Commit Graph

535049 Commits

Author SHA1 Message Date
Mark Brown
48997b9c03 Merge remote-tracking branches 'asoc/topic/au1x', 'asoc/topic/bcm2835', 'asoc/topic/blackfin' and 'asoc/topic/card' into asoc-next 2015-08-30 15:52:41 +01:00
Mark Brown
21af109438 Merge remote-tracking branches 'asoc/topic/88pm860x', 'asoc/topic/ac97', 'asoc/topic/ak4542', 'asoc/topic/arizona' and 'asoc/topic/atmel' into asoc-next 2015-08-30 15:52:21 +01:00
Mark Brown
28becbd59c Merge remote-tracking branch 'asoc/topic/ssm4567' into asoc-next 2015-08-30 15:52:16 +01:00
Mark Brown
cb42e0f709 Merge remote-tracking branch 'asoc/topic/rt5645' into asoc-next 2015-08-30 15:52:12 +01:00
Mark Brown
ca945cf9fb Merge remote-tracking branch 'asoc/topic/pcm1681' into asoc-next 2015-08-30 15:52:08 +01:00
Mark Brown
4253f3a8f4 Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next 2015-08-30 15:51:57 +01:00
Mark Brown
24ecc23cf6 Merge remote-tracking branch 'asoc/topic/core' into asoc-next 2015-08-30 15:51:52 +01:00
Mark Brown
a1780653b9 Merge remote-tracking branches 'asoc/fix/adav80x', 'asoc/fix/arizona', 'asoc/fix/max98090', 'asoc/fix/rt5640', 'asoc/fix/samsung' and 'asoc/fix/wm8994' into asoc-linus 2015-08-30 15:51:20 +01:00
Mark Brown
19315532b6 Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-linus 2015-08-30 15:51:15 +01:00
Axel Lin
fd63542fc5 ASoC: au1x: psc-i2s: Convert to use devm_ioremap_resource
Use devm_ioremap_resource() instead of open code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-30 12:15:36 +01:00
Axel Lin
c4d2ab0d59 ASoC: blackfin: Convert to devm_snd_soc_register_platform
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-28 17:52:43 +01:00
Axel Lin
edd98a1a2d ASoC: au1x: Convert to devm_snd_soc_register_platform
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-28 17:52:28 +01:00
Luis de Bethencourt
054bc835d2 ASoC: bcm2835-i2s: Fix module autoload for OF platform drivers
These platform drivers have a OF device ID table but the OF module
alias information is not created so module autoloading won't work.

Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-27 20:22:47 +01:00
Oder Chiou
f2988afedf ASoC: rt5645: Prevent the pop sound of the headphone while rebooting or shutdowning
Add i2c shutdown function to prevent the pop sound of the headphone while
the system is rebooting or shutdowning. It de-initials the jack detection
function, and it cannot be turned off in _BIAS_OFF. If we don't de-initial
it, the pop sound will be heard in the situation of powering off. And
replace the related register settings from magic number to meaningful
defined name.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-27 20:17:40 +01:00
Charles Keepax
0e76597128 ASoC: arizona: Poll for FLL clock OK rather than use interrupts
The extcon driver takes the DAPM mutex from within the interrupt thread
in several places, which makes it possible to get into a situation where
the interrupt thread is blocked waiting on the DAPM mutex whilst a DAPM
sequence is running which is attempting to configure the FLL. In this
case the FLL completion can't be completed as as the IRQ handler is
ONE_SHOT, which cause the FLL lock to use the full time out (250mS) and
report that the process timed out.

It is not really practical to make the extcon driver not take the DAPM
mutex from within the interrupt thread, at least not without extensive
modification. So this patch fixes the issue by switching the wait for
the FLL lock to polling. A few fast polls are done first as the FLL
should lock quickly for a good quality reference clock, (indeed it hits
on the first poll on my system) and it will poll every 20mS after that
until it times out.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-08-25 19:10:52 +01:00
Oder Chiou
c1713485f9 ASoC: rt5645: Add struct dmi_system_id "Google Celes" for chrome platform
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-08-25 19:09:59 +01:00
Oder Chiou
b1d42598cb ASoC: rt5645: Add the register RT5645_CHARGE_PUMP to readable check function
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-25 18:59:47 +01:00
Oder Chiou
4aed4c9efb ASoC: rt5645: Remove the incorrect setting of the JD mode
The patch removes the incorrect setting of the JD mode. It will cause pop
sound in the booting time.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-25 18:59:47 +01:00
Oder Chiou
8db7f56ddf ASoC: rt5645: Modify the jack detection function to prevent the pop sound while the jack plug in
The patch corrects the sequence of the jack detection. It will prevent the
pop sound while the jack plug in.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-25 18:59:47 +01:00
Oder Chiou
588cd850f5 ASoC: rt5645: Modify the headphone depop and calibration function to prevent the pop sound in the booting time
Remove the original calibration function and modify the depop and
calibration function to prevent the pop sound in the booting time.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-25 18:59:47 +01:00
Linus Torvalds
c13dcf9f2d Linux 4.2-rc8 2015-08-23 20:52:59 -07:00
Linus Torvalds
d683477020 SCSI fixes on 20150823
A couple of major (hang and deadlock) fixes with fortunately fairly rare
 triggering conditions.  The PM oops is only really triggered by people using
 enclosure services (rare) and the fnic driver is mostly used in enterprise
 environments.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "A couple of major (hang and deadlock) fixes with fortunately fairly
  rare triggering conditions.  The PM oops is only really triggered by
  people using enclosure services (rare) and the fnic driver is mostly
  used in enterprise environments"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  SCSI: Fix NULL pointer dereference in runtime PM
  fnic: Use the local variable instead of I/O flag to acquire io_req_lock in fnic_queuecommand() to avoid deadloack
2015-08-23 20:46:22 -07:00
Linus Torvalds
eb63b34bdf Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS bug fixes from Ralf Baechle:
 "Two more fixes for 4.2.

  One fixes a build issue with the LLVM assembler - LLVM assembler macro
  names are case sensitive, GNU as macro names are insensitive; the
  other corrects a license string (GPL v2, not GPLv2) such that the
  module loader will recognice the license correctly"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  FIRMWARE: bcm47xx_nvram: Fix module license.
  MIPS: Fix LLVM build issue.
2015-08-23 07:23:09 -07:00
Linus Torvalds
c4c53bad40 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull 9p regression fix from Al Viro:
 "Fix for breakage introduced when switching p9_client_{read,write}() to
  struct iov_iter * (went into 4.1)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  9p: ensure err is initialized to 0 in p9_client_read/write
2015-08-22 20:22:11 -07:00
Vincent Bernat
999b8b88c6 9p: ensure err is initialized to 0 in p9_client_read/write
Some use of those functions were providing unitialized values to those
functions. Notably, when reading 0 bytes from an empty file on a 9P
filesystem, the return code of read() was not 0.

Tested with this simple program:

    #include <assert.h>
    #include <sys/types.h>
    #include <sys/stat.h>
    #include <fcntl.h>
    #include <unistd.h>

    int main(int argc, const char **argv)
    {
        assert(argc == 2);
        char buffer[256];
        int fd = open(argv[1], O_RDONLY|O_NOCTTY);
        assert(fd >= 0);
        assert(read(fd, buffer, 0) == 0);
        return 0;
    }

Cc: stable@vger.kernel.org # v4.1
Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-08-22 21:35:02 -04:00
Linus Torvalds
b7dec838b5 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another couple of small ARM fixes.

  A patch from Masahiro Yamada who noticed that "make -jN all zImage"
  would end up generating bad images where N > 1, and a patch from
  Nicolas to fix the Marvell CPU user access optimisation code when page
  faults are disabled"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8418/1: add boot image dependencies to not generate invalid images
  ARM: 8414/1: __copy_to_user_memcpy: fix mmap semaphore usage
2015-08-22 15:48:04 -07:00
Linus Torvalds
d0b89bd548 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Various low level fixes: fix more fallout from the FPU rework and the
  asm entry code rework, plus an MSI rework fix, and an idle-tracing fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu/math-emu: Fix crash in fork()
  x86/fpu/math-emu: Fix math-emu boot crash
  x86/idle: Restore trace_cpu_idle to mwait_idle() calls
  x86/irq: Build correct vector mapping for multiple MSI interrupts
  Revert "sched/x86_64: Don't save flags on context switch"
2015-08-22 08:15:36 -07:00
Linus Torvalds
c3a0651422 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Tooling fixes: a 'perf record' deadlock fix plus debuggability fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf top: Show backtrace when handling a SIGSEGV on --stdio mode
  perf tools: Fix buildid processing
  perf tools: Make fork event processing more resilient
  perf tools: Avoid deadlock when map_groups are broken
2015-08-22 08:06:28 -07:00
Linus Torvalds
84f3fe4608 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "A series of small fixlets for a regression visible on OMAP devices
  caused by the conversion of the OMAP interrupt chips to hierarchical
  interrupt domains.  Mostly one liners on the driver side plus a small
  helper function in the core to avoid open coded mess in the drivers"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/crossbar: Restore set_wake functionality
  irqchip/crossbar: Restore the mask on suspend behaviour
  ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanism
  irqchip/crossbar: Restore the irq_set_type() mechanism
  genirq: Introduce irq_chip_set_type_parent() helper
  genirq: Don't return ENOSYS in irq_chip_retrigger_hierarchy
2015-08-22 07:45:36 -07:00
Linus Torvalds
f8a89fc05a Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "Two minimalistic fixes for 4.2 regressions:

   - Eric fixed a thinko in the timer_list base switching code caused by
     the overhaul of the timer wheel.  It can cause a cpu to see the
     wrong base for a timer while we move the timer around.

   - Guenter fixed a regression for IMX if booted w/o device tree, where
     the timer interrupt is not initialized and therefor the machine
     fails to boot"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/imx: Fix boot with non-DT systems
  timer: Write timer->flags atomically
2015-08-22 07:37:41 -07:00
Ingo Molnar
827409b2f5 x86/fpu/math-emu: Fix crash in fork()
During later stages of math-emu bootup the following crash triggers:

	 math_emulate: 0060:c100d0a8
	 Kernel panic - not syncing: Math emulation needed in kernel
	 CPU: 0 PID: 1511 Comm: login Not tainted 4.2.0-rc7+ #1012
	 [...]
	 Call Trace:
	  [<c181d50d>] dump_stack+0x41/0x52
	  [<c181c918>] panic+0x77/0x189
	  [<c1003530>] ? math_error+0x140/0x140
	  [<c164c2d7>] math_emulate+0xba7/0xbd0
	  [<c100d0a8>] ? fpu__copy+0x138/0x1c0
	  [<c1109c3c>] ? __alloc_pages_nodemask+0x12c/0x870
	  [<c136ac20>] ? proc_clear_tty+0x40/0x70
	  [<c136ac6e>] ? session_clear_tty+0x1e/0x30
	  [<c1003530>] ? math_error+0x140/0x140
	  [<c1003575>] do_device_not_available+0x45/0x70
	  [<c100d0a8>] ? fpu__copy+0x138/0x1c0
	  [<c18258e6>] error_code+0x5a/0x60
	  [<c1003530>] ? math_error+0x140/0x140
	  [<c100d0a8>] ? fpu__copy+0x138/0x1c0
	  [<c100c205>] arch_dup_task_struct+0x25/0x30
	  [<c1048cea>] copy_process.part.51+0xea/0x1480
	  [<c115a8e5>] ? dput+0x175/0x200
	  [<c136af70>] ? no_tty+0x30/0x30
	  [<c1157242>] ? do_vfs_ioctl+0x322/0x540
	  [<c104a21a>] _do_fork+0xca/0x340
	  [<c1057b06>] ? SyS_rt_sigaction+0x66/0x90
	  [<c104a557>] SyS_clone+0x27/0x30
	  [<c1824a80>] sysenter_do_call+0x12/0x12

The reason is the incorrect assumption in fpu_copy(), that FNSAVE
can be executed from math-emu kernels as well.

Don't try to copy the registers, the soft state will be copied
by fork anyway, so the child task inherits the parent task's
soft math state.

With this fix applied math-emu kernels boot up fine on modern
hardware and the 'no387 nofxsr' boot options.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Bobby Powers <bobbypowers@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-22 10:23:03 +02:00
Ingo Molnar
5fc960380e x86/fpu/math-emu: Fix math-emu boot crash
On a math-emu bootup the following crash occurs:

	Initializing CPU#0
	------------[ cut here ]------------
	kernel BUG at arch/x86/kernel/traps.c:779!
	invalid opcode: 0000 [#1] SMP
	[...]
	EIP is at do_device_not_available+0xe/0x70
	[...]
	Call Trace:
	 [<c18238e6>] error_code+0x5a/0x60
	 [<c1002bd0>] ? math_error+0x140/0x140
	 [<c100bbd9>] ? fpu__init_cpu+0x59/0xa0
	 [<c1012322>] cpu_init+0x202/0x330
	 [<c104509f>] ? __native_set_fixmap+0x1f/0x30
	 [<c1b56ab0>] trap_init+0x305/0x346
	 [<c1b548af>] start_kernel+0x1a5/0x35d
	 [<c1b542b4>] i386_start_kernel+0x82/0x86

The reason is that in the following commit:

  b1276c48e9 ("x86/fpu: Initialize fpregs in fpu__init_cpu_generic()")

I failed to consider math-emu's limitation that it cannot execute the
FNINIT instruction in kernel mode.

The long term fix might be to allow math-emu to execute (certain) kernel
mode FPU instructions, but for now apply the safe (albeit somewhat ugly)
fix: initialize the emulation state explicitly without trapping out to
the FPU emulator.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-22 10:02:04 +02:00
Christoph Hellwig
e525293d97 Add hch to .get_maintainer.ignore
While the idea behind get_maintainer seems highly useful it's
unfortunately way to trigger happy to grab people that once had a few
commits to files.  For someone like me who does a lot of tree-wide API
work that leads to an incredible amount of Cc spam.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-08-21 14:30:10 -07:00
Michal Hocko
2f064f3485 mm: make page pfmemalloc check more robust
Commit c48a11c7ad ("netvm: propagate page->pfmemalloc to skb") added
checks for page->pfmemalloc to __skb_fill_page_desc():

        if (page->pfmemalloc && !page->mapping)
                skb->pfmemalloc = true;

It assumes page->mapping == NULL implies that page->pfmemalloc can be
trusted.  However, __delete_from_page_cache() can set set page->mapping
to NULL and leave page->index value alone.  Due to being in union, a
non-zero page->index will be interpreted as true page->pfmemalloc.

So the assumption is invalid if the networking code can see such a page.
And it seems it can.  We have encountered this with a NFS over loopback
setup when such a page is attached to a new skbuf.  There is no copying
going on in this case so the page confuses __skb_fill_page_desc which
interprets the index as pfmemalloc flag and the network stack drops
packets that have been allocated using the reserves unless they are to
be queued on sockets handling the swapping which is the case here and
that leads to hangs when the nfs client waits for a response from the
server which has been dropped and thus never arrive.

The struct page is already heavily packed so rather than finding another
hole to put it in, let's do a trick instead.  We can reuse the index
again but define it to an impossible value (-1UL).  This is the page
index so it should never see the value that large.  Replace all direct
users of page->pfmemalloc by page_is_pfmemalloc which will hide this
nastiness from unspoiled eyes.

The information will get lost if somebody wants to use page->index
obviously but that was the case before and the original code expected
that the information should be persisted somewhere else if that is
really needed (e.g.  what SLAB and SLUB do).

[akpm@linux-foundation.org: fix blooper in slub]
Fixes: c48a11c7ad ("netvm: propagate page->pfmemalloc to skb")
Signed-off-by: Michal Hocko <mhocko@suse.com>
Debugged-by: Vlastimil Babka <vbabka@suse.com>
Debugged-by: Jiri Bohac <jbohac@suse.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: <stable@vger.kernel.org>	[3.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-08-21 14:30:10 -07:00
Linus Torvalds
e45fc85a2f PCI updates for v4.2:
Resource management
     - Don't use 64-bit bus addresses on PA-RISC
 
   Miscellaneous
     - Tolerate hierarchies with no Root Port
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Merge tag 'pci-v4.2-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These are fixes for ASPM-related NULL pointer dereference crashes on
  Sparc and PowerPC and 64-bit PCI address-related HPMC crashes on
  PA-RISC.  These are both caused by things we merged in the v4.2 merge
  window.  Details:

  Resource management
    - Don't use 64-bit bus addresses on PA-RISC

  Miscellaneous
    - Tolerate hierarchies with no Root Port"

* tag 'pci-v4.2-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Don't use 64-bit bus addresses on PA-RISC
  PCI: Tolerate hierarchies with no Root Port
2015-08-21 11:18:10 -07:00
Linus Torvalds
00f7641046 media fixes for v4.2-rc8
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Merge tag 'media/v4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - a regression fix at the videobuf2 core driver

 - fix error handling at mantis probing code

 - revert the IR encode patches, as the API is not mature enough.
   So, better to postpone the changes to a latter Kernel

 - fix Kconfig breakages on some randconfig scenarios.

* tag 'media/v4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] mantis: Fix error handling in mantis_dma_init()
  Revert "[media] rc: rc-ir-raw: Add scancode encoder callback"
  Revert "[media] rc: rc-ir-raw: Add Manchester encoder (phase encoder) helper"
  Revert "[media] rc: ir-rc5-decoder: Add encode capability"
  Revert "[media] rc: ir-rc6-decoder: Add encode capability"
  Revert "[media] rc: rc-core: Add support for encode_wakeup drivers"
  Revert "[media] rc: rc-loopback: Add loopback of filter scancodes"
  Revert "[media] rc: nuvoton-cir: Add support for writing wakeup samples via sysfs filter callback"
  [media] vb2: Fix compilation breakage when !CONFIG_BUG
  [media] vb2: Only requeue buffers immediately once streaming is started
  [media] media/pci/cobalt: fix Kconfig and build when SND is not enabled
  [media] media/dvb: fix ts2020.c Kconfig and build
2015-08-21 11:03:06 -07:00
Linus Torvalds
7e08117de6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fix from Dmitry Torokhov:
 "A small fixup to gpio_keys_polled driver"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: gpio_keys_polled - request GPIO pin as input.
2015-08-21 10:54:53 -07:00
Linus Torvalds
dc9c12f46f Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "A bunch of i915 fixes, one revert a VBT fix that was a bit premature,
  and some braswell feature removal that the hw actually didn't support.

  One radeon race fix at boot, and one hlcdc build fix, one fix from
  Russell that fixes build as well with new audio features.

  This is hopefully all I have until -next"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: fix hotplug race at startup
  drm/edid: add function to help find SADs
  drm/i915: Avoid TP3 on CHV
  drm/i915: remove HBR2 from chv supported list
  Revert "drm/i915: Add eDP intermediate frequencies for CHV"
  Revert "drm/i915: Allow parsing of variable size child device entries from VBT"
  drm/atmel-hlcdc: Compile suspend/resume for PM_SLEEP only
  drm/i915: Flag the execlists context object as dirty after every use
2015-08-21 10:46:56 -07:00
Axel Lin
54d8697fa5 ASoC: Set missing card owner field
Set the card owner field to prevent the module from being removed from
underneath its users.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-21 09:07:19 -07:00
Dave Airlie
7f98ca454a drm/radeon: fix hotplug race at startup
We apparantly get a hotplug irq before we've initialised
modesetting,

[drm] Loading R100 Microcode
BUG: unable to handle kernel NULL pointer dereference at   (null)
IP: [<c125f56f>] __mutex_lock_slowpath+0x23/0x91
*pde = 00000000
Oops: 0002 [#1]
Modules linked in: radeon(+) drm_kms_helper ttm drm i2c_algo_bit backlight pcspkr psmouse evdev sr_mod input_leds led_class cdrom sg parport_pc parport floppy intel_agp intel_gtt lpc_ich acpi_cpufreq processor button mfd_core agpgart uhci_hcd ehci_hcd rng_core snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm usbcore usb_common i2c_i801 i2c_core snd_timer snd soundcore thermal_sys
CPU: 0 PID: 15 Comm: kworker/0:1 Not tainted 4.2.0-rc7-00015-gbf67402 #111
Hardware name: MicroLink                               /D850MV                         , BIOS MV85010A.86A.0067.P24.0304081124 04/08/2003
Workqueue: events radeon_hotplug_work_func [radeon]
task: f6ca5900 ti: f6d3e000 task.ti: f6d3e000
EIP: 0060:[<c125f56f>] EFLAGS: 00010282 CPU: 0
EIP is at __mutex_lock_slowpath+0x23/0x91
EAX: 00000000 EBX: f5e900fc ECX: 00000000 EDX: fffffffe
ESI: f6ca5900 EDI: f5e90100 EBP: f5e90000 ESP: f6d3ff0c
 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
CR0: 8005003b CR2: 00000000 CR3: 36f61000 CR4: 000006d0
Stack:
 f5e90100 00000000 c103c4c1 f6d2a5a0 f5e900fc f6df394c c125f162 f8b0faca
 f6d2a5a0 c138ca00 f6df394c f7395600 c1034741 00d40000 00000000 f6d2a5a0
 c138ca00 f6d2a5b8 c138ca10 c1034b58 00000001 f6d40000 f6ca5900 f6d0c940
Call Trace:
 [<c103c4c1>] ? dequeue_task_fair+0xa4/0xb7
 [<c125f162>] ? mutex_lock+0x9/0xa
 [<f8b0faca>] ? radeon_hotplug_work_func+0x17/0x57 [radeon]
 [<c1034741>] ? process_one_work+0xfc/0x194
 [<c1034b58>] ? worker_thread+0x18d/0x218
 [<c10349cb>] ? rescuer_thread+0x1d5/0x1d5
 [<c103742a>] ? kthread+0x7b/0x80
 [<c12601c0>] ? ret_from_kernel_thread+0x20/0x30
 [<c10373af>] ? init_completion+0x18/0x18
Code: 42 08 e8 8e a6 dd ff c3 57 56 53 83 ec 0c 8b 35 48 f7 37 c1 8b 10 4a 74 1a 89 c3 8d 78 04 8b 40 08 89 63

Reported-and-Tested-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-08-21 19:43:18 +10:00
Dave Airlie
bef7d1961c Merge tag 'drm-intel-fixes-2015-08-20' of git://anongit.freedesktop.org/drm-intel into drm-fixes
Revert of a VBT parsing commit that should've been queued for drm-next,
not v4.2. The revert unbreaks Braswell among other things.

Also on Braswell removal of DP HBR2/TP3 and intermediate eDP frequency
support. The code was optimistically added based on incorrect
documentation; the platform does not support them. These are cc: stable.

Finally a gpu state fix from Chris, also cc: stable.

* tag 'drm-intel-fixes-2015-08-20' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Avoid TP3 on CHV
  drm/i915: remove HBR2 from chv supported list
  Revert "drm/i915: Add eDP intermediate frequencies for CHV"
  Revert "drm/i915: Allow parsing of variable size child device entries from VBT"
  drm/i915: Flag the execlists context object as dirty after every use
2015-08-21 10:44:03 +10:00
Linus Torvalds
0bad90985d Power management and ACPI fixes for v4.2-rc8
- Fix a recently introduced issue in the ACPI backlight code which
    causes lockdep to complain about a circular lock dependency during
    initialization (Hans de Goede).
 
  - Fix a possible memory during initialization in the Exynos cpufreq
    driver (Shailendra Verma).
 
 /
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Merge tag 'pm+acpi-4.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "These fix a recent regression in the ACPI backlight code and a memory
  leak in the Exynos cpufreq driver.

  Specifics:

   - Fix a recently introduced issue in the ACPI backlight code which
     causes lockdep to complain about a circular lock dependency during
     initialization (Hans de Goede).

   - Fix a possible memory during initialization in the Exynos cpufreq
     driver (Shailendra Verma)"

* tag 'pm+acpi-4.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: exynos: Fix for memory leak in case SoC name does not match
  ACPI / video: Fix circular lock dependency issue in the video-detect code
2015-08-20 17:06:11 -07:00
Rafael J. Wysocki
b8a1171f71 Merge branches 'acpi-video' and 'cpufreq-fixes'
* acpi-video:
  ACPI / video: Fix circular lock dependency issue in the video-detect code

* cpufreq-fixes:
  cpufreq: exynos: Fix for memory leak in case SoC name does not match
2015-08-21 00:19:29 +02:00
Bjorn Helgaas
45ea2a5fed PCI: Don't use 64-bit bus addresses on PA-RISC
Meelis and Helge reported that 3a9ad0b4fd ("PCI: Add pci_bus_addr_t")
caused HPMCs on A500 and hangs on rp5470.

PA-RISC does not set ARCH_DMA_ADDR_T_64BIT, even for 64-bit kernels, so
prior to 3a9ad0b4fd, we always used 32-bit PCI addresses.  After
3a9ad0b4fd, we do use 64-bit PCI addresses in 64-bit kernels, and
apparently there's some PA-RISC problem related to them.

Fixes: 3a9ad0b4fd ("PCI: Add pci_bus_addr_t")
Link: http://lkml.kernel.org/r/alpine.LRH.2.11.1507260929000.30065@math.ut.ee
Reported-by: Meelis Roos <mroos@linux.ee>
Reported-by: Helge Deller <deller@gmx.de>
Tested-by: Helge Deller <deller@gmx.de>
Based-on-idea-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
CC: stable@vger.kernel.org	# v3.19+
2015-08-20 17:16:37 -05:00
Jisheng Zhang
e43d0189ac x86/idle: Restore trace_cpu_idle to mwait_idle() calls
Commit b253149b84 ("sched/idle/x86: Restore mwait_idle() to fix boot
hangs, to improve power savings and to improve performance") restores
mwait_idle(), but the trace_cpu_idle related calls are missing. This
causes powertop on my old desktop powered by Intel Core2 E6550 to
report zero wakeups and zero events.

Add them back to restore the proper behaviour.

Fixes: b253149b84 ("sched/idle/x86: Restore mwait_idle() to ...")
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Cc: <len.brown@intel.com>
Cc: stable@vger.kernel.org # 4.1
Link: http://lkml.kernel.org/r/1440046479-4262-1-git-send-email-jszhang@marvell.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20 21:37:45 +02:00
Linus Torvalds
28e55d0723 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Out of bounds array access in 802.11 minstrel code, from Adrien
    Schildknecht.

 2) Don't use skb_get() in IGMP/MLD code paths, as this makes
    pskb_may_pull() BUG.  From Linus Luessing.

 3) Fix off by one in ipv4 route dumping code, from Andy Whitcroft.

 4) Fix deadlock in reqsk_queue_unlink(), from Eric Dumazet.

 5) Fix ppp device deregistration wrt.  netns deletion, from Guillaume
    Nault.

 6) Fix deadlock when creating per-cpu ipv6 routes, from Martin KaFai
    Lau.

 7) Fix memory leak in batman-adv code, from Sven Eckelmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  batman-adv: Fix memory leak on tt add with invalid vlan
  net: phy: fix semicolon.cocci warnings
  net: qmi_wwan: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
  be2net: avoid vxlan offloading on multichannel configs
  ipv6: Fix a potential deadlock when creating pcpu rt
  ipv6: Add rt6_make_pcpu_route()
  ipv6: Remove un-used argument from ip6_dst_alloc()
  net: phy: workaround for buggy cable detection by LAN8700 after cable plugging
  net: ethernet: micrel: fix an error code
  ppp: fix device unregistration upon netns deletion
  net: phy: fix PHY_RUNNING in phy_state_machine
  Revert "net: limit tcp/udp rmem/wmem to SOCK_{RCV,SND}BUF_MIN"
  inet: fix potential deadlock in reqsk_queue_unlink()
  gianfar: Restore link state settings after MAC reset
  ipv4: off-by-one in continuation handling in /proc/net/route
  net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code
  mac80211: fix invalid read in minstrel_sort_best_tp_rates()
2015-08-20 12:32:28 -07:00
Linus Torvalds
3d3e66ba2c xen: build fix for 4.2-rc7
- Fix i386 build with an (uncommon) configuration
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Merge tag 'for-linus-4.2-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen build fix from David Vrabel:
 "Fix i386 build with an (uncommon) configuration"

* tag 'for-linus-4.2-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/xen: make CONFIG_XEN depend on CONFIG_X86_LOCAL_APIC
2015-08-20 12:21:26 -07:00
Linus Torvalds
a971dbcab9 sound fixes for 4.2-final
Here are a small collecton of sound fix patches.  The most significant
 one is the disablement of newly introduced topology API.  Its ABI
 couldn't be stabilized enough, so we decided to delay for 4.3 in the
 end.  Other than that, all oneliner fixes: a USB-audio runtime PM fix
 and a couple of HD-audio quirks.
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Merge tag 'sound-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are a small collecton of sound fix patches.

  The most significant one is the disablement of newly introduced
  topology API.  Its ABI couldn't be stabilized enough, so we decided to
  delay for 4.3 in the end.  Other than that, all oneliner fixes: a
  USB-audio runtime PM fix and a couple of HD-audio quirks"

* tag 'sound-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Add dock support for Thinkpad W541 (17aa:2211)
  ALSA: usb-audio: Fix runtime PM unbalance
  ASoC: topology: Disable use from userspace
  ASoC: topology: Add Kconfig option for topology
  ALSA: hda - Fix the white noise on Dell laptop
2015-08-20 12:08:38 -07:00
Vincent Pelletier
1ae5ddb6f8 Input: gpio_keys_polled - request GPIO pin as input.
GPIOF_IN flag was lost in:
Commit 633a21d80b4a("input: gpio_keys_polled: Add support for GPIO
descriptors").

Without this flag, legacy code path (for non-descriptor GPIO declarations)
would configure GPIO as output (0 meaning GPIOF_DIR_OUT | GPIOF_INIT_LOW).

Cc: stable@vger.kernel.org
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-08-20 12:07:37 -07:00
Linus Torvalds
3243f50b0c Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "This contains a v4.2-rc specific RCU module unload regression bug-fix,
  a long-standing iscsi-target bug-fix for duplicate target_xfer_tags
  during NOP processing from Alexei, and two more small REPORT_LUNs
  emulation related patches to make Solaris FC host LUN scanning happy
  from Roland.

  There is also one patch not included that allows target-core to limit
  the number of fabric driver SGLs per I/O request using residuals, that
  is currently required as a work-around for FC hosts which don't honor
  EVPD block-limits settings.  At this point, it will most likely become
  for-next material"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  target: Fix handling of small allocation lengths in REPORT LUNS
  target: REPORT LUNS should return LUN 0 even for dynamic ACLs
  target/iscsi: Fix double free of a TUR followed by a solicited NOPOUT
  target: Perform RCU callback barrier before backend/fabric unload
2015-08-20 11:39:11 -07:00