add CRG driver for hi3519 soc
  clk: hisilicon: export some hisilicon APIs to modules
  reset: hisilicon: add reset controller driver for hisilicon SOCs
2016-05-06 11:21:23 -07:00
Jiancheng Xue
6c9da387c8 clk: hisilicon: add CRG driver for hi3519 soc
The CRG(Clock and Reset Generator) block provides clock
and reset signals for other modules in hi3519 soc.

Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-05-06 11:13:32 -07:00
Andrew F. Davis
b4f78259d5 rpmsg: use module_rpmsg_driver in existing drivers and examples
Existing drivers and examples are updated to use the
module_rpmsg_driver helper macro.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-05-06 11:09:01 -07:00
Andrew F. Davis
9122bf1839 rpmsg: drop owner assignment from rpmsg_drivers
An rpmsg_driver does not need to set an owner, it will be populated by
the driver core.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-05-06 11:09:00 -07:00
Jose Abreu
923587aafc clk/axs10x: Add I2S PLL clock driver
The ARC SDP I2S clock can be programmed using a
specific PLL.

This patch has the goal of adding a clock driver
that programs this PLL.

At this moment the rate values are hardcoded in
a table but in the future it would be ideal to
use a function which determines the PLL values
given the desired rate.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-05-06 10:35:04 -07:00
Thierry Reding
83127f67e4 drm/panel: Flesh out kerneldoc
Write more complete kerneldoc comments for the DRM panel API and
integrate the helpers in the DRM DocBook reference.

Signed-off-by: Thierry Reding <treding@nvidia.com>drm/panel: Add helper for simple panel connector
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160506140137.GA4641@ulmo.ba.sec
2016-05-06 16:04:48 +02:00
Julian Scheel
bf14e74cef [media] media: adv7180: Add of compatible strings for full family
Add entries for all supported chip variants into the of_match list, so that
the matching driver_info can be selected when using dt.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-06 10:16:29 -03:00
Julian Scheel
b9894728c2 [media] media: adv7180: Add device tree binding document
Add device tree binding documentation for the adv7180 video decoder family.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-06 10:16:08 -03:00
CK Hu
923dd88d3c dt-bindings: drm/mediatek: Add Mediatek display subsystem dts binding
Add device tree binding documentation for the display subsystem in
Mediatek MT8173 SoCs.

Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
2016-05-06 14:20:57 +02:00
Ezequiel Garcia
80d6737b27 leds: gpio: Support the "panic-indicator" firmware property
Calling a GPIO LEDs is quite likely to work even if the kernel
has paniced, so they are ideal to blink in this situation.
This commit adds support for the new "panic-indicator"
firmware property, allowing to mark a given LED to blink on
a kernel panic.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-05-06 10:26:07 +02:00
Ezequiel Garcia
e4f4f7091e devicetree: leds: Introduce "panic-indicator" optional property
It's desirable to specify which LEDs are to be blinked on a kernel
panic. Therefore, introduce a devicetree boolean property to mark
which LEDs should be treated this way, if possible.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Rob Herring <rob@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-05-06 10:25:41 +02:00
James Morris
0250abcd72 Merge tag 'keys-next-20160505' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into next 2016-05-06 09:29:00 +10:00
Rafał Miłecki
32698aafc9 Documentation: devicetree: deprecate "soft_bch" nand-ecc-mode value
Now that we support nand-ecc-algo property it should be used together
with "soft" to specify software BCH ECC.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-05-05 23:55:14 +02:00
Rafał Miłecki
ba4f46b28f mtd: nand: add support for "nand-ecc-algo" DT property
So far it was only possible to specify ECC algorithm using "soft" and
"soft_bch" values of nand-ecc-mode prop. There wasn't a way to specify
it for a hardware ECC mode.

Now that we have independent field in NAND subsystem for storing info
about ECC algorithm we may also add support for this new DT property.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2016-05-05 23:55:14 +02:00
Eric Engestrom
52813d4046 dm stats: fix spelling mistake in Documentation
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-05-05 15:25:54 -04:00
Mike Snitzer
492d48db8d dm cache: update cache-policies.txt now that mq is an alias for smq
Also fix some typos and make all "smq" and "mq" references consistently
lowercase.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-05-05 15:25:53 -04:00
Mike Snitzer
ef1d88ced1 Merge remote-tracking branch 'jens/for-4.7/core' into dm-4.7
Needed in order to update the DM thinp code to use the new async
__blkdev_issue_discard() interface.
2016-05-05 15:21:14 -04:00
Brad Mouring
7274a69cd8 ARM: 8570/2: Documentation: devicetree: Add PL310 PM bindings
Document the DT bindings for controlling ARM PL310 Power Control
settings.

Discussion on the binding wording:
http://archive.arm.linux.org.uk/lurker/message/20160427.143444.5141d302.en.html

Signed-off-by: Brad Mouring <brad.mouring@ni.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2016-05-05 19:02:10 +01:00
Fabio Estevam
4d2458507d ASoC: fsl_sai: Allow setting the SAI MCLK direction
On mx6ul the General Purpose Register 1 (GPR1) contains the following
bits for configuring the direction of the SAI MCLKs:
SAI1_MCLK_DIR, SAI2_MCLK_DIR, SAI3_MCLK_DIR

Introduce  the "fsl,sai-mclk-direction-output" optional property to allow
configuring the SAI_MCLK outputs.

Tested on a imx6ul-evk board.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-05 16:44:22 +01:00
Fabio Estevam
1593af62b6 ASoC: fsl_sai: Introduce a compatible string for MX6UL
MX6UL may need to configure the General Purpose Register 1 (GPR1), so
it is better to add a new compatible string to differentiate.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-05 16:44:18 +01:00
Ingo Molnar
1a618c2cfe Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-05 10:12:37 +02:00
Ingo Molnar
e8c8ce5480 Linux 4.6-rc6
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Merge tag 'v4.6-rc6' into locking/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-05 09:57:27 +02:00
Ingo Molnar
64b7aad579 Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-05 09:01:49 +02:00
Richard W.M. Jones
9e5c9fe4cb crypto: testmgr - Add a flag allowing the self-tests to be disabled at runtime.
Running self-tests for a short-lived KVM VM takes 28ms on my laptop.
This commit adds a flag 'cryptomgr.notests' which allows them to be
disabled.

However if fips=1 as well, we ignore this flag as FIPS mode mandates
that the self-tests are run.

Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-05-05 14:36:53 +08:00
Ingo Molnar
1fb48f8e54 Linux 4.6-rc6
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Merge tag 'v4.6-rc6' into x86/asm, to refresh the tree

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-05 08:35:00 +02:00
Dave Airlie
21daaeee9f Merge tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel into drm-next
Ofc I promise just a few leftovers for drm-misc and somehow it's the
biggest pull. But really mostly trivial stuff:
- MAINTAINERS updates from Emil
- rename async to nonblock in atomic_commit to avoid the confusion between
  nonblocking ioctl and async flip (= not vblank synced), from Maarten.
  Needs to be regened with newer drivers, but probably only after -rc1 to
  catch them all.
- actually lockless gem_object_free, plus acked driver conversion patches.
  All the trickier prep stuff already is in drm-next.
- Noralf's nice work for generic defio support in our fbdev emulation.
  Keeps the udl hack, and qxl is tested by Gerd.

* tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel: (47 commits)
  drm: Fixup locking WARN_ON mistake around gem_object_free_unlocked
  drm/etnaviv: Use lockless gem BO free callback
  drm/imx: Use lockless gem BO free callback
  drm/radeon: Use lockless gem BO free callback
  drm/amdgpu: Use lockless gem BO free callback
  drm/gem: support BO freeing without dev->struct_mutex
  MAINTAINERS: Add myself for the new VC4 (RPi GPU) graphics driver.
  MAINTAINERS: Add a bunch of legacy (UMS) DRM drivers
  MAINTAINERS: Add a few DRM drivers by Dave Airlie
  MAINTAINERS: List the correct git repo for the Renesas DRM drivers
  MAINTAINERS: Update the files list for the Renesas DRM drivers
  MAINTAINERS: Update the files list for the Armada DRM driver
  MAINTAINERS: Update the files list for the Rockchip DRM driver
  MAINTAINERS: Update the files list for the Exynos DRM driver
  MAINTAINERS: Add maintainer entry for the VMWGFX DRM driver
  MAINTAINERS: Add maintainer entry for the MSM DRM driver
  MAINTAINERS: Add maintainer entry for the Nouveau DRM driver
  MAINTAINERS: Update the files list for the Etnaviv DRM driver
  MAINTAINERS: Remove unneded wildcard for the i915 DRM driver
  drm/atomic: Add WARN_ON when state->acquire_ctx is not set.
  ...
2016-05-05 09:56:30 +10:00
Lv Zheng
a707edebad ACPI / osi: Add acpi_osi=!! to allow reverting acpi_osi=!
This patch introduces acpi_osi=!! so that quirks may use it to revert
acpi_osi=!.

Tested-by: Lukas Wunner <lukas@wunner.de>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-05-05 00:13:52 +02:00
Florian Westphal
5c2a9644d0 bonding: update documentation section after dev->trans_start removal
Drivers that use LLTX need to update trans_start of the netdev_queue.
(Most drivers don't use LLTX; stack does this update if .ndo_start_xmit
 returned TX_OK).

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-04 17:07:13 -04:00
Peter Rosin
1cf79db28e [media] rtl2832: change the i2c gate to be mux-locked
The root i2c adapter lock is then no longer held by the i2c mux during
accesses behind the i2c gate, and such accesses need to take that lock
just like any other ordinary i2c accesses do.

So, declare the i2c gate mux-locked, and zap the regmap overrides
that makes the i2c accesses unlocked and use plain old regmap
accesses. This also removes the need for the regmap wrappers used by
rtl2832_sdr, so deconvolute the code further and provide the regmap
handle directly instead of the wrapper functions.

Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-05-04 22:40:02 +02:00
Antti Palosaari
e6d7ffcdf1 [media] si2168: change the i2c gate to be mux-locked
The root i2c adapter lock is then no longer held by the i2c mux during
accesses behind the i2c gate, and such accesses need to take that lock
just like any other ordinary i2c accesses do.

So, declare the i2c gate mux-locked, and zap the code that makes the
i2c accesses unlocked. But add a mutex so that firmware commands are
still serialized.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-05-04 22:39:31 +02:00
Peter Rosin
1ffcfaf195 iio: imu: inv_mpu6050: change the i2c gate to be mux-locked
The root i2c adapter lock is then no longer held by the i2c mux during
accesses behind the i2c gate, and such accesses need to take that lock
just like any other ordinary i2c accesses do.

So, declare the i2c gate mux-locked, and zap the code that makes the
unlocked i2c accesses and just use ordinary regmap_write accesses.

This also happens to fix the deadlock described in
http://patchwork.ozlabs.org/patch/584776/ authored by
Adriana Reus <adriana.reus@intel.com> and submitted by
Daniel Baluta <daniel.baluta@intel.com>

----------8<----------
iio: imu: inv_mpu6050: Fix deadlock between i2c adapter lock and mpu lock

This deadlock occurs if the accel/gyro and the sensor on the auxiliary
I2C (in my setup it's an ak8975) are working at the same time.

Scenario:

      T1					T2
     ====				       ====
inv_mpu6050_read_fifo                  aux sensor op (eg. ak8975_read_raw)
        |                                     |
mutex_lock(&indio_dev->mlock)           i2c_transfer
        |                                     |
i2c transaction                         i2c adapter lock
        |                                     |
i2c adapter lock                        i2c_mux_master_xfer
                                              |
                                        inv_mpu6050_select_bypass
                                              |
                                        mutex_lock(&indio_dev->mlock)

When we operate on an mpu sensor the order of locking is mpu lock
followed by the i2c adapter lock. However, when we operate the auxiliary
sensor the order of locking is the other way around.

...
----------8<----------

The reason this patch fixes the deadlock is that T2 does not grab the
i2c adapter lock until the very end (and grabs the newfangled i2c mux
lock where it previously grabbed the i2c adapter lock).

Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Tested-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-05-04 22:39:30 +02:00
Peter Rosin
2254d24aff i2c: mux: document i2c muxes and elaborate on parent-/mux-locked muxes
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-05-04 22:39:25 +02:00
Guoqing Jiang
ab5a98b132 md-cluster: change array_sectors and update size are not supported
Currently, some features are not supported yet,
such as change array_sectors and update size, so
return EINVAL for them and listed it in document.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2016-05-04 12:39:35 -07:00
Greg Kroah-Hartman
792f7525ac Hi Greg, below are changes for chipidea and OTG FSM, no major changes.
Some for documentation, some for tiny changes, thanks.
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Merge tag 'usb-ci-v4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-next

Hi Greg, below are changes for chipidea and OTG FSM, no major changes.
Some for documentation, some for tiny changes, thanks.
2016-05-04 10:25:58 -07:00
David Howells
d55201ce08 Merge branch 'keys-trust' into keys-next
Here's a set of patches that changes how certificates/keys are determined
to be trusted.  That's currently a two-step process:

 (1) Up until recently, when an X.509 certificate was parsed - no matter
     the source - it was judged against the keys in .system_keyring,
     assuming those keys to be trusted if they have KEY_FLAG_TRUSTED set
     upon them.

     This has just been changed such that any key in the .ima_mok keyring,
     if configured, may also be used to judge the trustworthiness of a new
     certificate, whether or not the .ima_mok keyring is meant to be
     consulted for whatever process is being undertaken.

     If a certificate is determined to be trustworthy, KEY_FLAG_TRUSTED
     will be set upon a key it is loaded into (if it is loaded into one),
     no matter what the key is going to be loaded for.

 (2) If an X.509 certificate is loaded into a key, then that key - if
     KEY_FLAG_TRUSTED gets set upon it - can be linked into any keyring
     with KEY_FLAG_TRUSTED_ONLY set upon it.  This was meant to be the
     system keyring only, but has been extended to various IMA keyrings.
     A user can at will link any key marked KEY_FLAG_TRUSTED into any
     keyring marked KEY_FLAG_TRUSTED_ONLY if the relevant permissions masks
     permit it.

These patches change that:

 (1) Trust becomes a matter of consulting the ring of trusted keys supplied
     when the trust is evaluated only.

 (2) Every keyring can be supplied with its own manager function to
     restrict what may be added to that keyring.  This is called whenever a
     key is to be linked into the keyring to guard against a key being
     created in one keyring and then linked across.

     This function is supplied with the keyring and the key type and
     payload[*] of the key being linked in for use in its evaluation.  It
     is permitted to use other data also, such as the contents of other
     keyrings such as the system keyrings.

     [*] The type and payload are supplied instead of a key because as an
         optimisation this function may be called whilst creating a key and
         so may reject the proposed key between preparse and allocation.

 (3) A default manager function is provided that permits keys to be
     restricted to only asymmetric keys that are vouched for by the
     contents of the system keyring.

     A second manager function is provided that just rejects with EPERM.

 (4) A key allocation flag, KEY_ALLOC_BYPASS_RESTRICTION, is made available
     so that the kernel can initialise keyrings with keys that form the
     root of the trust relationship.

 (5) KEY_FLAG_TRUSTED and KEY_FLAG_TRUSTED_ONLY are removed, along with
     key_preparsed_payload::trusted.

This change also makes it possible in future for userspace to create a private
set of trusted keys and then to have it sealed by setting a manager function
where the private set is wholly independent of the kernel's trust
relationships.

Further changes in the set involve extracting certain IMA special keyrings
and making them generally global:

 (*) .system_keyring is renamed to .builtin_trusted_keys and remains read
     only.  It carries only keys built in to the kernel.  It may be where
     UEFI keys should be loaded - though that could better be the new
     secondary keyring (see below) or a separate UEFI keyring.

 (*) An optional secondary system keyring (called .secondary_trusted_keys)
     is added to replace the IMA MOK keyring.

     (*) Keys can be added to the secondary keyring by root if the keys can
         be vouched for by either ring of system keys.

 (*) Module signing and kexec only use .builtin_trusted_keys and do not use
     the new secondary keyring.

 (*) Config option SYSTEM_TRUSTED_KEYS now depends on ASYMMETRIC_KEY_TYPE as
     that's the only type currently permitted on the system keyrings.

 (*) A new config option, IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY,
     is provided to allow keys to be added to IMA keyrings, subject to the
     restriction that such keys are validly signed by a key already in the
     system keyrings.

     If this option is enabled, but secondary keyrings aren't, additions to
     the IMA keyrings will be restricted to signatures verifiable by keys in
     the builtin system keyring only.

Signed-off-by: David Howells <dhowells@redhat.com>
2016-05-04 17:20:20 +01:00
Dave Airlie
4946dd2e14 Merge tag 'drm-hisilicon-next-2016-04-29' of github.com:xin3liang/linux into drm-next
drm-hisilicon-next for 4.7

Add new hisilicon kirin drm driver:
- Add maintainer for hisilicon DRM driver
- Add support for external bridge
- Add designware dsi host driver
- Add designware dsi encoder driver
- Add cma fbdev and hotplug
- Add vblank driver for ADE
- Add plane driver for ADE
- Add crtc driver for ADE
- Add hisilicon kirin drm master driver
- Add device tree binding for hi6220 display subsystem

* tag 'drm-hisilicon-next-2016-04-29' of github.com:xin3liang/linux:
  MAINTAINERS: Add maintainer for hisilicon DRM driver
  drm/hisilicon: Add support for external bridge
  drm/hisilicon: Add designware dsi host driver
  drm/hisilicon: Add designware dsi encoder driver
  drm/hisilicon: Add cma fbdev and hotplug
  drm/hisilicon: Add vblank driver for ADE
  drm/hisilicon: Add plane driver for ADE
  drm/hisilicon: Add crtc driver for ADE
  drm/hisilicon: Add hisilicon kirin drm master driver
  drm/hisilicon: Add device tree binding for hi6220 display subsystem
2016-05-04 19:53:15 +10:00
Minghuan Lian
5e79cb29dd dt/bindings: Add bindings for Layerscape SCFG MSI
Some Layerscape SoCs use a simple MSI controller implementation.
It contains only two SCFG register to trigger and describe a
group 32 MSI interrupts. The patch adds bindings to describe
the controller.

Signed-off-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2016-05-04 09:54:21 +01:00
Dave Airlie
00c1beab15 Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Summary:
 - Support for pipeline clock between KMS drivers.
   . Exynos SoC is required to control clocks across KMS drivers
     according to Exynos SoC version. So this patch refactos
     some relevant codes and provides generic solution for it.
 - Add Exynos5433 SoC support to HDMI parts - HDMI and DECON-TV.
 - Add HW trigger mode support to CRTC drivers.
   . In case of using i80 Panel, some Exynos SoC supports HW trigger
     mode so this patch makes trigger mode - HW or SW trigger - to be
     set according to SoC version properly.
 - And some cleanups and regression fixups.

* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (39 commits)
  drm/exynos: clean up register definions for fimd and decon
  drm/exynos: decon: clean up interface type
  drm/exynos: fimd: add HW trigger support
  drm/exynos: clean up wait_for_vblank
  drm/exynos: mixer: use generic of_device_get_match_data helper
  drm/exynos: mixer: remove support for non-dt platforms
  drm/exynos: hdmi: use generic of_device_get_match_data helper
  drm/exynos: rotator: use generic of_device_get_match_data helper
  drm/exynos: fimd: use generic of_device_get_match_data helper
  drm/exynos: dsi: use generic of_device_get_match_data helper
  drm/exynos: exynos5433_decon: use generic of_device_get_match_data helper
  drm/exynos: convert clock_enable crtc callback to pipeline clock
  drm/exynos/mixer: enable HDMI-PHY before configuring MIXER
  drm/exynos/decon5433: enable HDMI-PHY before configuring DECON
  drm/exynos: add support for pipeline clock to the framework
  drm/exynos: add helper to get crtc from pipe
  drm/exynos/decon5433: do not protect window in plane disable
  drm/exynos/decon5433: reset decon on start
  drm/exynos/decon5433: fix DECON standalone update
  drm/exynos/hdmi: remove registry dump
  ...
2016-05-04 17:37:20 +10:00
Dave Airlie
acff058f86 This pull request brings in DPI panel support, gamma ramp support, and
render nodes for vc4.
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Merge tag 'drm-vc4-next-2016-05-02' of https://github.com/anholt/linux into drm-next

This pull request brings in DPI panel support, gamma ramp support, and
render nodes for vc4.

* tag 'drm-vc4-next-2016-05-02' of https://github.com/anholt/linux:
  drm/vc4: Add missing render node support
  drm/vc4: Add support for gamma ramps.
  drm/vc4: Fix NULL deref in HDMI init error path
  drm/vc4: Add DPI driver
  drm: Add an encoder and connector type enum for DPI.
2016-05-04 17:30:53 +10:00
Ingo Molnar
d63c214b0a Linux 4.6-rc6
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Merge tag 'v4.6-rc6' into x86/platform, to refresh the tree

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-04 08:48:26 +02:00
Peter Chen
764763f0a0 doc: usb: chipidea: update the doc for OTG FSM
Since we have added otg version and HNP polling support, update
related documentation.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
2016-05-04 13:40:31 +08:00
David S. Miller
cba6532100 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	net/ipv4/ip_gre.c

Minor conflicts between tunnel bug fixes in net and
ipv6 tunnel cleanups in net-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-04 00:52:29 -04:00
Johannes Thumshirn
803f1ca60d mcb: export bus information via sysfs
Export information about the bus stored in the FPGA's header to userspace via
sysfs, instead of hiding it in pr_debug()s from everyone.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Andreas Werner <andreas.werner@men.de>
Tested-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 15:07:35 -07:00
Mathieu Poirier
7d83d17795 coresight: tmc: adding sysFS management entries
Adding management registers that convey implementation
specific characteristics.  Those are useful for trace
configuration and collection along with general trouble
shooting.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Pratik Patel
237483aa5c coresight: stm: adding driver for CoreSight STM component
This driver adds support for the STM CoreSight IP block, allowing any
system compoment (HW or SW) to log and aggregate messages via a
single entity.

The CoreSight STM exposes an application defined number of channels
called stimulus port.  Configuration is done using entries in sysfs
and channels made available to userspace via configfs.

Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Michael Williams <michael.williams@arm.com>
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Mathieu Poirier
9eb933130d coresight: stm: Bindings for System Trace Macrocell
The System Trace Macrocell (STM) is an IP block falling under the
CoreSight umbrella.  It's main purpose it so expose stimulus channels
to any system component for the purpose of information logging.

Bindings for this IP block adds a couple of items to the current
mandatory definition for CoreSight components.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Alexander Shishkin
8e996a2874 stm class: Support devices that override software assigned masters
Some STM devices adjust software assigned master numbers depending on
the trace source and its runtime state and whatnot. This patch adds
a sysfs attribute to inform the trace-side software that master numbers
assigned to software sources will not match those in the STP stream,
so that, for example, master/channel allocation policy can be adjusted
accordingly.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-03 14:59:30 -07:00
Greg Kroah-Hartman
e6c037bfca phy: for 4.7
*) Add a new PHY driver for USB2 PHY on Northstar SoC
 *) Add support for Broadcom NS2 SATA3 PHY in existing
    Broadcom SATA3 PHY driver
 *) Add support for MIPI DPHYs in Exynos5420-compatible
    (5420, 5422 and 5800) and Exynos5433 SoCs
 *) Add support for USB3 PHY on mt2701
 *) Add extcon support for Renesas R-car USB2 PHY driver
 *) Misc cleanups
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-testing

Kishon writes:

phy: for 4.7

*) Add a new PHY driver for USB2 PHY on Northstar SoC
*) Add support for Broadcom NS2 SATA3 PHY in existing
   Broadcom SATA3 PHY driver
*) Add support for MIPI DPHYs in Exynos5420-compatible
   (5420, 5422 and 5800) and Exynos5433 SoCs
*) Add support for USB3 PHY on mt2701
*) Add extcon support for Renesas R-car USB2 PHY driver
*) Misc cleanups

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-05-03 14:49:46 -07:00
Robin Murphy
f0cfffc48c iommu/arm-smmu: Work around MMU-500 prefetch errata
MMU-500 erratum #841119 is tickled by a particular set of circumstances
interacting with the next-page prefetcher. Since said prefetcher is
quite dumb and actually detrimental to performance in some cases (by
causing unwanted TLB evictions for non-sequential access patterns), we
lose very little by turning it off, and what we gain is a guarantee that
the erratum is never hit.

As a bonus, the same workaround will also prevent erratum #826419 once
v7 short descriptor support is implemented.

CC: Catalin Marinas <catalin.marinas@arm.com>
CC: Will Deacon <will.deacon@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-05-03 18:23:02 +01:00
Tirumalesh Chalamarla
1bd37a6835 iommu/arm-smmu: Workaround for ThunderX erratum #27704
Due to erratum #27704, the CN88xx SMMUv2 implementation supports only
shared ASID and VMID numberspaces.

This patch ensures that ASID and VMIDs are unique across all SMMU
instances on affected Cavium systems.

Signed-off-by: Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com>
Signed-off-by: Akula Geethasowjanya <Geethasowjanya.Akula@caviumnetworks.com>
[will: commit message, comments and formatting]
Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-05-03 18:23:01 +01:00
Bjorn Helgaas
58f8b094e9 Merge branches 'pci/host-armada', 'pci/host-designware', 'pci/host-hv', 'pci/host-imx6', 'pci/host-keystone', 'pci/host-mvebu', 'pci/host-rcar', 'pci/host-thunder' and 'pci/host-vmd' into next
* pci/host-armada:
  PCI: armada: Add driver for Marvell Armada 7K/8K PCIe controller
  dt-bindings: pci: add DT binding for Marvell Armada 7K/8K PCIe controller

* pci/host-designware:
  PCI: designware: Remove incorrect RC memory base/limit configuration
  PCI: designware: Move Root Complex setup code to dw_pcie_setup_rc()

* pci/host-hv:
  PCI: hv: Report resources release after stopping the bus

* pci/host-imx6:
  ARM: dts: imx6qp: Specify imx6qp version of PCIe core
  PCI: imx6: Implement reset sequence for i.MX6+
  PCI: imx6: Use enum instead of bool for variant indicator
  PCI: imx6: Add DT property for link gen, default to Gen1
  PCI: imx6: Add reset-gpio-active-high boolean property to DT
  ARM: dts: imx6: Fix PCIe reset GPIO polarity on Toradex Apalis Ixora
  PCI: imx6: Add initial imx6sx support
  PCI: imx6: Factor out ref clock enable
  Revert "PCI: imx6: Add support for active-low reset GPIO"

* pci/host-keystone:
  PCI: keystone: Remove unnecessary goto statement
  PCI: keystone: Add error IRQ handler

* pci/host-mvebu:
  PCI: mvebu: Use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for mvebu_pcie_pm_ops
  PCI: mvebu: Constify mvebu_pcie_pm_ops structure

* pci/host-rcar:
  PCI: rcar: Select PCI_MSI_IRQ_DOMAIN

* pci/host-thunder:
  PCI: thunder: Don't clobber read-only bits in bridge config registers

* pci/host-vmd:
  PCI: Remove return values from pcie_port_platform_notify() and relatives
  PCI/ACPI: Allow all PCIe services on non-ACPI host bridges
2016-05-03 11:42:30 -05:00
Russell King
61603016e2 ARM: kexec: fix crashkernel= handling
When the kernel crashkernel parameter is specified with just a size, we
are supposed to allocate a region from RAM to store the crashkernel.
However, ARM merely reserves physical address zero with no checking that
there is even RAM there.

Fix this by lifting similar code from x86, importing it to ARM with the
ARM specific parameters added.  In the absence of any platform specific
information, we allocate the crashkernel region from the first 512MB of
physical memory.

Update the kdump documentation to reflect this change.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Pratyush Anand <panand@redhat.com>
2016-05-03 11:13:45 +01:00
Marcin Wojtas
ac5f0f3f86 dmaengine: mv_xor: add support for Armada 3700 SoC
Armada 3700 SoC comprise a single XOR engine compliant with the ones used
in older Marvell SoC's like Armada XP or 38x. The only thing that needs
modification is the Mbus configuration, which has to be done on two
levels: global and in device. The first one is inherited from the
bootloader. The latter can be opened in a default way, leaving
arbitration to the bus controller. Hence filled mbus_dram_target_info
structure is not needed.

Patch "dmaengine: mv_xor: optimize performance by using a subset
of the XOR channels" introduced limitation for using XOR engines and
channels vs number of available CPU's. Those constraints do not however
fit Armada 3700 architecture with two possible CPU's and single,
dual-channel engine. Hence in this commit an adjustment for setting
maximum available channels is added.

This patch enables XOR access to DRAM by opening default window to 4GB
space with specific attribute.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-03 12:27:47 +05:30
David S. Miller
ede00a5ceb wireless-drivers patches for 4.7
Major changes:
 
 brcmfmac
 
 * add support for nl80211 BSS_SELECT feature
 
 mwifiex
 
 * add platform specific wakeup interrupt support
 
 ath10k
 
 * implement set_tsf() for 10.2.4 branch
 * remove rare MSI range support
 * remove deprecated firmware API 1 support
 
 ath9k
 
 * add module parameter to invert LED polarity
 
 wcn36xx
 
 * fixes to get the driver properly working on Dragonboard 410c
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Merge tag 'wireless-drivers-next-for-davem-2016-05-02' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers patches for 4.7

Major changes:

brcmfmac

* add support for nl80211 BSS_SELECT feature

mwifiex

* add platform specific wakeup interrupt support

ath10k

* implement set_tsf() for 10.2.4 branch
* remove rare MSI range support
* remove deprecated firmware API 1 support

ath9k

* add module parameter to invert LED polarity

wcn36xx

* fixes to get the driver properly working on Dragonboard 410c
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03 00:35:16 -04:00
Chanwoo Choi
a9d1f4e0cb PM / devfreq: exynos: Add the detailed correlation for Exynos5422 bus
This patch adds the detailed corrleation between sub-blocks and power line
for Exynos5422.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
2016-05-03 11:22:06 +09:00
Chanwoo Choi
0179a91387 PM / devfreq: event: Add new Exynos NoC probe driver
This patch adds NoC (Network on Chip) Probe driver which provides
the primitive values to get the performance data. The packets that the Network
on Chip (NoC) probes detects are transported over the network infrastructure.
Exynos542x bus has multiple NoC probes to provide bandwidth information about
behavior of the SoC that you can use while analyzing system performance.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-03 11:21:07 +09:00
Chanwoo Choi
38279cac36 PM / devfreq: exynos: Add the detailed correlation between sub-blocks and power line
This patch adds the detailed correlation between sub-blocks and power line
for Exynos3250, Exynos4210 and Exynos4x12.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-03 11:20:09 +09:00
Chanwoo Choi
a296cb5c35 PM / devfreq: exynos: Update documentation for bus devices using passive governor
This patch updates the documentation for passive bus devices and adds the
detailed example of Exynos3250.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-05-03 11:20:08 +09:00
Chanwoo Choi
72c160bda1 PM / devfreq: exynos: Add documentation for generic exynos bus frequency driver
This patch adds the documentation for generic exynos bus frequency
driver.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
2016-05-03 11:20:06 +09:00
Stephen Boyd
51de8760fb Allwinner clocks additions for 4.7
As usual, a bunch of clocks patches for 4.7, mostly fixes and cleanups, and
 display-related clocks.
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Merge tag 'sunxi-clocks-for-4.7' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next

Pull Allwinner clock driver updates from Maxime Ripard:

As usual, a bunch of clocks patches for 4.7, mostly fixes and cleanups, and
display-related clocks.

* tag 'sunxi-clocks-for-4.7' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  clk: sunxi: Let divs clocks read the base factor clock name from devicetree
  clk: sunxi: Add TCON channel1 clock
  clk: sunxi: Add PLL3 clock
  dt-bindings: clk: sun5i: add DRAM gates compatible
  clk: sunxi: Use resource_size
  clk: sunxi: Add sun6i/8i display support
  clk: sunxi: mod1 clock should modify it's parent
2016-05-02 17:03:08 -07:00
Al Viro
9cf843e3f4 lookup_open(): lock the parent shared unless O_CREAT is given
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-02 19:51:17 -04:00
Al Viro
6192269444 introduce a parallel variant of ->iterate()
New method: ->iterate_shared().  Same arguments as in ->iterate(),
called with the directory locked only shared.  Once all filesystems
switch, the old one will be gone.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-02 19:49:29 -04:00
Al Viro
9902af79c0 parallel lookups: actual switch to rwsem
ta-da!

The main issue is the lack of down_write_killable(), so the places
like readdir.c switched to plain inode_lock(); once killable
variants of rwsem primitives appear, that'll be dealt with.

lockdep side also might need more work

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-02 19:49:28 -04:00
Al Viro
84e710da2a parallel lookups machinery, part 2
We'll need to verify that there's neither a hashed nor in-lookup
dentry with desired parent/name before adding to in-lookup set.

One possible solution would be to hold the parent's ->d_lock through
both checks, but while the in-lookup set is relatively small at any
time, dcache is not.  And holding the parent's ->d_lock through
something like __d_lookup_rcu() would suck too badly.

So we leave the parent's ->d_lock alone, which means that we watch
out for the following scenario:
	* we verify that there's no hashed match
	* existing in-lookup match gets hashed by another process
	* we verify that there's no in-lookup matches and decide
that everything's fine.

Solution: per-directory kinda-sorta seqlock, bumped around the times
we hash something that used to be in-lookup or move (and hash)
something in place of in-lookup.  Then the above would turn into
	* read the counter
	* do dcache lookup
	* if no matches found, check for in-lookup matches
	* if there had been none of those either, check if the
counter has changed; repeat if it has.

The "kinda-sorta" part is due to the fact that we don't have much spare
space in inode.  There is a spare word (shared with i_bdev/i_cdev/i_pipe),
so the counter part is not a problem, but spinlock is a different story.

We could use the parent's ->d_lock, and it would be less painful in
terms of contention, for __d_add() it would be rather inconvenient to
grab; we could do that (using lock_parent()), but...

Fortunately, we can get serialization on the counter itself, and it
might be a good idea in general; we can use cmpxchg() in a loop to
get from even to odd and smp_store_release() from odd to even.

This commit adds the counter and updating logics; the readers will be
added in the next commit.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-02 19:49:26 -04:00
Al Viro
84695ffee7 Merge getxattr prototype change into work.lookups
The rest of work.xattr stuff isn't needed for this branch
2016-05-02 19:45:47 -04:00
Robert Foss
fcbcb3b0cf drm/docs: Move "scaling mode" property.
The "scaling mode" property has been moved to the DRM->Generic.
It has also had a list of supported drivers added to it.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462216381-10160-1-git-send-email-robert.foss@collabora.com
2016-05-02 23:51:22 +02:00
Iyappan Subramanian
4cac949f59 Documentation: dtb: xgene: Add channel property
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-02 16:47:54 -04:00
Andrey Smirnov
4d31c6109a PCI: imx6: Implement reset sequence for i.MX6+
I.MX6+ has a dedicated bit for resetting PCIe core, which should be used
instead of a regular reset sequence since using the latter will hang the
SoC.

This commit is based on c34068d48273e24d392d9a49a38be807954420ed from
http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git

Tested-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
2016-05-02 14:33:17 -05:00
Xinming Hu
0065d1c5ac dt: bindings: add MARVELL's bt-sd8xxx wireless device
Add device tree binding documentation for MARVELL's bluetooth sdio
(sd8897 and sd8997) chip.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-05-02 19:26:15 +02:00
Linus Torvalds
9c5d1bc2b7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) MODULE_FIRMWARE firmware string not correct for iwlwifi 8000 chips,
    from Sara Sharon.

 2) Fix SKB size checks in batman-adv stack on receive, from Sven
    Eckelmann.

 3) Leak fix on mac80211 interface add error paths, from Johannes Berg.

 4) Cannot invoke napi_disable() with BH disabled in myri10ge driver,
    fix from Stanislaw Gruszka.

 5) Fix sign extension problem when computing feature masks in
    net_gso_ok(), from Marcelo Ricardo Leitner.

 6) lan78xx driver doesn't count packets and packet lengths in its
    statistics properly, fix from Woojung Huh.

 7) Fix the buffer allocation sizes in pegasus USB driver, from Petko
    Manolov.

 8) Fix refcount overflows in bpf, from Alexei Starovoitov.

 9) Unified dst cache handling introduced a preempt warning in
    ip_tunnel, fix by resetting rather then setting the cached route.
    From Paolo Abeni.

10) Listener hash collision test fix in soreuseport, from Craig Gallak

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits)
  gre: do not pull header in ICMP error processing
  net: Implement net_dbg_ratelimited() for CONFIG_DYNAMIC_DEBUG case
  tipc: only process unicast on intended node
  cxgb3: fix out of bounds read
  net/smscx5xx: use the device tree for mac address
  soreuseport: Fix TCP listener hash collision
  net: l2tp: fix reversed udp6 checksum flags
  ip_tunnel: fix preempt warning in ip tunnel creation/updating
  samples/bpf: fix trace_output example
  bpf: fix check_map_func_compatibility logic
  bpf: fix refcnt overflow
  drivers: net: cpsw: use of_phy_connect() in fixed-link case
  dt: cpsw: phy-handle, phy_id, and fixed-link are mutually exclusive
  drivers: net: cpsw: don't ignore phy-mode if phy-handle is used
  drivers: net: cpsw: fix segfault in case of bad phy-handle
  drivers: net: cpsw: fix parsing of phy-handle DT property in dual_emac config
  MAINTAINERS: net: Change maintainer for GRETH 10/100/1G Ethernet MAC device driver
  gre: reject GUE and FOU in collect metadata mode
  pegasus: fixes reported packet length
  pegasus: fixes URB buffer allocation size;
  ...
2016-05-02 09:40:42 -07:00
William Breathitt Gray
ad7afc38ea Documentation: Add ISA bus driver documentation
This is a verbatim copy of the original commit message of the initial
commit of the ISA bus driver authored by Rene Herman. Descriptions of
the module_isa_driver macro and max_num_isa_dev macro are provided at
the end.

Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-02 09:32:04 -07:00
Marc Zyngier
287e9357ab DT/arm,gic-v3: Documment PPI partition support
Add a decription of the PPI partitioning support.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Will Deacon <will.deacon@arm.com>
Link: http://lkml.kernel.org/r/1460365075-7316-6-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-05-02 13:42:51 +02:00
Mauro Carvalho Chehab
68af062b5f Linux 4.6-rc6
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Merge tag 'v4.6-rc6' into patchwork

Linux 4.6-rc6

* tag 'v4.6-rc6': (762 commits)
  Linux 4.6-rc6
  EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback
  Documentation/sysctl/vm.txt: update numa_zonelist_order description
  lib/stackdepot.c: allow the stack trace hash to be zero
  rapidio: fix potential NULL pointer dereference
  mm/memory-failure: fix race with compound page split/merge
  ocfs2/dlm: return zero if deref_done message is successfully handled
  Ananth has moved
  kcov: don't profile branches in kcov
  kcov: don't trace the code coverage code
  mm: wake kcompactd before kswapd's short sleep
  .mailmap: add Frank Rowand
  mm/hwpoison: fix wrong num_poisoned_pages accounting
  mm: call swap_slot_free_notify() with page lock held
  mm: vmscan: reclaim highmem zone if buffer_heads is over limit
  numa: fix /proc/<pid>/numa_maps for THP
  mm/huge_memory: replace VM_NO_THP VM_BUG_ON with actual VMA check
  mailmap: fix Krzysztof Kozlowski's misspelled name
  thp: keep huge zero page pinned until tlb flush
  mm: exclude HugeTLB pages from THP page_mapped() logic
  ...
2016-05-02 07:48:23 -03:00
Andy Shevchenko
2e65060e80 dmaengine: dw: revisit data_width property
There several changes are done here:

- Convert the property to be in bytes

  Besides that this is a common practice for such property, the use of a value
  in bytes much more convenient than handling the encoded one.

- Rename data_width to data-width in the device tree bindings

  The change leaves the support for the old format as well just in case someone
  will use a newer kernel with an old device tree blob.

- While here, replace dwc_fast_ffs() by __ffs()

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2016-05-02 15:30:47 +05:30
Lars Persson
f0be051e5b mmc: dt: usdhi6rol0: add optional pinctrl binding
Add a pinctrl binding to specify different pin settings for high speed
modes and UHS modes.

Signed-off-by: Lars Persson <larper@axis.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02 10:36:04 +02:00
Wolfram Sang
057a4592e6 mmc: sh_mobile_sdhi: Add UHS-I mode support
Implement voltage switch, supporting modes up to SDR-50.

Based on work by Shinobu Uehara, Rob Taylor, William Towle and Ian Molton.

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02 10:33:14 +02:00
Christoph Hellwig
c8b8e32d70 direct-io: eliminate the offset argument to ->direct_IO
Including blkdev_direct_IO and dax_do_io.  It has to be ki_pos to actually
work, so eliminate the superflous argument.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-01 19:58:39 -04:00
Ben Sen
0a19f129d7 w1: add ability to set (SRAM) and store (EEPROM) configuration for temp sensors like DS18B20
Since many temperature sensors come "preconfigured" with a lower
precision, people are stuck at that precision when running on a kernel
based device (unlike the Dallas 1Wire library for e.g. Arduino, which
supports writing the configuration/scratchpad). This patch adds write
support for the scratchpad/precision registers via w1_slave sysfs.

Signed-off-by: Ben Sen <0.x29a.0@gmail.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-01 14:37:49 -07:00
Michael Thalmeier
71c08eac2e nfc: pn533: Add device tree documentation for i2c phy
Add pn533-i2c phy devicetree documentation

Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2016-05-01 23:28:50 +02:00
Mathieu Poirier
ad352acbb9 coresight: etb10: splitting sysFS "status" entry
The sysFS "status" entry conveys a wealth of information about
the status of the HW but goes agains the sysFS rule of one topic
per file.

This patch rectify the situation by adding read-only entries for
each of the field formaly displayed by "status".  The ABI
documentation is kept up to date.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-01 14:12:14 -07:00
Mathieu Poirier
7c38aa4b03 coresight: etm4x: adding config and traceid registers
Adding new sysFS management interface to query the configuration
and the traceid registers.  Both are required to convey information
to the perf cmd line tools when using ETMv4 tracers as PMU.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-01 14:12:14 -07:00
Brian Bloniarz
0f40fbbcc3 Fix OpenSSH pty regression on close
OpenSSH expects the (non-blocking) read() of pty master to return
EAGAIN only if it has received all of the slave-side output after
it has received SIGCHLD. This used to work on pre-3.12 kernels.

This fix effectively forces non-blocking read() and poll() to
block for parallel i/o to complete for all ttys. It also unwinds
these changes:

1) f8747d4a46
   tty: Fix pty master read() after slave closes

2) 52bce7f8d4
   pty, n_tty: Simplify input processing on final close

3) 1a48632ffe
   pty: Fix input race when closing

Inspired by analysis and patch from Marc Aurele La France <tsi@tuyoix.net>

Reported-by: Volth <openssh@volth.com>
Reported-by: Marc Aurele La France <tsi@tuyoix.net>
BugLink: https://bugzilla.mindrot.org/show_bug.cgi?id=52
BugLink: https://bugzilla.mindrot.org/show_bug.cgi?id=2492
Signed-off-by: Brian Bloniarz <brian.bloniarz@gmail.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-01 13:22:54 -07:00
Vladimir Murzin
8a872e770f dt-bindings: document the MPS2 UART bindings
This adds documentation of device tree bindings for the
UART found on ARM MPS2 platform

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven
7f60830ab1 serial: sirf: Use generic uart-has-rtscts DT property
Convert the SiRF UART driver from using the vendor-specific
"sirf,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.

The old vendor-specific property is still recognized by the driver for
backwards compatibility, but deprecated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven
182cdcb8bb serial: mxs-auart: Use generic uart-has-rtscts DT property
Convert the Freescale MXS AUART driver from using the vendor-specific
"fsl,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.

The old vendor-specific property is still recognized by the driver for
backwards compatibility, but it is deprecated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven
1006ed7e1b serial: imx: Use generic uart-has-rtscts DT property
Convert the Freescale IMX UART driver from using the vendor-specific
"fsl,uart-has-rtscts" to the generic "uart-has-rtscts" DT property, as
documented by the Generic Serial DT Bindings.

The old vendor-specific property is still recognized by the driver for
backwards compatibility, but deprecated.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven
8d21f24416 doc: DT: Add Generic Serial Device Tree Bindings
Document a set of generic properties for describing UARTs in a
device tree:
  1. The GPIO modem control properties are currently duplicated across
     hardware-specific binding documentation,
  2. The property for dedicated RTS/CTS hardware flow control lines is
     already supported by several drivers, albeit with a vendor-specific
     prefix, hence make it generic.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <rob@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Geert Uytterhoeven
78bca84b95 serial: Move Marvell UART DT bindings to correct location
All other UART DT binding documentation is under
Documentation/devicetree/bindings/serial/.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Oleksij Rempel
254da0d753 serial: mxs-auart: add Alphascale ASM9260 support
Alphascale ASM9260 uart IP has some common registers with
Freescale STMP37XX. This patch provide changes which
allow to reuse mxs-auart.c code for ASM9260.

Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Andreas Färber
736d553886 tty: serial: meson: Implement earlycon support
Split off the bulk of the existing meson_serial_console_write()
implementation into meson_serial_port_write() for implementing
meson_serial_early_console_write().

Use "meson" as the earlycon driver name, courtesy of Nicolas.

Signed-off-by: Nicolas Saenz Julienne <nicolassaenzj@gmail.com>
Acked-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
Marek Szyprowski
71f5c63c07 phy: exynos-mipi-video: Add support for Exynos 5420 and 5433 SoCs
This patch adds support for MIPI DPHYs found in Exynos5420-compatible
(5420, 5422 and 5800) and Exynos5433 SoCs. Those SoCs differs from
earlier by different offset of MIPI DPHY registers in PMU controllers
(Exynos 5420-compatible case) or by moving MIPI DPHY reset registers to
separate system register controllers (Exynos 5433 case). In both case
also additional 5th PHY (MIPI CSIS 2) has been added.

Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30 20:12:30 +05:30
Rafał Miłecki
d3feb40673 phy: bcm-ns-usb2: new driver for USB 2.0 PHY on Northstar
Northstar is a family of SoCs used in home routers. They have USB 2.0
and 3.0 controllers with PHYs that need to be properly initialized.
This driver provides PHY init support in a generic way and can be bound
with an EHCI controller driver.
There are (just a few) registers being defined in bcma header. It's
because DMU/CRU registers will be also needed in other drivers. We will
need them e.g. in PCIe controller/PHY driver and at some point probably
in clock driver for BCM53573 chipset. By using include/linux/bcma/ we
avoid code duplication.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30 20:12:28 +05:30
Chunfeng Yun
931b119e94 dt-bindings: phy-mt65xx-usb: add support for mt2701 platform
Add a new compatible string for "mt2701"

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30 20:12:26 +05:30
Yoshihiro Shimoda
6dcfd7c300 phy: rcar-gen3-usb2: Add vbus-supply to handle VBUS on/off
To handle the VBUS on/off by a regulator driver, this patch adds
regulator APIs calling in the driver and description about vbus-supply
in the rcar-gen3-phy-usb2.txt.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30 20:12:25 +05:30
Anup Patel
2bcdf18189 dt-bindings: phy: bindings document for common Broadcom SATA3 PHY driver
This patch:
1. Renames DT bindings document of Broadcom STB SATA3 PHY driver to
common Broadcom SATA3 PHY driver bindings document
2. Adds bindings info for NS2 SATA3 PHY

Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30 20:12:24 +05:30
Gustavo Padovan
c784c82a3f Documentation: add Sync File doc
Add sync_file documentation on dma-buf-sync_file.txt
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29 17:37:10 -07:00
Gustavo Padovan
5b996e93aa Documentation: include sync_file into DocBook
Add entry in device-drivers.tmpl for sync_file documentation.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29 17:37:10 -07:00
Michael Heimpold
2dd355a007 net: ethernet: enc28j60: add device tree support
The following patch adds the required match table for device tree support
(and while at, fix the indent). It's also possible to specify the
MAC address in the DT blob.

Also add the corresponding binding documentation file.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-29 16:23:02 -04:00
Yisen.Zhuang\(Zhuangyuzeng\)
a1ecde2c6f Documentation: Bindings: Update DT binding for hns dsaf node
This patch changes property port-id to reg in dsaf port node,
removes property cpld-ctrl-reg, and fixes some typos.

Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-29 13:39:03 -04:00
Andrzej Hajda
50ec220eb4 dt-bindings: video: exynos5433-decon: add bindings for DECON-TV
DECON-TV(Display and Enhancement Controller for TV) is a variation
of DECON IP. Its main purpose is to produce video stream for HDMI IP.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2016-04-30 01:03:54 +09:00
Andrzej Hajda
7a35c0ee17 dt-bindings: video: add PCLK clock entry to exynos5433-decon
DECON IP requires this clock to access configuration registers.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2016-04-30 01:03:54 +09:00
Andrzej Hajda
2f1cad0d2d dt-bindings: exynos_hdmi: add bindings for Exynos5433 variant
Exynos5433 variant of HDMI requires different set of clocks and sysreg
phandle to system registers.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2016-04-30 01:03:53 +09:00
Thierry Reding
16108f0479 dt-bindings: usb: xhci-tegra: Add Tegra210 XUSB controller support
Extend the Tegra XUSB controller device tree binding with Tegra210
support.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:48:57 +02:00
Thierry Reding
5053dcb75b dt-bindings: usb: Add NVIDIA Tegra XUSB controller binding
Add device-tree binding documentation for the XUSB controller present
on Tegra124 and later SoCs. This controller supports USB 3.0 via an xHCI
compliant interface.

Based on work by Andrew Bresticker <abrestic@chromium.org>.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:48:57 +02:00
Thierry Reding
13541cc3d4 dt-bindings: pci: tegra: Update for per-lane PHYs
The XUSB pad controller allows PCIe lanes to be controlled individually,
providing fine-grained control over their power state. Previous attempts
at describing the XUSB pad controller in DT had erroneously assumed that
all PCIe lanes were driven by the same PHY, and hence the PCI host
controller would reference only a single PHY.

Moving to a representation of per-lane PHYs requires that the operating
system driver for the PCI host controller have access to the set of PHY
devices that make up the connection of each root port in order to power
up and down all of the lanes as necessary.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:47:30 +02:00
Thierry Reding
d6f83c1b1d dt-bindings: phy: tegra-xusb-padctl: Add Tegra210 support
Extend the binding to cover the set of feature found in Tegra210.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:44:47 +02:00
Thierry Reding
b1accd107b dt-bindings: phy: Add NVIDIA Tegra XUSB pad controller binding
The NVIDIA Tegra XUSB pad controller provides a set of pads, each with a
set of lanes that are used for PCIe, SATA and USB.

A binding exists for the XUSB pad controller already, but it turned out
not to be flexible enough to describe all aspects of the controller. In
particular, the addition of XUSB support (for SuperSpeed USB) has shown
that the existing binding is no longer suitable. Mark the old binding
as deprecated and link to the new binding.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:44:46 +02:00
Thierry Reding
1140f7c899 phy: core: Allow children node to be overridden
In order to more flexibly support device tree bindings, allow drivers to
override the container of the child nodes. By default the device node of
the PHY provider is assumed to be the parent for children, but bindings
may decide to add additional levels for better organization.

Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-04-29 16:39:39 +02:00
Helen Mae Koike Fornazier
1e166c77fd [media] DocBook: update error code in videoc-streamon
Add description of ENOLINK error

Signed-off-by: Helen Mae Koike Fornazier <helen.koike@collabora.co.uk>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-04-29 08:07:46 -03:00
Simon Horman
cde7bc367f phy: rcar-gen3-usb2: add fallback binding
In the case of Renesas R-Car hardware we know that there are generations of
SoCs, e.g. Gen 2 and Gen 3. But beyond that its not clear what the
relationship between IP blocks might be. For example, I believe that
r8a7790 is older than r8a7791 but that doesn't imply that the latter is a
descendant of the former or vice versa.

We can, however, by examining the documentation and behaviour of the
hardware at run-time observe that the current driver implementation appears
to be compatible with the IP blocks on SoCs within a given generation.

For the above reasons and convenience when enabling new SoCs a
per-generation fallback compatibility string scheme being adopted for
drivers for Renesas SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-29 14:40:07 +05:30
Simon Horman
7777cb8ba0 phy: rcar-gen2: add fallback binding
In the case of Renesas R-Car hardware we know that there are generations of
SoCs, e.g. Gen 2 and Gen 3. But beyond that its not clear what the
relationship between IP blocks might be. For example, I believe that
r8a7790 is older than r8a7791 but that doesn't imply that the latter is a
descendant of the former or vice versa.

We can, however, by examining the documentation and behaviour of the
hardware at run-time observe that the current driver implementation appears
to be compatible with the IP blocks on SoCs within a given generation.

For the above reasons and convenience when enabling new SoCs a
per-generation fallback compatibility string scheme being adopted for
drivers for Renesas SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-29 14:40:07 +05:30
Xinliang Liu
284aabb0e8 drm/hisilicon: Add device tree binding for hi6220 display subsystem
Add ADE display controller binding doc.
Add DesignWare DSI Host Controller v1.20a binding doc.

v8: None.
v7: Acked by Rob Herring.
v6:
- Cleanup values part of reg and clocks properties.
- Change "pclk_dsi" clock name to "pclk".
v5:
- Remove endpoint unit address of dsi output port.
- Add "hisilicon,noc-syscon" property for ADE NOC QoS syscon.
- Add "resets" property for ADE reset.
v4:
- Describe more specific of clocks and ports.
- Fix indentation.
v3:
- Make ade as the drm master node.
- Use assigned-clocks to set clock rate.
- Use ports to connect display relavant nodes.
v2:
- Move dt binding docs to bindings/display/hisilicon directory.

Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Signed-off-by: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Acked-by: Rob Herring <robh@kernel.org>
2016-04-29 16:37:42 +08:00
Dave Airlie
b89359bdf0 Merge branch 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu into drm-next
This adds very rudimentary TCON (timing controller for raw LCD displays)
support to enable the bypass mode in order to use the DCU controller on
Freescale/NXP Vybrid SoC's.

Additionally the register clock and pixel clock has been separated, but
are currently still enabled and disabled pairwise.

Other than that, fixes and cleanups accross the driver.

* 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu:
  drm/fsl-dcu: increment version and date
  drm/fsl-dcu: implement lastclose callback
  drm/fsl-dcu: disable output polling on driver unload
  drm/fsl-dcu: deallocate fbdev CMA on unload
  drm/fsl-dcu: use variable name dev for struct drm_device
  drm/fsl-dcu: handle missing panel gracefully
  drm/fsl-dcu: detach panel on destroy
  drm/layerscape: reduce excessive stack usage
  drm/fsl-dcu: add TCON driver
  drm/fsl-dcu: use common clock framework for pixel clock divider
  drm/fsl-dcu: add extra clock for pixel clock
  drm/fsl-dcu: disable clock on initialization failure and remove
2016-04-29 14:57:51 +10:00
Xishi Qiu
7c88a292df Documentation/sysctl/vm.txt: update numa_zonelist_order description
Commit 3193913ce6 ("mm: page_alloc: default node-ordering on 64-bit
NUMA, zone-ordering on 32-bit") changes the default value of
numa_zonelist_order.  Update the document.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28 19:34:04 -07:00
Arnd Bergmann
48ea582f3d Part two of device tree changes for omaps for v4.7 merge window:
- Fix few typos for address-cells and interrupt-names
 
 - Update dra7 voltage rail limits
 
 - Update compatible string for pcf8575 for both nxp and ti prefix
 
 - Add omap5 configuration for gpadc
 
 - Update dra7 for qspi to remove pinmux as it needs to be done by
   the bootloader in isolation. Also update the qspi for 64MHz
   frequency.
 
 - Add support for Baltos ir2110 and ir3220
 
 - Add industrial and commercial grade thermal thresholds for am57xx
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Merge tag 'omap-for-v4.7/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Merge "Part two of device tree changes for omaps for v4.7 merge window" from Tony Lindgren:

- Fix few typos for address-cells and interrupt-names

- Update dra7 voltage rail limits

- Update compatible string for pcf8575 for both nxp and ti prefix

- Add omap5 configuration for gpadc

- Update dra7 for qspi to remove pinmux as it needs to be done by
  the bootloader in isolation. Also update the qspi for 64MHz
  frequency.

- Add support for Baltos ir2110 and ir3220

- Add industrial and commercial grade thermal thresholds for am57xx

* tag 'omap-for-v4.7/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am57xx-idk: Include Industrial grade  thermal thresholds
  ARM: dts: am57xx-beagle-x15: Include the commercial grade thresholds
  ARM: dts: am57xx: Introduce industrial grade thermal thresholds
  ARM: dts: am57xx: Introduce commercial grade thermal thresholds
  ARM: dts: add DTS for Baltos IR2110
  ARM: dts: add DTS for Baltos IR3220
  ARM: dts: split am335x-baltos-ir5221 into dts and dtsi files
  ARM: dts: dra7x: Support QSPI MODE-0 operation at 64MHz
  ARM: dts: dra7x: Remove QSPI pinmux
  ARM: dts: omap5-board-common: describe gpadc for Palmas
  ARM: dts: twl6030: describe gpadc
  ARM: dts: dra7xx: Fix compatible string for PCF8575 chip
  ARM: dts: AM57xx/DRA7: Update SoC voltage rail limits to match data sheet
  ARM: dts: OMAP36xx: : DT spelling s/#address-cell/#address-cells/
  ARM: dts: omap5-cm-t54: DT spelling s/interrupt-name/interrupt-names/
  ARM: dts: omap5-board-common: DT spelling s/interrupt-name/interrupt-names/
2016-04-29 00:09:04 +02:00
David Rivshin
a5d2cb3b27 dt: cpsw: phy-handle, phy_id, and fixed-link are mutually exclusive
The phy-handle, phy_id, and fixed-link properties are mutually exclusive,
and only one need be specified. Make this clear in the binding doc.

Also mark the phy_id property as deprecated, as phy-handle should be
used instead.

Signed-off-by: David Rivshin <drivshin@allworx.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-28 17:27:30 -04:00
Jianqun Xu
51c454d261 dt-bindings: document rockchip rk3399-evb board
Use "rockchip,rk3399-evb" compatible string for Rockchip RK3399
evaluation board.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2016-04-28 22:25:49 +02:00
Krzysztof Opasiak
f945c54665 Documentation: ABI: Add doc for usbip-vudc attributes
As vudc provides some new attributes using sysfs infrastructure,
add a suitable documentation file for those attributes.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-28 12:28:08 -07:00
Eric Engestrom
edb9a1b894 Documentation: networking: fix spelling mistakes
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-28 14:21:13 -04:00
anish kumar
ca2cd6bc66 ASoC: Add max98371 codec driver
Signed-off-by: anish kumar <yesanishhere@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-04-28 18:16:04 +01:00
Arnd Bergmann
036dae83b9 Topic branch for Samsung soc/drivers update for v4.7:
This moves Samsung SROM controller code from arm/mach-exynos into to
 separate driver under drivers/memory/samsung. In the future this driver
 will be re-used on ARM64 Exynos platform.
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Merge tag 'samsung-drivers-exynos-srom-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Merge "Samsung soc/drivers update for v4.7" from Krzysztof Kozłowski:

This moves Samsung SROM controller code from arm/mach-exynos into to
separate driver under drivers/memory/samsung. In the future this driver
will be re-used on ARM64 Exynos platform.

* tag 'samsung-drivers-exynos-srom-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  memory: samsung: exynos-srom: Add support for bank configuration
  ARM: EXYNOS: Remove SROM related register settings from mach-exynos
  MAINTAINERS: Add maintainers entry for drivers/memory/samsung
  memory: Add support for Exynos SROM driver
  dt-bindings: EXYNOS: Add exynos-srom device tree binding
  ARM: dts: change SROM node compatible from generic to model specific
2016-04-28 18:40:05 +02:00
Greg Kroah-Hartman
ce15bda101 usb: changes for v4.7 merge window
Here's the big USB Gadget pull request. This time
 not as large as usual with only 57 non-merge
 commits.
 
 The most important part here is, again, all the work
 on dwc3. This time around we're treating all
 endpoints (except for control endpoint) exactly the
 same. They all have the same amount of TRBs on the
 ring, they all treat the ring as an actual ring with
 a link TRB pointing to the head, etc.
 
 We're also helping the host side burst (on
 SuperSpeed GEN1 or GEN2 at least) for as long as
 possible until the endpoint returns NRDY.
 
 Other than this big TRB ring rework on dwc3, we also
 have a dwc3-omap DMA initialization fix, some extra
 debugfs files to aid in some odd debug sessions and
 a complete removal of our FIFO resizing logic.
 
 We have a new quirk for some dwc3 P3 quirk in some
 implementations.
 
 The rest is basically non-critical fixes and the
 usual cleanups.
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Merge tag 'usb-for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: changes for v4.7 merge window

Here's the big USB Gadget pull request. This time
not as large as usual with only 57 non-merge
commits.

The most important part here is, again, all the work
on dwc3. This time around we're treating all
endpoints (except for control endpoint) exactly the
same. They all have the same amount of TRBs on the
ring, they all treat the ring as an actual ring with
a link TRB pointing to the head, etc.

We're also helping the host side burst (on
SuperSpeed GEN1 or GEN2 at least) for as long as
possible until the endpoint returns NRDY.

Other than this big TRB ring rework on dwc3, we also
have a dwc3-omap DMA initialization fix, some extra
debugfs files to aid in some odd debug sessions and
a complete removal of our FIFO resizing logic.

We have a new quirk for some dwc3 P3 quirk in some
implementations.

The rest is basically non-critical fixes and the
usual cleanups.
2016-04-28 09:32:39 -07:00