Commit Graph

373285 Commits

Author SHA1 Message Date
Claudiu Ghioc 954829863d autofs - fix sparse warning for autofs4_d_manage()
Fixed the sparse warning:

  fs/autofs4/root.c:411:5: warning: symbol 'autofs4_d_manage' was not declared. Should it be static?"

[ Clearly it should be static as the function is declared static at the
  top of root.c.  - imk ]

Signed-off-by: Claudiu Ghioc <claudiu.ghioc@gmail.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-06 13:06:59 -07:00
Linus Torvalds 2bf1bef0d6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Martin Schwidefsky:
 "This is the second batch of s390 patches for the 3.10 merge window.

  Heiko improved the memory detection, this fixes kdump for large memory
  sizes.  Some kvm related memory management work, new ipldev/condev
  keywords in cio and bug fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/mem_detect: remove artificial kdump memory types
  s390/mm: add pte invalidation notifier for kvm
  s390/zcrypt: ap bus rescan problem when toggle crypto adapters on/off
  s390/memory hotplug,sclp: get rid of per memory increment usecount
  s390/memory hotplug: provide memory_block_size_bytes() function
  s390/mem_detect: limit memory detection loop to "mem=" parameter
  s390/kdump,bootmem: fix bootmem allocator bitmap size
  s390: get rid of odd global real_memory_size
  s390/kvm: Change the virtual memory mapping location for Virtio devices
  s390/zcore: calculate real memory size using own get_mem_size function
  s390/mem_detect: add DAT sanity check
  s390/mem_detect: fix lockdep irq tracing
  s390/mem_detect: move memory detection code to mm folder
  s390/zfcpdump: exploit new cio_ignore keywords
  s390/cio: add condev keyword to cio_ignore
  s390/cio: add ipldev keyword to cio_ignore
  s390/uaccess: add "fallthrough" comments
2013-05-06 12:34:53 -07:00
Linus Torvalds d7ab7302f9 For 3.10 we have a few new MFD drivers for:
- The ChromeOS embedded controller which provides keyboard, battery and power
   management services. This controller is accessible through i2c or SPI.
 
 - Silicon Laboratories 476x controller, providing access to their FM chipset
   and their audio codec.
 
 - Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based reader.
 
 - Nokia's Tahvo power button and watchdog device. This device is very similar
   to Retu and is thus supported by the same code base.
 
 - STMicroelectronics STMPE1801, a keyboard and GPIO controller supported by
   the stmpe driver.
 
 - ST-Ericsson AB8540 and AB8505 power management and voltage converter
   controllers through the existing ab8500 code.
 
 Some other drivers got cleaned up or improved. In particular:
 
 - The Linaro/STE guys got the ab8500 driver in sync with their internal code
   through a series of optimizations, fixes and improvements.
 
 - The AS3711 and OMAP USB drivers now have DT support.
 
 - The arizona clock and interrupt handling code got improved.
 
 - The wm5102 register patch and boot mechanism also got improved.
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Merge tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next

Pull MFD update from Samuel Ortiz:
 "For 3.10 we have a few new MFD drivers for:

   - The ChromeOS embedded controller which provides keyboard, battery
     and power management services.  This controller is accessible
     through i2c or SPI.

   - Silicon Laboratories 476x controller, providing access to their FM
     chipset and their audio codec.

   - Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based
     reader.

   - Nokia's Tahvo power button and watchdog device.  This device is
     very similar to Retu and is thus supported by the same code base.

   - STMicroelectronics STMPE1801, a keyboard and GPIO controller
     supported by the stmpe driver.

   - ST-Ericsson AB8540 and AB8505 power management and voltage
     converter controllers through the existing ab8500 code.

  Some other drivers got cleaned up or improved.  In particular:

   - The Linaro/STE guys got the ab8500 driver in sync with their
     internal code through a series of optimizations, fixes and
     improvements.

   - The AS3711 and OMAP USB drivers now have DT support.

   - The arizona clock and interrupt handling code got improved.

   - The wm5102 register patch and boot mechanism also got improved."

* tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (104 commits)
  mfd: si476x: Don't use 0bNNN
  mfd: vexpress: Handle pending config transactions
  mfd: ab8500: Export ab8500_gpadc_sw_hw_convert properly
  mfd: si476x: Fix i2c warning
  mfd: si476x: Add header files and Kbuild plumbing
  mfd: si476x: Add chip properties handling code
  mfd: si476x: Add the bulk of the core driver
  mfd: si476x: Add commands abstraction layer
  mfd: rtsx: Support RTS5249
  mfd: retu: Add Tahvo support
  mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
  mfd: wm8994: Add some OF properties
  mfd: wm8994: Add device ID data to WM8994 OF device IDs
  input: Export matrix_keypad_parse_of_params()
  mfd: tps65090: Add compatible string for charger subnode
  mfd: db8500-prcmu: Support platform dependant device selection
  mfd: syscon: Fix warnings when printing resource_size_t
  of: Add stub of_get_parent for non-OF builds
  mfd: omap-usb-tll: Convert to devm_ioremap_resource()
  mfd: omap-usb-host: Convert to devm_ioremap_resource()
  ...
2013-05-05 17:36:20 -07:00
Linus Torvalds 01227a889e Merge tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Gleb Natapov:
 "Highlights of the updates are:

  general:
   - new emulated device API
   - legacy device assignment is now optional
   - irqfd interface is more generic and can be shared between arches

  x86:
   - VMCS shadow support and other nested VMX improvements
   - APIC virtualization and Posted Interrupt hardware support
   - Optimize mmio spte zapping

  ppc:
    - BookE: in-kernel MPIC emulation with irqfd support
    - Book3S: in-kernel XICS emulation (incomplete)
    - Book3S: HV: migration fixes
    - BookE: more debug support preparation
    - BookE: e6500 support

  ARM:
   - reworking of Hyp idmaps

  s390:
   - ioeventfd for virtio-ccw

  And many other bug fixes, cleanups and improvements"

* tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (204 commits)
  kvm: Add compat_ioctl for device control API
  KVM: x86: Account for failing enable_irq_window for NMI window request
  KVM: PPC: Book3S: Add API for in-kernel XICS emulation
  kvm/ppc/mpic: fix missing unlock in set_base_addr()
  kvm/ppc: Hold srcu lock when calling kvm_io_bus_read/write
  kvm/ppc/mpic: remove users
  kvm/ppc/mpic: fix mmio region lists when multiple guests used
  kvm/ppc/mpic: remove default routes from documentation
  kvm: KVM_CAP_IOMMU only available with device assignment
  ARM: KVM: iterate over all CPUs for CPU compatibility check
  KVM: ARM: Fix spelling in error message
  ARM: KVM: define KVM_ARM_MAX_VCPUS unconditionally
  KVM: ARM: Fix API documentation for ONE_REG encoding
  ARM: KVM: promote vfp_host pointer to generic host cpu context
  ARM: KVM: add architecture specific hook for capabilities
  ARM: KVM: perform HYP initilization for hotplugged CPUs
  ARM: KVM: switch to a dual-step HYP init code
  ARM: KVM: rework HYP page table freeing
  ARM: KVM: enforce maximum size for identity mapped code
  ARM: KVM: move to a KVM provided HYP idmap
  ...
2013-05-05 14:47:31 -07:00
David Howells 9e6879460c Give the OID registry file module info to avoid kernel tainting
Give the OID registry file module information so that it doesn't taint the
kernel when compiled as a module and loaded.

Reported-by: Dros Adamson <Weston.Adamson@netapp.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Trond Myklebust <Trond.Myklebust@netapp.com>
cc: stable@vger.kernel.org
cc: linux-nfs@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-05 14:38:00 -07:00
Linus Torvalds 534c97b095 Merge branch 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull 'full dynticks' support from Ingo Molnar:
 "This tree from Frederic Weisbecker adds a new, (exciting! :-) core
  kernel feature to the timer and scheduler subsystems: 'full dynticks',
  or CONFIG_NO_HZ_FULL=y.

  This feature extends the nohz variable-size timer tick feature from
  idle to busy CPUs (running at most one task) as well, potentially
  reducing the number of timer interrupts significantly.

  This feature got motivated by real-time folks and the -rt tree, but
  the general utility and motivation of full-dynticks runs wider than
  that:

   - HPC workloads get faster: CPUs running a single task should be able
     to utilize a maximum amount of CPU power.  A periodic timer tick at
     HZ=1000 can cause a constant overhead of up to 1.0%.  This feature
     removes that overhead - and speeds up the system by 0.5%-1.0% on
     typical distro configs even on modern systems.

   - Real-time workload latency reduction: CPUs running critical tasks
     should experience as little jitter as possible.  The last remaining
     source of kernel-related jitter was the periodic timer tick.

   - A single task executing on a CPU is a pretty common situation,
     especially with an increasing number of cores/CPUs, so this feature
     helps desktop and mobile workloads as well.

  The cost of the feature is mainly related to increased timer
  reprogramming overhead when a CPU switches its tick period, and thus
  slightly longer to-idle and from-idle latency.

  Configuration-wise a third mode of operation is added to the existing
  two NOHZ kconfig modes:

   - CONFIG_HZ_PERIODIC: [formerly !CONFIG_NO_HZ], now explicitly named
     as a config option.  This is the traditional Linux periodic tick
     design: there's a HZ tick going on all the time, regardless of
     whether a CPU is idle or not.

   - CONFIG_NO_HZ_IDLE: [formerly CONFIG_NO_HZ=y], this turns off the
     periodic tick when a CPU enters idle mode.

   - CONFIG_NO_HZ_FULL: this new mode, in addition to turning off the
     tick when a CPU is idle, also slows the tick down to 1 Hz (one
     timer interrupt per second) when only a single task is running on a
     CPU.

  The .config behavior is compatible: existing !CONFIG_NO_HZ and
  CONFIG_NO_HZ=y settings get translated to the new values, without the
  user having to configure anything.  CONFIG_NO_HZ_FULL is turned off by
  default.

  This feature is based on a lot of infrastructure work that has been
  steadily going upstream in the last 2-3 cycles: related RCU support
  and non-periodic cputime support in particular is upstream already.

  This tree adds the final pieces and activates the feature.  The pull
  request is marked RFC because:

   - it's marked 64-bit only at the moment - the 32-bit support patch is
     small but did not get ready in time.

   - it has a number of fresh commits that came in after the merge
     window.  The overwhelming majority of commits are from before the
     merge window, but still some aspects of the tree are fresh and so I
     marked it RFC.

   - it's a pretty wide-reaching feature with lots of effects - and
     while the components have been in testing for some time, the full
     combination is still not very widely used.  That it's default-off
     should reduce its regression abilities and obviously there are no
     known regressions with CONFIG_NO_HZ_FULL=y enabled either.

   - the feature is not completely idempotent: there is no 100%
     equivalent replacement for a periodic scheduler/timer tick.  In
     particular there's ongoing work to map out and reduce its effects
     on scheduler load-balancing and statistics.  This should not impact
     correctness though, there are no known regressions related to this
     feature at this point.

   - it's a pretty ambitious feature that with time will likely be
     enabled by most Linux distros, and we'd like you to make input on
     its design/implementation, if you dislike some aspect we missed.
     Without flaming us to crisp! :-)

  Future plans:

   - there's ongoing work to reduce 1Hz to 0Hz, to essentially shut off
     the periodic tick altogether when there's a single busy task on a
     CPU.  We'd first like 1 Hz to be exposed more widely before we go
     for the 0 Hz target though.

   - once we reach 0 Hz we can remove the periodic tick assumption from
     nr_running>=2 as well, by essentially interrupting busy tasks only
     as frequently as the sched_latency constraints require us to do -
     once every 4-40 msecs, depending on nr_running.

  I am personally leaning towards biting the bullet and doing this in
  v3.10, like the -rt tree this effort has been going on for too long -
  but the final word is up to you as usual.

  More technical details can be found in Documentation/timers/NO_HZ.txt"

* 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
  sched: Keep at least 1 tick per second for active dynticks tasks
  rcu: Fix full dynticks' dependency on wide RCU nocb mode
  nohz: Protect smp_processor_id() in tick_nohz_task_switch()
  nohz_full: Add documentation.
  cputime_nsecs: use math64.h for nsec resolution conversion helpers
  nohz: Select VIRT_CPU_ACCOUNTING_GEN from full dynticks config
  nohz: Reduce overhead under high-freq idling patterns
  nohz: Remove full dynticks' superfluous dependency on RCU tree
  nohz: Fix unavailable tick_stop tracepoint in dynticks idle
  nohz: Add basic tracing
  nohz: Select wide RCU nocb for full dynticks
  nohz: Disable the tick when irq resume in full dynticks CPU
  nohz: Re-evaluate the tick for the new task after a context switch
  nohz: Prepare to stop the tick on irq exit
  nohz: Implement full dynticks kick
  nohz: Re-evaluate the tick from the scheduler IPI
  sched: New helper to prevent from stopping the tick in full dynticks
  sched: Kick full dynticks CPU that have more than one task enqueued.
  perf: New helper to prevent full dynticks CPUs from stopping tick
  perf: Kick full dynticks CPU if events rotation is needed
  ...
2013-05-05 13:23:27 -07:00
Linus Torvalds 64049d1973 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Misc fixes plus a small hw-enablement patch for Intel IB model 58
  uncore events"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/lbr: Demand proper privileges for PERF_SAMPLE_BRANCH_KERNEL
  perf/x86/intel/lbr: Fix LBR filter
  perf/x86: Blacklist all MEM_*_RETIRED events for Ivy Bridge
  perf: Fix vmalloc ring buffer pages handling
  perf/x86/intel: Fix unintended variable name reuse
  perf/x86/intel: Add support for IvyBridge model 58 Uncore
  perf/x86/intel: Fix typo in perf_event_intel_uncore.c
  x86: Eliminate irq_mis_count counted in arch_irq_stat
2013-05-05 11:37:16 -07:00
Linus Torvalds f8ce1faf55 We get rid of the general module prefix confusion with a binary config option,
fix a remove/insert race which Never Happens, and (my favorite) handle the
 case when we have too many modules for a single commandline.  Seriously,
 the kernel is full, please go away!
 
 Cheers,
 Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull mudule updates from Rusty Russell:
 "We get rid of the general module prefix confusion with a binary config
  option, fix a remove/insert race which Never Happens, and (my
  favorite) handle the case when we have too many modules for a single
  commandline.  Seriously, the kernel is full, please go away!"

* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  modpost: fix unwanted VMLINUX_SYMBOL_STR expansion
  X.509: Support parse long form of length octets in Authority Key Identifier
  module: don't unlink the module until we've removed all exposure.
  kernel: kallsyms: memory override issue, need check destination buffer length
  MODSIGN: do not send garbage to stderr when enabling modules signature
  modpost: handle huge numbers of modules.
  modpost: add -T option to read module names from file/stdin.
  modpost: minor cleanup.
  genksyms: pass symbol-prefix instead of arch
  module: fix symbol versioning with symbol prefixes
  CONFIG_SYMBOL_PREFIX: cleanup.
2013-05-05 10:58:06 -07:00
Linus Torvalds 24d0c2542b Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull single_open() leak fixes from Al Viro:
 "A bunch of fixes for a moderately common class of bugs: file with
  single_open() done by its ->open() and seq_release as its ->release().

  That leaks; fortunately, it's not _too_ common (either people manage
  to RTFM that says "When using single_open(), the programmer should use
  single_release() instead of seq_release() in the file_operations
  structure to avoid a memory leak", or they just copy a correct
  instance), but grepping through the tree has caught quite a pile.

  All of that is, AFAICS, -stable fodder, for as far as the patches
  apply.  I tried to carve it up into reasonably-sized pieces (more or
  less "comes from the same tree")"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  rcutrace: single_open() leaks
  gadget: single_open() leaks
  staging: single_open() leaks
  megaraid: single_open() leak
  wireless: single_open() leaks
  input: single_open() leak
  rtc: single_open() leaks
  ds1620: single_open() leak
  sh: single_open() leaks
  parisc: single_open() leaks
  mips: single_open() leaks
  ia64: single_open() leaks
  h8300: single_open() leaks
  cris: single_open() leaks
  arm: single_open() leaks
2013-05-05 10:35:26 -07:00
Linus Torvalds 802d0db827 Merge branch 'ipc-cleanups'
Merge ipc fixes and cleanups from my IPC branch.

The ipc locking has always been pretty ugly, and the scalability fixes
to some degree made it even less readable.  We had two cases of double
unlocks in error paths due to this (one rcu read unlock, one semaphore
unlock), and this fixes the bugs I found while trying to clean things up
a bit so that we are less likely to have more.

* ipc-cleanups:
  ipc: simplify rcu_read_lock() in semctl_nolock()
  ipc: simplify semtimedop/semctl_main() common error path handling
  ipc: move sem_obtain_lock() rcu locking into the only caller
  ipc: fix double sem unlock in semctl error path
  ipc: move the rcu_read_lock() from sem_lock_and_putref() into callers
  ipc: sem_putref() does not need the semaphore lock any more
  ipc: move rcu_read_unlock() out of sem_unlock() and into callers
2013-05-05 10:13:44 -07:00
Scott Wood db6ae61581 kvm: Add compat_ioctl for device control API
This API shouldn't have 32/64-bit issues, but VFS assumes it does
unless told otherwise.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-05-05 12:14:15 +03:00
Peter Zijlstra 7cc23cd6c0 perf/x86/intel/lbr: Demand proper privileges for PERF_SAMPLE_BRANCH_KERNEL
We should always have proper privileges when requesting kernel
data.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <stable@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: eranian@google.com
Link: http://lkml.kernel.org/r/20130503121256.230745028@chello.nl
[ Fix build error reported by fengguang.wu@intel.com, propagate error code back. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/n/tip-v0x9ky3ahzr6nm3c6ilwrili@git.kernel.org
2013-05-05 10:58:11 +02:00
Al Viro 7ee2b9e564 rcutrace: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:16:35 -04:00
Al Viro 962a1ab21e gadget: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:16:11 -04:00
Al Viro bae301d346 staging: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:15:43 -04:00
Al Viro 9bec8a7401 megaraid: single_open() leak
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:15:15 -04:00
Al Viro bc3041f055 wireless: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:13:20 -04:00
Al Viro 9b3a0a6f8c input: single_open() leak
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:12:56 -04:00
Al Viro 2e7718cf7f rtc: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:12:29 -04:00
Al Viro 7485e16c52 ds1620: single_open() leak
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:11:29 -04:00
Al Viro c39b9fd728 sh: single_open() leaks
Cc: vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:11:01 -04:00
Al Viro 46d4c0ff24 parisc: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:10:41 -04:00
Al Viro acf300dd87 mips: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:10:21 -04:00
Al Viro 7540146161 ia64: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:09:04 -04:00
Al Viro a81ecc1631 h8300: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:08:26 -04:00
Al Viro f42787dff0 cris: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:07:52 -04:00
Al Viro b11ac20eca arm: single_open() leaks
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-05 00:07:22 -04:00
Linus Torvalds 1aaf6d3d3d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Several routines do not use netdev_features_t to hold such bitmasks,
    fixes from Patrick McHardy and Bjørn Mork.

 2) Update cpsw IRQ software state and the actual HW irq enabling in the
    correct order.  From Mugunthan V N.

 3) When sending tipc packets to multiple bearers, we have to make
    copies of the SKB rather than just giving the original SKB directly.
    Fix from Gerlando Falauto.

 4) Fix race with bridging topology change timer, from Stephen
    Hemminger.

 5) Fix TCPv6 segmentation handling in GRE and VXLAN, from Pravin B
    Shelar.

 6) Endian bug in USB pegasus driver, from Dan Carpenter.

 7) Fix crashes on MTU reduction in USB asix driver, from Holger
    Eitzenberger.

 8) Don't allow the kernel to BUG() just because the user puts some crap
    in an AF_PACKET mmap() ring descriptor.  Fix from Daniel Borkmann.

 9) Don't use variable sized arrays on the stack in xen-netback, from
    Wei Liu.

10) Fix stats reporting and an unbalanced napi_disable() in be2net
    driver.  From Somnath Kotur and Ajit Khaparde.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (25 commits)
  cxgb4: fix error recovery when t4_fw_hello returns a positive value
  sky2: Fix crash on receiving VLAN frames
  packet: tpacket_v3: do not trigger bug() on wrong header status
  asix: fix BUG in receive path when lowering MTU
  net: qmi_wwan: Add Telewell TW-LTE 4G
  usbnet: pegasus: endian bug in write_mii_word()
  vxlan: Fix TCPv6 segmentation.
  gre: Fix GREv4 TCPv6 segmentation.
  bridge: fix race with topology change timer
  tipc: pskb_copy() buffers when sending on more than one bearer
  tipc: tipc_bcbearer_send(): simplify bearer selection
  tipc: cosmetic: clean up comments and break a long line
  drivers: net: cpsw: irq not disabled in cpsw isr in particular sequence
  xen-netback: better names for thresholds
  xen-netback: avoid allocating variable size array on stack
  xen-netback: remove redundent parameter in netbk_count_requests
  be2net: Fix to fail probe if MSI-X enable fails for a VF
  be2net: avoid napi_disable() when it has not been enabled
  be2net: Fix firmware download for Lancer
  be2net: Fix to receive Multicast Packets when Promiscuous mode is enabled on certain devices
  ...
2013-05-04 20:10:04 -07:00
Linus Torvalds f589e9bfcf Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
Pull sparc updates from David Miller:

 1) Hibernation support, as well as removal of excess interrupt
    twiddling in MMU context allocation on sparc64 from Kirill Tkhai.

 2) Kill references to __ARCH_WANT_UNLOCKED_CTXSW.

 3) Sparc32 LEON bug fixes from Daniel Hellstrom and Andreas Larsson.

 4) Provide cmpxchg64(), from Geert Uytterhoeven.

 5) Device refcount and registry bug fixes from Federico Vaga and Wei
    Yongjun.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
  serial: sunsu: add missing platform_driver_unregister() when module exit
  sparc32, leon: Do not overwrite previously set irq flow handlers
  sparc/kernel/vio.c: add put_device() after device_find_child()
  sparc64: Do not save/restore interrupts in get_new_mmu_context()
  sparc: Consistently use 'wr' and 'rd' instructions for ASRs.
  sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW
  sparc64: Provide cmpxchg64()
  sparc64: Do not change num_physpages during initmem freeing
  sparc64: Hibernation support
  sparc,leon: updated GRPCI2 config name
  sparc,leon: support for GRPCI1 PCI host bridge controller
  sparc32,leon: add support for PCI busn resource for GRPCI2
2013-05-04 20:08:49 -07:00
David S. Miller 048c9acca9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Merge sparc bug fixes that didn't make it into v3.9 into
sparc-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-04 18:34:13 -07:00
Wei Yongjun ad348cc534 serial: sunsu: add missing platform_driver_unregister() when module exit
We have registered platform driver when module init, and
need unregister it when module exit.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-04 17:39:48 -07:00
Andreas Larsson 6e4741e73b sparc32, leon: Do not overwrite previously set irq flow handlers
This is needed because when scan_of_devices finds the GAISLER_GPTIMER
core that corresponds to the SMP "ticker" timer, the previously set
proper irq flow handler gets overwritten with an incorrect one. This
leads to very flaky timer interrupt handling on some hardware. Proper
updates to handlers can still be done using leon_update_virq_handling.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-04 17:38:18 -07:00
Federico Vaga 75e448036b sparc/kernel/vio.c: add put_device() after device_find_child()
The vio_remove() function uses device_find_child() but it does not drop
the reference of the retrieved child.

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-04 17:38:18 -07:00
Linus Torvalds 941b0304a7 ipc: simplify rcu_read_lock() in semctl_nolock()
This trivially combines two rcu_read_lock() calls in both sides of a
if-statement into one single one in front of the if-statement.

Split out as an independent cleanup from the previous commit.

Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-04 17:24:59 -07:00
Linus Torvalds c728b9c87b ipc: simplify semtimedop/semctl_main() common error path handling
With various straight RCU lock/unlock movements, one common exit path
pattern had become

	rcu_read_unlock();
	goto out_wakeup;

and in fact there were no cases where we wanted to exit to out_wakeup
_without_ releasing the RCU read lock.

So replace that pattern with "goto out_rcu_wakeup", and remove the old
out_wakeup.

Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-04 17:21:58 -07:00
Linus Torvalds 321310ced2 ipc: move sem_obtain_lock() rcu locking into the only caller
sem_obtain_lock() was another of those functions that returned with the
RCU lock held for reading in the success case.  Move the RCU locking to
the caller (semtimedop()), making it more obvious.  We already did RCU
locking elsewhere in that function.

Side note: why does semtimedop() re-do the semphore lookup after the
sleep, rather than just getting a reference to the semaphore it already
looked up originally?

Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-04 17:20:14 -07:00
Linus Torvalds fbfd1d2862 ipc: fix double sem unlock in semctl error path
Fix another ipc locking buglet introduced by the scalability patches:
when semctl_down() was changed to delay the semaphore locking, one error
path for security_sem_semctl() went through the semaphore unlock logic
even though the semaphore had never been locked.

Introduced by commit 16df3674ef ("ipc,sem: do not hold ipc lock more
than necessary")

Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-04 17:19:59 -07:00
Linus Torvalds 4091fd942e ipc: move the rcu_read_lock() from sem_lock_and_putref() into callers
This is another ipc semaphore locking cleanup, trying to make the
locking more straightforward.  We move the rcu read locking into the
callers of sem_lock_and_putref(), which in general means that we now
mostly do the rcu_read_lock() and rcu_read_unlock() in the same
function.

Mostly.  We still have the ipc_addid/newary/freeary mess, and things
like ipcctl_pre_down_nolock().

Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-04 17:19:39 -07:00
Linus Torvalds 173192958d MMC highlights for 3.10:
Core:
  - Introduce MMC_CAP2_NO_PRESCAN_POWERUP to allow skipping mmc_power_up()
    at boot/initialization time if it's already happened, for performance
    (faster boot time) reasons.
  - Fix a bit width test failure that resulted in old eMMC cards being put
    into 1-bit mode when 4-bit mode was available.
  - Expose fwrev/hwrev for MMCv4 parts.
  - Improve card removal logic in the case where the card's removed slowly;
    we were missing card removal events if the card retained contact with
    the slot pads for long enough to reply to a CMD13 while being removed.
 
 Drivers:
  - davinci_mmc: Support using PIO instead of DMA.
  - dw_mmc: Add support for Exynos4412.
  - mxcmmc: DT support, use slot-gpio API.
  - mxs-mmc: Add broken-cd/cd-inverted/non-removable DT property support.
  - sdhci-sirf: New sdhci-pltfm driver for CSR SiRF SoCs:
     SiRFprimaII: unicore ARM Cortex-A9
     SiRFatlas6: unicore ARM Cortex-A9
     SiRFmarco: dual core ARM Cortex-A9 SMP
  - sdhci-tegra: Add support for Tegra114 platforms, use mmc_of_parse().
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Merge tag 'mmc-updates-for-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC update from Chris Ball:
 "MMC highlights for 3.10:

  Core:
   - Introduce MMC_CAP2_NO_PRESCAN_POWERUP to allow skipping
     mmc_power_up() at boot/initialization time if it's already
     happened, for performance (faster boot time) reasons.
   - Fix a bit width test failure that resulted in old eMMC cards being
     put into 1-bit mode when 4-bit mode was available.
   - Expose fwrev/hwrev for MMCv4 parts.
   - Improve card removal logic in the case where the card's removed
     slowly; we were missing card removal events if the card retained
     contact with the slot pads for long enough to reply to a CMD13
     while being removed.

  Drivers:
   - davinci_mmc: Support using PIO instead of DMA.
   - dw_mmc: Add support for Exynos4412.
   - mxcmmc: DT support, use slot-gpio API.
   - mxs-mmc: Add broken-cd/cd-inverted/non-removable DT property
     support.
   - sdhci-sirf: New sdhci-pltfm driver for CSR SiRF SoCs:
       SiRFprimaII: unicore ARM Cortex-A9
       SiRFatlas6: unicore ARM Cortex-A9
       SiRFmarco: dual core ARM Cortex-A9 SMP
   - sdhci-tegra: Add support for Tegra114 platforms, use
     mmc_of_parse()"

* tag 'mmc-updates-for-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (66 commits)
  mmc: sdhci-tegra: fix MODULE_DEVICE_TABLE
  mmc: core: fix init controller performance regression, updated patch
  mmc: mxcmmc: enable DMA support on mpc512x
  mmc: mxcmmc: constify mxcmci_devtype
  mmc: mxcmmc: use slot-gpio API for write-protect detection
  mmc: mxcmmc: add mpc512x SDHC support
  mmc: mxcmmc: fix race conditions for host->req and host->data access
  mmc: mxcmmc: DT support
  mmc: dw_mmc: let device core setup the default pin configuration
  mmc: mxs-mmc: add broken-cd property
  mmc: mxs-mmc: add non-removable property
  mmc: mxs-mmc: add cd-inverted property
  mmc: core: call pm_runtime_put_noidle in pm_runtime_get_sync failed case
  mmc: mxcmmc: Fix bug when card is present during boot
  mmc: core: fix performance regression initializing MMC host controllers
  Revert "mmc: core: wait while adding MMC host to ensure root mounts successfully"
  mmc: atmel-mci: pio hang on block errors
  mmc: core: Fix bit width test failing on old eMMC cards
  mmc: dw_mmc: Use pr_info instead of printk
  mmc: dw_mmc: Check return value of regulator_enable
  ...
2013-05-04 13:45:17 -07:00
Linus Torvalds e72a5d1ceb Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon update from Jean Delvare:
 "Only lm75 driver updates this time"

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (lm75) Add support for the Dallas/Maxim DS7505
  hwmon: (lm75) Tune resolution and sample time per chip
  hwmon: (lm75) Prepare to support per-chip resolution and sample time
  hwmon: (lm75) Per-chip configuration register initialization
2013-05-04 13:44:38 -07:00
Linus Torvalds bd932ae1bd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull second round of VFS updates from Al Viro:
 "Assorted fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  xtensa simdisk: fix braino in "xtensa simdisk: switch to proc_create_data()"
  hostfs: use kmalloc instead of kzalloc
  hostfs: move HOSTFS_SUPER_MAGIC to <linux/magic.h>
  hostfs: remove "will unlock" comment
  vfs: use list_move instead of list_del/list_add
  proc_devtree: Replace include linux/module.h with linux/export.h
  create_mnt_ns: unidiomatic use of list_add()
  fs: remove dentry_lru_prune()
  Removed unused typedef to avoid "unused local typedef" warnings.
  kill fs/read_write.h
  fs: Fix hang with BSD accounting on frozen filesystem
  sun3_scsi: add ->show_info()
  nubus: Kill nubus_proc_detach_device()
  more mode_t whack-a-mole...
  do_coredump(): don't wait for thaw if coredump has already been interrupted
  do_mount(): fix a leak introduced in 3.9 ("mount: consolidate permission checks")
2013-05-04 13:29:38 -07:00
Al Viro 4fe56e8082 xtensa simdisk: fix braino in "xtensa simdisk: switch to proc_create_data()"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-04 16:02:42 -04:00
James Hogan 371fdab100 hostfs: use kmalloc instead of kzalloc
The inode info structure is zeroed at allocation with kzalloc, and then
all but one of the fields (including the largest, vfs_inode) are
initialised explicitly. Switch to using kmalloc and initialise the
remaining field too.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-04 15:48:45 -04:00
James Hogan 2b3b9bb03a hostfs: move HOSTFS_SUPER_MAGIC to <linux/magic.h>
Move HOSTFS_SUPER_MAGIC to <linux/magic.h> to be with it's magical
friends from other file systems.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-04 15:48:44 -04:00
James Hogan 9dcc5e8a46 hostfs: remove "will unlock" comment
A "will unlock" comment was added to hostfs in the following commit,
along with a spinlock:

Commit e9193059b1 ("hostfs: fix races in
dentry_name() and inode_name()").

But the spinlock was subsequently removed in the following commit:

Commit ec2447c278 ("hostfs: simplify
locking").

Since the comment is no longer applicable, remove it.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-04 15:48:44 -04:00
Wei Yongjun 9ed53b12a9 vfs: use list_move instead of list_del/list_add
Using list_move() instead of list_del() + list_add().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-05-04 15:43:02 -04:00
Linus Torvalds 150a8dcf10 ARM: arm-soc board specific changes for 3.10, part 1
These changes are all for board specific files. These used to make up a
 large portion of the ARM changes in the past, but as we are generalizing
 the support and moving to device tree probing, this has gotten
 significantly smaller. The only platform actually adding new code here
 at the moment is Renesas shmobile, as they are still busy converting
 their code to device tree and have not come far enough to not need it.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC board specific changes (part 1) from Olof Johansson:
 "These changes are all for board specific files.  These used to make up
  a large portion of the ARM changes in the past, but as we are
  generalizing the support and moving to device tree probing, this has
  gotten significantly smaller.

  The only platform actually adding new code here at the moment is
  Renesas shmobile, as they are still busy converting their code to
  device tree and have not come far enough to not need it."

* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  ARM: msm: USB_MSM_OTG needs USB_PHY
  ARM: davinci: da850 evm: fix const qualifier placement
  ARM: davinci: da850 board: add remoteproc support
  ARM: pxa: move debug uart code
  ARM: pxa: select PXA935 on saar & tavorevb
  ARM: mmp: add more compatible names in gpio driver
  ARM: pxa: move PXA_GPIO_TO_IRQ macro
  ARM: pxa: remove cpu_is_xxx in gpio driver
  ARM: Kirkwood: update Network Space Mini v2 description
  ARM: Kirkwood: DT board setup for CloudBox
  ARM: Kirkwood: sort board entries by ASCII-code order
  ARM: OMAP: board-4430sdp: Provide regulator to pwm-backlight
  ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
  ARM: OMAP2+: omap2plus_defconfig: Add support for BMP085 pressure sensor
  omap2+: Remove useless Makefile line
  omap2+: Remove useless Makefile line
  ARM: OMAP: RX-51: add missing regulator supply definitions for lis3lv02d
  ARM: OMAP1: fix omap_udc registration
  ARM: davinci: use is IS_ENABLED macro
  ARM: kirkwood: add MACH_GURUPLUG_DT to defconfig
  ...
2013-05-04 12:34:30 -07:00
Linus Torvalds e3d98847de ARM: platform specific firmware interfaces for 3.10
Two platforms, bcm and exynos have their own firmware interfaces using
 the "secure monitor call", this adds support for those.
 
 We had originally planned to have a third set of patches in here, which
 would extend support for the existing generic "psci" call that is used
 on multiple platforms as well as Xen and KVM guests, but that ended up
 getting dropped because the patches were not ready in time.
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Merge tag 'firmware-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM platform specific firmware interfaces from Olof Johansson:
 "Two platforms, bcm and exynos have their own firmware interfaces using
  the "secure monitor call", this adds support for those.

  We had originally planned to have a third set of patches in here,
  which would extend support for the existing generic "psci" call that
  is used on multiple platforms as well as Xen and KVM guests, but that
  ended up getting dropped because the patches were not ready in time."

* tag 'firmware-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: bcm: mark bcm_kona_smc_init as __init
  ARM: bcm281xx: Add DT support for SMC handler
  ARM: bcm281xx: Add L2 cache enable code
  ARM: EXYNOS: Add secure firmware support to secondary CPU bring-up
  ARM: EXYNOS: Add IO mapping for non-secure SYSRAM.
  ARM: EXYNOS: Add support for Exynos secure firmware
  ARM: EXYNOS: Add support for secure monitor calls
  ARM: Add interface for registering and calling firmware-specific operations
2013-05-04 12:33:36 -07:00
Linus Torvalds 22b154365f ARM: arm-soc pinctrl changes for Renesas for 3.10
This is yet another driver change, which is split out just because
 of its size. As already in 3.9, a lot of changes are going on here,
 as the shmobile platform gets converted from its own pin control
 API to the generic drivers/pinctrl subsystem.
 
 Based on agreements with Paul Mundt, we are merging the sh-arch-side
 changes here as well.
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Merge tag 'renesas-pinctrl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC pinctrl changes for Renesas from Olof Johansson:
 "This is yet another driver change, which is split out just because of
  its size.  As already in 3.9, a lot of changes are going on here, as
  the shmobile platform gets converted from its own pin control API to
  the generic drivers/pinctrl subsystem.

  Based on agreements with Paul Mundt, we are merging the sh-arch-side
  changes here as well"

* tag 'renesas-pinctrl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (142 commits)
  ARM: shmobile: r8a7779: Remove INTC function GPIOs
  ARM: shmobile: r8a7779: Remove LBSC function GPIOs
  ARM: shmobile: r8a7779: Remove USB function GPIOs
  ARM: shmobile: r8a7779: Remove HSPI function GPIOs
  ARM: shmobile: r8a7779: Remove SCIF function GPIOs
  ARM: shmobile: r8a7779: Remove SDHI and MMCIF function GPIOs
  ARM: shmobile: r8a7779: Remove DU function GPIOs
  ARM: shmobile: r8a7779: Remove DU1_DOTCLKOUT1 GPIO
  ARM: shmobile: r8a7740: Remove SDHI and MMCIF function GPIOs
  ARM: shmobile: r8a7740: Remove LCD0 and LCD1 function GPIOs
  ARM: shmobile: sh73a0: Remove IrDA function GPIOs
  ARM: shmobile: sh73a0: Remove USB function GPIOs
  ARM: shmobile: sh73a0: Remove BSC function GPIOs
  ARM: shmobile: sh73a0: Remove KEYSC function GPIOs
  ARM: shmobile: sh73a0: Remove pull-up function GPIOS
  ARM: shmobile: sh73a0: Remove FSI function GPIOs
  ARM: shmobile: sh73a0: Remove I2C function GPIOs
  ARM: shmobile: sh73a0: Remove SCIFA and SCIFB function GPIOs
  ARM: shmobile: sh73a0: Remove LCDC and LCDC2 function GPIOs
  ARM: shmobile: sh7372: Remove SDHI and MMCIF function GPIOs
  ...
2013-05-04 12:32:41 -07:00
Linus Torvalds 6fa52ed33b ARM: arm-soc driver changes for 3.10
This is a rather large set of patches for device drivers that for one
 reason or another the subsystem maintainer preferred to get merged
 through the arm-soc tree. There are both new drivers as well as
 existing drivers that are getting converted from platform-specific
 code into standalone drivers using the appropriate subsystem
 specific interfaces.
 
 In particular, we can now have pinctrl, clk, clksource and irqchip
 drivers in one file per driver, without the need to call into
 platform specific interface, or to get called from platform specific
 code, as long as all information about the hardware is provided
 through a device tree.
 
 Most of the drivers we touch this time are for clocksource. Since
 now most of them are part of drivers/clocksource, I expect that we
 won't have to touch these again from arm-soc and can let the
 clocksource maintainers take care of these in the future.
 
 Another larger part of this series is specific to the exynos platform,
 which is seeing some significant effort in upstreaming and
 modernization of its device drivers this time around, which
 unfortunately is also the cause for the churn and a lot of the
 merge conflicts.
 
 There is one new subsystem that gets merged as part of this series:
 the reset controller interface, which is a very simple interface
 for taking devices on the SoC out of reset or back into reset.
 Patches to use this interface on i.MX follow later in this merge
 window, and we are going to have other platforms (at least tegra
 and sirf) get converted in 3.11. This will let us get rid of
 platform specific callbacks in a number of platform independent
 device drivers.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver changes from Olof Johansson:
 "This is a rather large set of patches for device drivers that for one
  reason or another the subsystem maintainer preferred to get merged
  through the arm-soc tree.  There are both new drivers as well as
  existing drivers that are getting converted from platform-specific
  code into standalone drivers using the appropriate subsystem specific
  interfaces.

  In particular, we can now have pinctrl, clk, clksource and irqchip
  drivers in one file per driver, without the need to call into platform
  specific interface, or to get called from platform specific code, as
  long as all information about the hardware is provided through a
  device tree.

  Most of the drivers we touch this time are for clocksource.  Since now
  most of them are part of drivers/clocksource, I expect that we won't
  have to touch these again from arm-soc and can let the clocksource
  maintainers take care of these in the future.

  Another larger part of this series is specific to the exynos platform,
  which is seeing some significant effort in upstreaming and
  modernization of its device drivers this time around, which
  unfortunately is also the cause for the churn and a lot of the merge
  conflicts.

  There is one new subsystem that gets merged as part of this series:
  the reset controller interface, which is a very simple interface for
  taking devices on the SoC out of reset or back into reset.  Patches to
  use this interface on i.MX follow later in this merge window, and we
  are going to have other platforms (at least tegra and sirf) get
  converted in 3.11.  This will let us get rid of platform specific
  callbacks in a number of platform independent device drivers."

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (256 commits)
  irqchip: s3c24xx: add missing __init annotations
  ARM: dts: Disable the RTC by default on exynos5
  clk: exynos5250: Fix parent clock for sclk_mmc{0,1,2,3}
  ARM: exynos: restore mach/regs-clock.h for exynos5
  clocksource: exynos_mct: fix build error on non-DT
  pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()
  irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure
  reset: NULL deref on allocation failure
  reset: Add reset controller API
  dt: describe base reset signal binding
  ARM: EXYNOS: Add arm-pmu DT binding for exynos421x
  ARM: EXYNOS: Add arm-pmu DT binding for exynos5250
  ARM: EXYNOS: Enable PMUs for exynos4
  irqchip: exynos-combiner: Correct combined IRQs for exynos4
  irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq
  ARM: EXYNOS: fix compilation error introduced due to common clock migration
  clk: exynos5250: Fix divider values for sclk_mmc{0,1,2,3}
  clk: exynos4: export clocks required for fimc-is
  clk: samsung: Fix compilation error
  clk: tegra: fix enum tegra114_clk to match binding
  ...
2013-05-04 12:31:18 -07:00