Commit graph

411836 commits

Author SHA1 Message Date
Jingoo Han
a2529ad9e5 drivers/iommu/omap-iopgtable.h: remove unneeded cast of void*
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:00 +09:00
Mauro Carvalho Chehab
72a0c55713 cris: media platform drivers: fix build
On cris arch, the functions below aren't defined:

  drivers/media/platform/sh_veu.c: In function 'sh_veu_reg_read':

  drivers/media/platform/sh_veu.c:228:2: error: implicit declaration of function 'ioread32' [-Werror=implicit-function-declaration]
  drivers/media/platform/sh_veu.c: In function 'sh_veu_reg_write':

  drivers/media/platform/sh_veu.c:234:2: error: implicit declaration of function 'iowrite32' [-Werror=implicit-function-declaration]
  drivers/media/platform/vsp1/vsp1.h: In function 'vsp1_read':
  drivers/media/platform/vsp1/vsp1.h:66:2: error: implicit declaration of function 'ioread32' [-Werror=implicit-function-declaration]
  drivers/media/platform/vsp1/vsp1.h: In function 'vsp1_write':
  drivers/media/platform/vsp1/vsp1.h:71:2: error: implicit declaration of function 'iowrite32' [-Werror=implicit-function-declaration]
  drivers/media/platform/vsp1/vsp1.h: In function 'vsp1_read':
  drivers/media/platform/vsp1/vsp1.h:66:2: error: implicit declaration of function 'ioread32' [-Werror=implicit-function-declaration]
  drivers/media/platform/vsp1/vsp1.h: In function 'vsp1_write':
  drivers/media/platform/vsp1/vsp1.h:71:2: error: implicit declaration of function 'iowrite32' [-Werror=implicit-function-declaration]
  drivers/media/platform/soc_camera/rcar_vin.c: In function 'rcar_vin_setup':
  drivers/media/platform/soc_camera/rcar_vin.c:284:3: error: implicit declaration of function 'iowrite32' [-Werror=implicit-function-declaration]

  drivers/media/platform/soc_camera/rcar_vin.c: In function 'rcar_vin_request_capture_stop':
  drivers/media/platform/soc_camera/rcar_vin.c:353:2: error: implicit declaration of function 'ioread32' [-Werror=implicit-function-declaration]

Yet, they're available, as CONFIG_GENERIC_IOMAP is defined.  What happens
is that asm/io.h was not including asm-generic/iomap.h.

Suggested-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:08:59 +09:00
Chen Gang
8d28df813e sh64: kernel: remove useless variable 'regs'
Remove useless variable 'regs' to avoid the related warnings (warning is
treated as error).

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:08:59 +09:00
Chen Gang
42b43341b0 sh64: kernel: use 'usp' instead of 'fn'
'fn' is not defined, according to the implementation copy_thread() in
'sh32', need use 'usp' instead of.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:08:59 +09:00
Tetsuo Handa
786235eeba kthread: make kthread_create() killable
Any user process callers of wait_for_completion() except global init
process might be chosen by the OOM killer while waiting for completion()
call by some other process which does memory allocation.  See
CVE-2012-4398 "kernel: request_module() OOM local DoS" can happen.

When such users are chosen by the OOM killer when they are waiting for
completion() in TASK_UNINTERRUPTIBLE, the system will be kept stressed
due to memory starvation because the OOM killer cannot kill such users.

kthread_create() is one of such users and this patch fixes the problem
for kthreadd by making kthread_create() killable - the same approach
used for fixing CVE-2012-4398.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:08:59 +09:00
Trond Myklebust
d07ba8422f SUNRPC: Avoid deep recursion in rpc_release_client
In cases where an rpc client has a parent hierarchy, then
rpc_free_client may end up calling rpc_release_client() on the
parent, thus recursing back into rpc_free_client. If the hierarchy
is deep enough, then we can get into situations where the stack
simply overflows.

The fix is to have rpc_release_client() loop so that it can take
care of the parent rpc client hierarchy without needing to
recurse.

Reported-by: Jeff Layton <jlayton@redhat.com>
Reported-by: Weston Andros Adamson <dros@netapp.com>
Reported-by: Bruce Fields <bfields@fieldses.org>
Link: http://lkml.kernel.org/r/2C73011F-0939-434C-9E4D-13A1EB1403D7@netapp.com
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2013-11-12 18:56:57 -05:00
David S. Miller
2b77933c28 sparc64: Move to 64-bit PGDs and PMDs.
To make the page tables compact, we were using 32-bit PGDs and PMDs.
We only had to support <= 43 bits of physical addresses so this was
quite feasible.

In order to support larger physical addresses we have to move to
64-bit PGDs and PMDs.

Most of the changes are straight-forward:

1) {pgd,pmd}_t --> unsigned long

2) Anything that tries to use plain "unsigned int" types with pgd/pmd
   values needs to be adjusted.  In particular things like "0U" become
   "0UL".

3) {PGDIR,PMD}_BITS decrease by one.

4) In the assembler page table walkers, use "ldxa" instead of "lduwa"
   and adjust the low bit masks to clear out the low 3 bits instead of
   just the low 2 bits during pgd/pmd address formation.

Also, use PTRS_PER_PGD and PTRS_PER_PMD in the sizing of the
swapper_{pg_dir,low_pmd_dir} arrays.

This patch does not try to take advantage of having 64-bits in the
PMDs to simplify the hugepage code, that will come in a subsequent
change.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-11-12 15:22:35 -08:00
David S. Miller
37b3a8ff3e sparc64: Move from 4MB to 8MB huge pages.
The impetus for this is that we would like to move to 64-bit PMDs and
PGDs, but that would result in only supporting a 42-bit address space
with the current page table layout.  It'd be nice to support at least
43-bits.

The reason we'd end up with only 42-bits after making PMDs and PGDs
64-bit is that we only use half-page sized PTE tables in order to make
PMDs line up to 4MB, the hardware huge page size we use.

So what we do here is we make huge pages 8MB, and fabricate them using
4MB hw TLB entries.

Facilitate this by providing a "REAL_HPAGE_SHIFT" which is used in
places that really need to operate on hardware 4MB pages.

Use full pages (512 entries) for PTE tables, and adjust PMD_SHIFT,
PGD_SHIFT, and the build time CPP test as needed.  Use a CPP test to
make sure REAL_HPAGE_SHIFT and the _PAGE_SZHUGE_* we use match up.

This makes the pgtable cache completely unused, so remove the code
managing it and the state used in mm_context_t.  Now we have less
spinlocks taken in the page table allocation path.

The technique we use to fabricate the 8MB pages is to transfer bit 22
from the missing virtual address into the PTEs physical address field.
That takes care of the transparent huge pages case.

For hugetlb, we fill things in at the PTE level and that code already
puts the sub huge page physical bits into the PTEs, based upon the
offset, so there is nothing special we need to do.  It all just works
out.

So, a small amount of complexity in the THP case, but this code is
about to get much simpler when we move the 64-bit PMDs as we can move
away from the fancy 32-bit huge PMD encoding and just put a real PTE
value in there.

With bug fixes and help from Bob Picco.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-11-12 15:22:34 -08:00
David S. Miller
b2d4383480 sparc64: Make PAGE_OFFSET variable.
Choose PAGE_OFFSET dynamically based upon cpu type.

Original UltraSPARC-I (spitfire) chips only supported a 44-bit
virtual address space.

Newer chips (T4 and later) support 52-bit virtual addresses
and up to 47-bits of physical memory space.

Therefore we have to adjust PAGE_SIZE dynamically based upon
the capabilities of the chip.

Note that this change alone does not allow us to support > 43-bit
physical memory, to do that we need to re-arrange our page table
support.  The current encodings of the pmd_t and pgd_t pointers
restricts us to "32 + 11" == 43 bits.

This change can waste quite a bit of memory for the various tables.
In particular, a future change should work to size and allocate
kern_linear_bitmap[] and sparc64_valid_addr_bitmap[] dynamically.
This isn't easy as we really cannot take a TLB miss when accessing
kern_linear_bitmap[].  We'd have to lock it into the TLB or similar.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
2013-11-12 15:22:34 -08:00
David S. Miller
f998c9c0d6 sparc64: Fix inconsistent max-physical-address defines.
Some parts of the code use '41' others use '42', make them
all use the same value.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
2013-11-12 15:22:34 -08:00
David S. Miller
bb7b435388 sparc64: Document the shift counts used to validate linear kernel addresses.
This way we can see exactly what they are derived from, and in particular
how they would change if we were to use a different PAGE_OFFSET value.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
2013-11-12 15:22:34 -08:00
David S. Miller
e0a45e3580 sparc64: Define PAGE_OFFSET in terms of physical address bits.
This makes clearer the implications for a given choosen
value.

Based upon patches by Bob Picco.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
2013-11-12 15:22:33 -08:00
David S. Miller
922631b988 sparc64: Use PAGE_OFFSET instead of a magic constant.
This pertains to all of the computations of the kernel fast
TLB miss xor values.

Based upon a patch by Bob Picco.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
2013-11-12 15:22:33 -08:00
David S. Miller
c920745e69 sparc64: Clean up 64-bit mmap exclusion defines.
Older UltraSPARC chips had an address space hole due to the MMU only
supporting 44-bit virtual addresses.

The top end of this hole also has the same value as the current
definition of PAGE_OFFSET, so this can be confusing.

Consolidate the defines for the userspace mmap exclusion range into
page_64.h and use them in sys_sparc_64.c and hugetlbpage.c

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
2013-11-12 15:22:33 -08:00
Thomas Renninger
11f918d3e2 x86/microcode/amd: Tone down printk(), don't treat a missing firmware file as an error
Do it the same way as done in microcode_intel.c: use pr_debug()
for missing firmware files.

There seem to be CPUs out there for which no microcode update
has been submitted to kernel-firmware repo yet resulting in
scary sounding error messages in dmesg:

  microcode: failed to load file amd-ucode/microcode_amd_fam16h.bin

Signed-off-by: Thomas Renninger <trenn@suse.de>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/1384274383-43510-1-git-send-email-trenn@suse.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-12 22:03:49 +01:00
Ingo Molnar
d969135aae perf/core improvements and fixes:
. Add summary only option to 'perf trace', suppressing the decoding of
   events, from David Ahern
 
 . 'perf trace --summary' formatting simplifications, from Pekka Emberg.
 
 . Beautify fifth argument of mmap() as fd, in 'perf trace', from Namhyung Kim.
 
 . Fix segfault on perf trace -i perf.data, from Namhyung Kim.
 
 . Fix segfault with --no-mmap-pages, from David Ahern.
 
 . Round mmap pages to power 2, from David Ahern.
 
 . Add direct access to dynamic arrays in libtraceevent, from Steven Rostedt.
 
 . Handle throttle events in 'object code reading' test, fix from Adrian Hunter.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

  * Add summary only option to 'perf trace', suppressing the decoding of
    events, from David Ahern

  * 'perf trace --summary' formatting simplifications, from Pekka Emberg.

  * Beautify fifth argument of mmap() as fd, in 'perf trace', from Namhyung Kim.

  * Fix segfault on perf trace -i perf.data, from Namhyung Kim.

  * Fix segfault with --no-mmap-pages, from David Ahern.

  * Round mmap pages to power 2, from David Ahern.

  * Add direct access to dynamic arrays in libtraceevent, from Steven Rostedt.

  * Handle throttle events in 'object code reading' test, fix from Adrian Hunter.

  * Prevent condition that all sort keys are elided, fix from Namhyung Kim.

  * Synthesize non-exec MMAP records when --data used, allowing the resolution of
    data addresses to symbols (global variables, etc).

  * Don't force a refresh during progress update in the TUI, greatly reducing
    startup costs, fix from Patrick Palka.

  * Fix sw clock event period test wrt not checking if using > max_sample_freq.

  * Code cleanups by David Ahern and Adrian Hunter.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-12 21:48:38 +01:00
Steven Rostedt
0497a9ebaf tools lib traceevent: Add direct access to dynamic arrays
Jiri Olsa was writing a plugin for the cfg80211_tx_mlme_mgmt trace
event, and was not able to get the implemented function working.
The event's print fmt looks like:

   "netdev:%s(%d), ftype:0x%.2x", REC->name, REC->ifindex,
            __le16_to_cpup((__le16 *)__get_dynamic_array(frame))

As there's no helper function for __le16_to_cpup(), Jiri was creating one
with a plugin. But unfortunately, it would not work even though he set
up the plugin correctly.

The problem is that the function parameters do not handle the helper
function "__get_dynamic_array()", and that passes in a NULL pointer.

Adding PRINT_DYNAMIC_ARRAY direct support to eval_num_arg() allows the
use of __get_dynamic_array() in function parameters.

Reported-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20131111160810.0ba9df7d@gandalf.local.home
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 17:23:44 -03:00
Jiri Slaby
5f01c98859 x86/dumpstack: Fix printk_address for direct addresses
Consider a kernel crash in a module, simulated the following way:

 static int my_init(void)
 {
         char *map = (void *)0x5;
         *map = 3;
         return 0;
 }
 module_init(my_init);

When we turn off FRAME_POINTERs, the very first instruction in
that function causes a BUG. The problem is that we print IP in
the BUG report using %pB (from printk_address). And %pB
decrements the pointer by one to fix printing addresses of
functions with tail calls.

This was added in commit 71f9e59800 ("x86, dumpstack: Use
%pB format specifier for stack trace") to fix the call stack
printouts.

So instead of correct output:

  BUG: unable to handle kernel NULL pointer dereference at 0000000000000005
  IP: [<ffffffffa01ac000>] my_init+0x0/0x10 [pb173]

We get:

  BUG: unable to handle kernel NULL pointer dereference at 0000000000000005
  IP: [<ffffffffa0152000>] 0xffffffffa0151fff

To fix that, we use %pS only for stack addresses printouts (via
newly added printk_stack_address) and %pB for regs->ip (via
printk_address). I.e. we revert to the old behaviour for all
except call stacks. And since from all those reliable is 1, we
remove that parameter from printk_address.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: joe@perches.com
Cc: jirislaby@gmail.com
Link: http://lkml.kernel.org/r/1382706418-8435-1-git-send-email-jslaby@suse.cz
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-12 21:06:06 +01:00
Arnaldo Carvalho de Melo
602ad878d4 perf target: Shorten perf_target__ to target__
Getting unwieldly long, for this app domain should be descriptive enough
and the use of __ to separate the class from the method names should
help with avoiding clashes with other code bases.

Reported-by: David Ahern <dsahern@gmail.com>
Suggested-by: Ingo Molnar <mingo@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20131112113427.GA4053@ghostprotocols.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 16:51:03 -03:00
Adrian Hunter
48095b721c perf tests: Handle throttle events in 'object code reading' test
Unhandled events cause an error that fails the test, fix it.

Reported-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/5281DFE5.3000909@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 16:37:54 -03:00
David Ahern
33c2dcfdfe perf evlist: Refactor mmap_pages parsing
Logic will be re-used for the out-pages argument for mmap based writes
in perf-record.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1384267617-3446-4-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 16:33:22 -03:00
David Ahern
9639837e95 perf evlist: Round mmap pages to power 2 - v2
Currently perf requires the -m / --mmap_pages option to be a power of 2.

To be more user friendly perf should automatically round this up to the
next power of 2.

Currently:
  $ perf record -m 3 -a -- sleep 1
  --mmap_pages/-m value must be a power of two.sleep: Terminated

With patch:
  $ perf record -m 3 -a -- sleep 1
  rounding mmap pages size to 16384 (4 pages)
  ...

v2: Add bytes units to rounding message per Ingo's request. Other
    suggestions (e.g., prefixing INFO) should be addressed by wrapping
    pr_info to catch all instances.

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1384267617-3446-3-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 16:31:53 -03:00
David Ahern
8973504be7 perf record: Fix segfault with --no-mmap-pages
Adrian reported a segfault when using --no-out-pages:

$ tools/perf/perf record -vv --no-out-pages uname
Segmentation fault (core dumped)

The same occurs with --no-mmap-pages. Fix by checking that str is
non-NULL before parsing it.

Signed-off-by: David Ahern <dsahern@gmail.com>
Reported-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1384267617-3446-2-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 16:30:54 -03:00
David Ahern
fd2eabaf16 perf trace: Add summary only option
Per request from Pekka make --summary a summary only option meaning do
not show the individual system calls. Add another option to see all
syscalls along with the summary. In addition use 's' and 'S' as
shortcuts for the options.

Requested-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: David Ahern <dsahern@gmail.com>
Tested-by: Pekka Enberg <penberg@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1384273875-3751-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 16:24:38 -03:00
Huang Shijie
885d71e583 mtd: gpmi: fix the NULL pointer
The imx23 board will check the fingerprint, so it will call the
mx23_check_transcription_stamp. This function will use @chip->buffers->databuf
as its buffer which is allocated in the nand_scan_tail().

Unfortunately, the mx23_check_transcription_stamp is called before the
nand_scan_tail(). So we will meet a NULL pointer bug:

--------------------------------------------------------------------
[    1.150000] NAND device: Manufacturer ID: 0xec, Chip ID: 0xd7 (Samsung NAND 4GiB 3,3V 8-bit), 4096MiB, page size: 4096, OOB size: 8
[    1.160000] Unable to handle kernel NULL pointer dereference at virtual address 000005d0
[    1.170000] pgd = c0004000
[    1.170000] [000005d0] *pgd=00000000
[    1.180000] Internal error: Oops: 5 [#1] ARM
[    1.180000] Modules linked in:
[    1.180000] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0 #89
[    1.180000] task: c7440000 ti: c743a000 task.ti: c743a000
[    1.180000] PC is at memcmp+0x10/0x54
[    1.180000] LR is at gpmi_nand_probe+0x42c/0x894
[    1.180000] pc : [<c025fcb0>]    lr : [<c02f6a68>]    psr: 20000053
[    1.180000] sp : c743be2c  ip : 600000d3  fp : ffffffff
[    1.180000] r10: 000005d0  r9 : c02f5f08  r8 : 00000000
[    1.180000] r7 : c75858a8  r6 : c75858a8  r5 : c7585b18  r4 : c7585800
[    1.180000] r3 : 000005d0  r2 : 00000004  r1 : c05c33e4  r0 : 000005d0
[    1.180000] Flags: nzCv  IRQs on  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
[    1.180000] Control: 0005317f  Table: 40004000  DAC: 00000017
[    1.180000] Process swapper (pid: 1, stack limit = 0xc743a1c0)
--------------------------------------------------------------------

This patch rearrange the init procedure:
   Set the NAND_SKIP_BBTSCAN to skip the nand scan firstly, and after we
   set the proper settings, we will call the chip->scan_bbt() manually.

Cc: stable@vger.kernel.org # 3.12
Signed-off-by: Huang Shijie <b32955@freescale.com>
Reported-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2013-11-12 10:17:57 -08:00
Mike Snitzer
7b6b2bc98c dm cache: resolve small nits and improve Documentation
Document passthrough mode, cache shrinking, and cache invalidation.
Also, use strcasecmp() and hlist_unhashed().

Reported-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2013-11-12 13:11:09 -05:00
Tristan Rice
e17f5d7667 HID: enable Mayflash USB Gamecube Adapter
This is a patch that adds the new Mayflash Gamecube Controller to USB adapter
(ID 1a34:f705 ACRUX) to the ACRUX driver (drivers/hid/hid-axff.c) with full
force feedback support.

Signed-off-by: Tristan Rice <rice@outerearth.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-11-12 19:06:23 +01:00
J. Bruce Fields
f06c3d2bb8 sunrpc: comment typo fix
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2013-11-12 11:42:10 -05:00
Pekka Enberg
99ff715054 perf trace: Simplify '--summary' output
The output of 'perf trace --summary' tries to be too cute with
formatting and makes it very hard to read.  Simplify it in the spirit of
"strace -c":

[penberg@localhost libtrading]$ perf trace -a --duration 10000 --summary -- sleep 1
^C
 Summary of events:

 dbus-daemon (555), 10 events, 0.0%, 0.000 msec

                                                    msec/call
   syscall            calls      min      avg      max stddev
   --------------- -------- -------- -------- -------- ------
   sendmsg                2    0.002    0.005    0.008  55.00
   recvmsg                2    0.002    0.003    0.005  44.00
   epoll_wait             1    0.000    0.000    0.000   0.00

 NetworkManager (667), 56 events, 0.0%, 0.000 msec

                                                    msec/call
   syscall            calls      min      avg      max stddev
   --------------- -------- -------- -------- -------- ------
   poll                   2    0.000    0.002    0.003 100.00
   sendmsg               10    0.004    0.007    0.016  15.41
   recvmsg               16    0.002    0.003    0.005   8.24

 zfs-fuse (669), 4 events, 0.0%, 0.000 msec

                                                    msec/call
   syscall            calls      min      avg      max stddev
   --------------- -------- -------- -------- -------- ------
   futex                  2    0.000    0.001    0.002 100.00

Signed-off-by: Pekka Enberg <penberg@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: http://lkml.kernel.org/r/1384267334-18953-1-git-send-email-penberg@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 13:00:38 -03:00
Pekka Enberg
7f7a4138c6 perf trace: Change syscall summary duration order
Switch duration order to minimum, average, maximum for the '--summary'
command line option because it's more natural to read.

Signed-off-by: Pekka Enberg <penberg@kernel.org>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: http://lkml.kernel.org/r/1384265410-12344-1-git-send-email-penberg@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 13:00:38 -03:00
Adrian Hunter
3fe2130523 perf tests: Compensate lower sample freq with longer test loop
Doesn't work for me:

./perf test -v 19
19: Test software clock events have valid period values    :
--- start ---
mmap size 528384B
mmap size 528384B
All (0) samples have period value of 1!
---- end ----
Test software clock events have valid period values: FAILED!

Compensate the lower freq introduced in 67c1e4a53b with a longer loop,

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/5281D3B8.2030104@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 13:00:37 -03:00
Namhyung Kim
003824e8c2 perf trace: Fix segfault on perf trace -i perf.data
When replaying a previous record session, it'll get a segfault since it
doesn't initialize raw_syscalls enter/exit tracepoint's evsel->priv for
caching the format fields.

So fix it by properly initializing sys_enter/exit evsels that comes from
reading the perf.data file header.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1384237500-22991-2-git-send-email-namhyung@kernel.org
[ Split the syscall tp field caching part in the previous patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 13:00:37 -03:00
Namhyung Kim
96695d4402 perf trace: Separate tp syscall field caching into init routine to be reused
We need to set this in evsels coming out of a perf.data file header, not
just for new ones created for live sessions.

So separate the code that caches the syscall entry/exit tracepoint
format fields into a new function that will be used in the next
changeset.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20131112115700.GC4053@ghostprotocols.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 13:00:36 -03:00
Namhyung Kim
73faab3a42 perf trace: Beautify fifth argument of mmap() as fd
The fifth argument of mmap syscall is fd and it often contains -1 as a
value for anon mappings.  Without this patch it doesn't show the file
name as well as it shows -1 as 4294967295.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1384237500-22991-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-12 13:00:23 -03:00
Charles Keepax
f4cdb6b493 ASoC: wm8997: Correct typo in ISRC mux routes
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-11-12 11:29:16 +00:00
Russell King
42cbe8271c Merge branches 'fixes', 'mmci' and 'sa11x0' into for-next 2013-11-12 10:59:08 +00:00
Russell King
df762eccba Merge branch 'devel-stable' into for-next
Conflicts:
	arch/arm/include/asm/atomic.h
	arch/arm/include/asm/hardirq.h
	arch/arm/kernel/smp.c
2013-11-12 10:58:59 +00:00
Russell King
ec1e20a02f Merge branch 'misc' into for-next 2013-11-12 10:58:27 +00:00
Takashi Iwai
468ac41304 ALSA: hda - Check keep_eapd_on before inv_eapd
We don't change the EAPD bit in set_pin_eapd() if keep_eapd_on flag is
set by the codec driver and enable is false.  But, we also apply the
flipping of enable value according to inv_eapd flag in the same
function, and this confused the former check, handled as if it's
turned ON.  The inverted EAPD check must be applied after keep_eapd_on
check, instead.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-12 11:36:00 +01:00
David Henningsson
5959a6bc11 ALSA: hda - Fix Line Out automute on Realtek multifunction jacks
In case there is both a multifunction headset jack and a Line Out
jack, automuting was not working properly from the Line Out jack.
This patch fixes that issue.

Cc: stable@vger.kernel.org (3.10+)
BugLink: https://bugs.launchpad.net/bugs/1250377
Tested-by: Cyrus Lien <cyrus.lien@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-12 11:35:31 +01:00
Linus Torvalds
10d0c9705e DeviceTree updates for 3.13. This is a bit larger pull request than
usual for this cycle with lots of clean-up.
 
 - Cross arch clean-up and consolidation of early DT scanning code.
 - Clean-up and removal of arch prom.h headers. Makes arch specific
   prom.h optional on all but Sparc.
 - Addition of interrupts-extended property for devices connected to
   multiple interrupt controllers.
 - Refactoring of DT interrupt parsing code in preparation for deferred
   probe of interrupts.
 - ARM cpu and cpu topology bindings documentation.
 - Various DT vendor binding documentation updates.
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Merge tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DeviceTree updates for 3.13.  This is a bit larger pull request than
  usual for this cycle with lots of clean-up.

   - Cross arch clean-up and consolidation of early DT scanning code.
   - Clean-up and removal of arch prom.h headers.  Makes arch specific
     prom.h optional on all but Sparc.
   - Addition of interrupts-extended property for devices connected to
     multiple interrupt controllers.
   - Refactoring of DT interrupt parsing code in preparation for
     deferred probe of interrupts.
   - ARM cpu and cpu topology bindings documentation.
   - Various DT vendor binding documentation updates"

* tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits)
  powerpc: add missing explicit OF includes for ppc
  dt/irq: add empty of_irq_count for !OF_IRQ
  dt: disable self-tests for !OF_IRQ
  of: irq: Fix interrupt-map entry matching
  MIPS: Netlogic: replace early_init_devtree() call
  of: Add Panasonic Corporation vendor prefix
  of: Add Chunghwa Picture Tubes Ltd. vendor prefix
  of: Add AU Optronics Corporation vendor prefix
  of/irq: Fix potential buffer overflow
  of/irq: Fix bug in interrupt parsing refactor.
  of: set dma_mask to point to coherent_dma_mask
  of: add vendor prefix for PHYTEC Messtechnik GmbH
  DT: sort vendor-prefixes.txt
  of: Add vendor prefix for Cadence
  of: Add empty for_each_available_child_of_node() macro definition
  arm/versatile: Fix versatile irq specifications.
  of/irq: create interrupts-extended property
  microblaze/pci: Drop PowerPC-ism from irq parsing
  of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
  of/irq: Use irq_of_parse_and_map()
  ...
2013-11-12 16:52:17 +09:00
Linus Torvalds
85b656cf15 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem changes from Bryan Wu:
 "LED subsystem updates for 3.13 are basically cleanup and also add a
  new driver for PCA9685"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
  leds: lp55xx: handle enable pin in driver
  leds-gpio: of: led should not be created if its status is disabled
  of: introduce of_get_available_child_count
  leds: Added driver for the NXP PCA9685 I2C chip
  leds: pwm: Remove redundant of_match_ptr
  leds: Include linux/of.h header
  leds: dac124s085: Remove redundant spi_set_drvdata
  leds: lp55xx: enable setting default trigger
  leds: blinkm: Remove redundant break
2013-11-12 16:27:42 +09:00
Linus Torvalds
2b684c073f The clock changes for 3.13 are an even mix of framework improvements &
bug fixes along with updates to existing clock drivers and the
 additional of new clock drivers.
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Merge tag 'clk-for-linus-3.13' of git://git.linaro.org/people/mturquette/linux

Pull clock framework changes from Mike Turquette:
 "The clock changes for 3.13 are an even mix of framework improvements &
  bug fixes along with updates to existing clock drivers and the
  additional of new clock drivers"

* tag 'clk-for-linus-3.13' of git://git.linaro.org/people/mturquette/linux:
  clk: new driver for efm32 SoC
  clk: of: helper for determining number of parent clocks
  clk/zynq: Fix possible memory leak
  clk: keystone: Build Keystone clock drivers
  clk: keystone: Add gate control clock driver
  clk: keystone: add Keystone PLL clock driver
  Documentation: Add documentation for APM X-Gene clock binding
  clk: arm64: Add DTS clock entry for APM X-Gene Storm SoC
  clk: Add APM X-Gene SoC clock driver
  clk: wm831x: get rid of the implementation of remove function
  clk: Correct lookup logic in clk_fetch_parent_index()
  clk: Use kcalloc() to allocate arrays
  clk: Add error handling to clk_fetch_parent_index()
2013-11-12 16:11:47 +09:00
Takashi Iwai
092f9cd16a ALSA: msnd: Avoid duplicated driver name
msnd_pinnacle.c is used for both snd-msnd-pinnacle and
snd-msnd-classic drivers, and both should have different driver
names.  Using the same driver name results in the sysfs warning for
duplicated entries like
 kobject: 'msnd-pinnacle.7' (cec33408): kobject_release, parent   (null) (delayed)
 kobject: 'msnd-pinnacle' (cecd4980): kobject_release, parent cf3ad9b0 (delayed)
 ------------[ cut here ]------------
 WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:486 sysfs_warn_dup+0x7d/0xa0()
 sysfs: cannot create duplicate filename '/bus/isa/drivers/msnd-pinnacle'
 ......

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-12 08:06:20 +01:00
Linus Torvalds
c2d3306991 GPIO bulk changes for the v3.13 development cycle
- Merged the GPIO descriptor API from Alexandre Courbot.
   This is a first step toward trying to get rid of the
   global GPIO numberspace for the future.
 
 - Add an API so that driver can flag that a certain GPIO
   line is being used by a irqchip backend for generating
   IRQs, so that we can enforce checks, like not allowing
   users to switch that line to an output at runtime, since
   this makes no sense. Implemented corresponding calls
   in a few select drivers.
 
 - ACPI GPIO cleanups, refactorings and switch to using the
   descriptor-based interface.
 
 - Support for the TPS80036 Palmas GPIO variant.
 
 - A new driver for the Broadcom Kona GPIO SoC IP block.
 
 - Device tree support for the PCF857x driver.
 
 - A set of ARM GPIO refactorings with the goal of getting
   rid of a bunch of custom GPIO implementations from the
   arch/arm/* tree:
 
   - Move the IOP GPIO driver to the GPIO subsystem and
     fix all users to use the gpiolib API for accessing
     GPIOs. Delete the old custom GPIO implementation.
 
   - Delete the unused custom PXA GPIO implemention.
 
   - Convert all users of the IXP4 custom GPIO
     implementation to use gpiolib and delete the custom
     implementation.
 
   - Delete the custom Gemini GPIO implementation, also
     completely unused.
 
 - Various cleanups and renamings.
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Merge tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 "Here is the bulk of GPIO changes for the v3.13 development cycle.

  I've got ACKs for the things that affect other subsystems (or it's my
  own subsystem, like pinctrl).  Most of that pertain to an attempt from
  my side to consolidate and get rid of custom GPIO implementations in
  the ARM tree.  I will continue doing this.

  The main change this time is the new GPIO descriptor API, background
  for this can be found in Corbet's summary from this january in LWN:

    http://lwn.net/Articles/533632/

  Summary:

   - Merged the GPIO descriptor API from Alexandre Courbot.  This is a
     first step toward trying to get rid of the global GPIO numberspace
     for the future.

   - Add an API so that driver can flag that a certain GPIO line is
     being used by a irqchip backend for generating IRQs, so that we can
     enforce checks, like not allowing users to switch that line to an
     output at runtime, since this makes no sense.  Implemented
     corresponding calls in a few select drivers.

   - ACPI GPIO cleanups, refactorings and switch to using the
     descriptor-based interface.

   - Support for the TPS80036 Palmas GPIO variant.

   - A new driver for the Broadcom Kona GPIO SoC IP block.

   - Device tree support for the PCF857x driver.

   - A set of ARM GPIO refactorings with the goal of getting rid of a
     bunch of custom GPIO implementations from the arch/arm/* tree:

     * Move the IOP GPIO driver to the GPIO subsystem and fix all users
       to use the gpiolib API for accessing GPIOs.  Delete the old
       custom GPIO implementation.

     * Delete the unused custom PXA GPIO implemention.

     * Convert all users of the IXP4 custom GPIO implementation to use
       gpiolib and delete the custom implementation.

     * Delete the custom Gemini GPIO implementation, also completely
       unused.

   - Various cleanups and renamings"

* tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
  gpio: gpio-mxs: Remove unneeded dt checks
  gpio: pl061: don't depend on CONFIG_ARM
  gpio: bcm-kona: add missing .owner to struct gpio_chip
  gpiolib: provide a declaration of seq_file in gpio/driver.h
  gpiolib: include gpio/consumer.h in of_gpio.h for desc_to_gpio()
  gpio: provide stubs for devres gpio functions
  gpiolib: devres: add missing headers
  gpiolib: make GPIO_DEVRES depend on GPIOLIB
  gpiolib: devres: fix devm_gpiod_get_index()
  gpiolib / ACPI: document the GPIO descriptor based interface
  gpiolib / ACPI: allow passing GPIOF_ACTIVE_LOW for GpioInt resources
  gpiolib / ACPI: add ACPI support for gpiod_get_index()
  gpiolib / ACPI: convert to gpiod interfaces
  gpiolib: add gpiod_get() and gpiod_put() functions
  gpiolib: port of_ functions to use gpiod
  gpiolib: export descriptor-based GPIO interface
  Fixup "MAINTAINERS: GPIO-INTEL-MID: add maintainer"
  gpio: bcm281xx: Don't print addresses of GPIO area in probe()
  gpio: tegra: use new gpio_lock_as_irq() API
  gpio: rcar: Include linux/of.h header
  ...
2013-11-12 15:50:46 +09:00
Linus Torvalds
8a5dc585d5 Main pin control pull request for the v3.13 cycle:
- Blackfin ADI pin control driver, we move yet another
   architecture under this subsystem umbrella.
 
 - Incremental updates to the Renesas Super-H PFC pin control
   driver. New subdriver for the r8a7791 SoC.
 
 - Non-linear GPIO ranges from the gpiolib side of things,
   this enabled simplified device tree bindings by referring
   entire groups of pins on some pin controller to act as
   back-end for a certain GPIO-chip driver.
 
 - Add the Abilis TB10x pin control driver used on the ARC
   architecture. Also the corresponding GPIO driver is merged
   through this tree, so the ARC has full support for pins
   and GPIOs after this.
 
 - Subdrivers for Freescale i.MX1, i.MX27 and i.MX50 pin
   controller instances. The i.MX1 and i.MX27 is an entirely
   new family (silicon) of controllers whereas i.MX50 is
   a variant of the previous supported controller.
 
 - Then the usual slew of fixes, cleanups and incremental
   updates.
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Merge tag 'pinctrl-for-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "Main pin control pull request for the v3.13 cycle.

  The changes hitting arch/blackfin are ACKed by the Blackfin
  maintainer, and the device tree bindings are ACKed to the extent
  possible by someone from the device tree maintainers group.

   - Blackfin ADI pin control driver, we move yet another architecture
     under this subsystem umbrella.

   - Incremental updates to the Renesas Super-H PFC pin control driver.
     New subdriver for the r8a7791 SoC.

   - Non-linear GPIO ranges from the gpiolib side of things, this
     enabled simplified device tree bindings by referring entire groups
     of pins on some pin controller to act as back-end for a certain
     GPIO-chip driver.

   - Add the Abilis TB10x pin control driver used on the ARC
     architecture.  Also the corresponding GPIO driver is merged through
     this tree, so the ARC has full support for pins and GPIOs after
     this.

   - Subdrivers for Freescale i.MX1, i.MX27 and i.MX50 pin controller
     instances.  The i.MX1 and i.MX27 is an entirely new family
     (silicon) of controllers whereas i.MX50 is a variant of the
     previous supported controller.

   - Then the usual slew of fixes, cleanups and incremental updates"

The ARC DT changes are apparently still pending, that hopefully gets
sorted out in a timely manner.

* tag 'pinctrl-for-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
  pinctrl: imx50: add pinctrl support code for the IMX50 SoC
  pinctrl: at91: copy define to driver
  pinctrl: remove minor dead code
  pinctrl: imx: fix using pin->input_val wrongly
  pinctrl: imx1: fix return value check in imx1_pinctrl_core_probe()
  gpio: tb10x: fix return value check in tb10x_gpio_probe()
  gpio: tb10x: use module_platform_driver to simplify the code
  pinctrl: imx27: imx27 pincontrol driver
  pinctrl: imx1 core driver
  pinctrl: sh-pfc: r8a7791 PFC support
  sh-pfc: r8a7778: Add CAN pin groups
  gpio: add TB10x GPIO driver
  pinctrl: at91: correct a few typos
  pinctrl: mvebu: remove redundant of_match_ptr
  pinctrl: tb10x: use module_platform_driver to simplify the code
  pinctrl: tb10x: fix the error handling in tb10x_pinctrl_probe()
  pinctrl: add documentation for pinctrl_get_group_pins()
  pinctrl: rockchip: emulate both edge triggered interrupts
  pinctrl: rockchip: add rk3188 specifics
  pinctrl: rockchip: remove redundant check
  ...
2013-11-12 15:40:03 +09:00
Linus Torvalds
eeab517b68 sound updates for 3.13-rc1
There are no too intrusive changes in this update batch.  The biggest
 LOC is found in the new DICE driver, and other small changes are
 scattered over the whole sound subtree (which is a common pattern).
 
 Below are highlights:
 
 - ALSA core:
   * Memory allocation support with genpool
   * Fix blocking in drain ioctl of compress_offload
 
 - HD-audio:
   * Improved AMD HDMI supports
   * Intel HDMI detection improvements
   * thinkpad_acpi mute-key integration
   * New PCI ID, New ALC255,285,293 codecs, CX20952
 
 - USB-audio:
   * New buffer size management
   * Clean up endpoint handling codes
 
 - ASoC:
   * Further work on the dmaengine helpers, including support for
     configuring the parameters for DMA by reading the capabilities of
     the DMA controller which removes some guesswork and magic numbers
     from drivers.
   * A refresh of the documentation.
   * Conversions of many drivers to direct regmap API usage in order to
     allow the ASoC level register I/O code to be removed, this will
     hopefully be completed by v3.14.
   * Support for using async register I/O in DAPM, reducing the time
     taken to implement power transitions on systems that support it.
 
 - Fireiwre: DICE driver
 
 - Lots of small fixes for bugs reported by Coverity
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Merge tag 'sound-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There are no too intrusive changes in this update batch.  The biggest
  LOC is found in the new DICE driver, and other small changes are
  scattered over the whole sound subtree (which is a common pattern).

  Below are highlights:

   - ALSA core:
     * Memory allocation support with genpool
     * Fix blocking in drain ioctl of compress_offload

   - HD-audio:
     * Improved AMD HDMI supports
     * Intel HDMI detection improvements
     * thinkpad_acpi mute-key integration
     * New PCI ID, New ALC255,285,293 codecs, CX20952

   - USB-audio:
     * New buffer size management
     * Clean up endpoint handling codes

   - ASoC:
     * Further work on the dmaengine helpers, including support for
       configuring the parameters for DMA by reading the capabilities of
       the DMA controller which removes some guesswork and magic numbers
       from drivers.
     * A refresh of the documentation.
     * Conversions of many drivers to direct regmap API usage in order
       to allow the ASoC level register I/O code to be removed, this
       will hopefully be completed by v3.14.
     * Support for using async register I/O in DAPM, reducing the time
       taken to implement power transitions on systems that support it.

   - Firewire: DICE driver

   - Lots of small fixes for bugs reported by Coverity"

* tag 'sound-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (382 commits)
  ALSA: hda/realtek - Add new codec ALC255/ALC3234 UAJ supported
  ALSA: hda - Apply MacBook fixups for CS4208 correctly
  ASoC: fsl: imx-wm8962: remove an unneeded check
  ASoC: fsl: imx-pcm-fiq: Remove unused 'runtime' variable
  ALSA: hda/realtek - Make fixup regs persist after resume
  ALSA: hda_intel: ratelimit "spurious response" message
  ASoC: generic-dmaengine-pcm: Use SNDRV_DMA_TYPE_DEV_IRAM as default
  ASoC: dapm: Use WARN_ON() instead of BUG_ON()
  ASoC: wm_adsp: Fix BUG_ON() and WARN_ON() usages
  ASoC: Replace BUG() with WARN()
  ASoC: wm_hubs: Replace BUG() with WARN()
  ASoC: wm8996: Replace BUG() with WARN()
  ASoC: wm8962: Replace BUG() with WARN()
  ASoC: wm8958: Replace BUG() with WARN()
  ASoC: wm8904: Replace BUG() with WARN()
  ASoC: wm8900: Replace BUG() with WARN()
  ASoC: wm8350: Replace BUG() with WARN()
  ASoC: txx9: Use WARN_ON() instead of BUG_ON()
  ASoC: sh: Use WARN_ON() instead of BUG_ON()
  ASoC: rcar: Use WARN_ON() instead of BUG_ON()
  ...
2013-11-12 15:29:53 +09:00
Richard Fitzgerald
c15b149a30 ALSA: compress_core: don't return -EBADFD from poll if paused
Pausing audio playback is not an illegal state so it doesn't
seem sensible for poll() to return -EBADFD on a paused stream.
There's also no reason to assume that we can't write more data
to the DSP while playback is paused. Remove the -EBADFD so that
a stream in paused state will still report the buffer
availability from poll(). It is up to the user process to
manage its state so that it knows whether it is paused or not.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by VInod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-12 07:14:32 +01:00
Linus Torvalds
f095ca6b31 spi: Updates for v3.13
As well as the usual driver updates and cleanups there's a few
 improvements to the core here:
 
  - The start of some improvements to factor out more of the SPI message
    loop into the core.  Right now this is just simplifying the code a
    bit but hopefully next time around we'll also have managed to roll
    out some noticable performance improvements which drivers can take
    advantage of.
  - Support for loading modules for ACPI enumerated SPI devices.
  - Managed registration for SPI controllers.
  - Helper for another common I/O pattern.
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Merge tag 'spi-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "As well as the usual driver updates and cleanups there's a few
  improvements to the core here:

   - The start of some improvements to factor out more of the SPI
     message loop into the core.  Right now this is just simplifying the
     code a bit but hopefully next time around we'll also have managed
     to roll out some noticable performance improvements which drivers
     can take advantage of.
   - Support for loading modules for ACPI enumerated SPI devices.
   - Managed registration for SPI controllers.
   - Helper for another common I/O pattern"

* tag 'spi-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (116 commits)
  spi/hspi: add device tree support
  spi: atmel: fix return value check in atmel_spi_probe()
  spi: spi-imx: only enable the clocks when we start to transfer a message
  spi/s3c64xx: Fix doubled clock disable on suspend
  spi/s3c64xx: Do not ignore return value of spi_master_resume/suspend
  spi: spi-mxs: Use u32 instead of uint32_t
  spi: spi-mxs: Don't set clock for each xfer
  spi: spi-mxs: Clean up setup_transfer function
  spi: spi-mxs: Remove check of spi mode bits
  spi: spi-mxs: Fix race in setup method
  spi: spi-mxs: Remove bogus setting of ssp clk rate field
  spi: spi-mxs: Remove full duplex check, spi core already does it
  spi: spi-mxs: Fix chip select control bits in DMA mode
  spi: spi-mxs: Fix extra CS pulses and read mode in multi-transfer messages
  spi: spi-mxs: Change flag arguments in txrx functions to bit flags
  spi: spi-mxs: Always clear INGORE_CRC, to keep CS asserted
  spi: spi-mxs: Remove mxs_spi_enable and mxs_spi_disable
  spi: spi-mxs: Always set LOCK_CS
  spi/s3c64xx: Add missing pm_runtime_put on setup fail
  spi/s3c64xx: Add missing pm_runtime_set_active() call in probe()
  ...
2013-11-12 15:01:39 +09:00
Linus Torvalds
c6d65bf246 regulator: Updates for v3.13
Lots of driver updates here plus some nice new core features, the main
 one being the first:
 
  - Enable support for providing a dummy regulator when we know that one
    must exist for the device to be functional.  This makes it much
    easier to add regulator support to drivers since we don't require
    that the machine integration for all systems using the device be
    updated to provide regulators.
  - Substantial reduction in the amount of busy waiting done while
    waiting for enables to complete.
  - Allow MFDs to distribute regulator supplies to child devices so we
    don't have to expose the internal structure of MFDs outside of the
    driver.
  - Managed registeration for regulators.
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Merge tag 'regulator-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Lots of driver updates here plus some nice new core features, the main
  one being the first:

   - Enable support for providing a dummy regulator when we know that
     one must exist for the device to be functional.  This makes it much
     easier to add regulator support to drivers since we don't require
     that the machine integration for all systems using the device be
     updated to provide regulators.
   - Substantial reduction in the amount of busy waiting done while
     waiting for enables to complete.
   - Allow MFDs to distribute regulator supplies to child devices so we
     don't have to expose the internal structure of MFDs outside of the
     driver.
   - Managed registeration for regulators"

* tag 'regulator-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (113 commits)
  regulator: s5m8767: Modify parsing method of the voltage table of buck2/3/4
  regulator: s5m8767: Modify parse_dt function to parse data related to ramp
  regulator: da9052: Revert se apply_[reg|bit] with regmap based voltage_sel operations
  mfd: arizona: Specify supply mappings for Arizona CODECs
  mfd: Allow mapping regulator supplies to MFD device from children
  regulator: core: Add ability to create a lookup alias for supply
  regulator: tps65910: Fix checkpatch issue
  regulator: tps65023: Fix checkpatch issue
  regulator: tps6105x: Fix checkpatch issue
  regulator: mc13783: Fix checkpatch issue
  regulator: max8997: Fix checkpatch issue
  regulator: lp3971: Fix checkpatch issue
  regulator: fixed: Fix checkpatch issue
  regulator: anatop: Fix checkpatch issue
  regulator: Add REGULATOR_LINEAR_RANGE macro
  regulator: Remove max_uV from struct regulator_linear_range
  regulator: ti-abb: Fix operator precedence typo
  regulator: tps65910: get regulators node from parent node only
  regulator: tps6586x: get regulators node from parent node only
  regulator: tps65090: get regulators node from parent node only
  ...
2013-11-12 14:55:17 +09:00