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Kevin Hilman
1cfe0874c1 Some Nomadik Device Tree updates for the v3.14 cycle:
- Drop 0x prefixes
 
 - Get rid of explicit GPIO management
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Merge tag 'nomadik-dt-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into next/dt

From Linus Walleij:
Some Nomadik Device Tree updates for the v3.14 cycle:

- Drop 0x prefixes

- Get rid of explicit GPIO management

* tag 'nomadik-dt-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
  ARM: nomadik: get rid of explicit ethernet GPIO management
  ARM: nomadik: Remove '0x's from nomadik stn8815 DTS file
2013-12-19 07:24:35 -08:00
Felipe Balbi
c139e1425f Linux 3.13-rc4
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Merge tag 'v3.13-rc4' into next

Linux 3.13-rc4

* tag 'v3.13-rc4': (1001 commits)
  Linux 3.13-rc4
  null_blk: mem garbage on NUMA systems during init
  radeon_pm: fix oops in hwmon_attributes_visible() and radeon_hwmon_show_temp_thresh()
  Revert "selinux: consider filesystem subtype in policies"
  igb: Fix for issue where values could be too high for udelay function.
  i40e: fix null dereference
  ARM: fix asm/memory.h build error
  dm array: fix a reference counting bug in shadow_ablock
  dm space map: disallow decrementing a reference count below zero
  mm: memcg: do not allow task about to OOM kill to bypass the limit
  mm: memcg: fix race condition between memcg teardown and swapin
  thp: move preallocated PTE page table on move_huge_pmd()
  mfd/rtc: s5m: fix register updating by adding regmap for RTC
  rtc: s5m: enable IRQ wake during suspend
  rtc: s5m: limit endless loop waiting for register update
  rtc: s5m: fix unsuccesful IRQ request during probe
  drivers/rtc/rtc-s5m.c: fix info->rtc assignment
  include/linux/kernel.h: make might_fault() a nop for !MMU
  drivers/rtc/rtc-at91rm9200.c: correct alarm over day/month wrap
  procfs: also fix proc_reg_get_unmapped_area() for !MMU case
  ...

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-12-19 09:18:53 -06:00
Al Stone
43575faab3 ACPI / processor: initialize a variable to silence compiler warning
In acpi_processor_resume(), the variable resumed_bm_rld is being
used without being initialized, so initialize it.

Signed-off-by: Al Stone <al.stone@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-12-19 16:15:11 +01:00
Matias Bjorling
d15ee6b1a4 null_blk: warning on ignored submit_queues param
Let the user know when the number of submission queues are being
ignored.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-19 08:09:43 -07:00
Matias Bjorling
2d263a7856 null_blk: refactor init and init errors code paths
Simplify the initialization logic of the three block-layers.

- The queue initialization is split into two parts. This allows reuse of
  code when initializing the sq-, bio- and mq-based layers.
- Set submit_queues default value to 0 and always set it at init time.
- Simplify the init error code paths.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-19 08:09:42 -07:00
Matias Bjorling
12f8f4fc03 null_blk: documentation
Add description of module and its parameters.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-19 08:09:41 -07:00
Matias Bjorling
0c56010c83 null_blk: mem garbage on NUMA systems during init
For NUMA systems, initializing the blk-mq layer and using per node hctx.
We initialize submit queues to 1, while blk-mq nr_hw_queues is
initialized to the number of NUMA nodes.

This makes the null_init_hctx function overwrite memory outside of what
it allocated.  In my case it lead to writing garbage into struct
request_queue's mq_map.

Signed-off-by: Matias Bjorling <m@bjorling.me>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-12-19 08:09:38 -07:00
Rashika Kheria
a26ba7fadd drivers: block: Mark the functions as static in skd_main.c
Mark functions skd_skmsg_state_to_str() and skd_skreq_state_to_str() as
static in skd_main.c because they are not used outside this file.

This eliminates the following warnings in skd_main.c:
drivers/block/skd_main.c:5272:13: warning: no previous prototype for ‘skd_skmsg_state_to_str’ [-Wmissing-prototypes]
drivers/block/skd_main.c:5284:13: warning: no previous prototype for ‘skd_skreq_state_to_str’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2013-12-19 08:06:49 -07:00
Nicolin Chen
aafa85e71a ASoC: fsl_ssi: Add DAI master mode support for SSI on i.MX series
This patch adds three main functions for DAI master mode: set_dai_fmt(),
set_dai_sysclk() and set_dai_tdm_slot(), and one essential baud clock
accordingly. After appending this patch, the fsl_ssi driver on i.MX series
has the ability to derive LRCLK and BCLK from baud clock source so as to
support some audio Codecs which can only be used in slave mode.

Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-19 15:03:52 +00:00
Matthew Garrett
05004cb4cd ASoC: fsl/mxs: Remove unnecessarily gendered language
The kernel as a number of cases of gendered language. The majority of these
refer to objects that don't have gender in English, and so I've replaced
them with "it" and "its". Some refer to people (developers or users), and
I've replaced these with the singular "they" variant. Some are simply
typos that I've fixed up.

I've left cases where gendered language was used to refer to specific
individuals, was a quote or is part of license text.

Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-19 15:03:37 +00:00
Boris BREZILLON
7736c715d0 clk: at91: fix pmc_clk_ids data type attriubte
Fix pmc_clk_ids data type attribute (__initdata -> __initconst).

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-12-19 16:00:24 +01:00
Lan Tianyu
42b946bb35 ACPI / EC: disable GPE before removing GPE handler
Adjust the order of disabling the EC GPE and removing its handler to
avoid unhandled events.

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-12-19 15:56:15 +01:00
Jiri Olsa
3406912cc1 perf inject: Handle output file via perf_data_file object
Using the perf_data_file object to handle output file processing.

No functional change intended.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-01j9ophd7tntmgrxa40uqjjm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:38:49 -03:00
Namhyung Kim
73db8f8261 perf tools: Get rid of a duplicate va_end() in error reporting routine
The va_end() in _eprintf() should be removed since the caller also
invokes va_end().

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1387436411-20160-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:38:42 -03:00
Arnaldo Carvalho de Melo
6dbc8ca97b perf report: Introduce helpers for processing callchains
Continuing to try to remove the code duplication introduced with mem and
branch hist entry code, this time providing prologue and epilogues to
deal with callchains when processing samples.

Acked-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: 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/n/tip-js3pour59yk2aibqzb1tpumh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:34:37 -03:00
Arnaldo Carvalho de Melo
44e8303944 perf annotate: Make symbol__inc_addr_samples private
Since it is now accessed just thru addr_map_symbol and hist_entry
wrappers.

Acked-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: 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/n/tip-gjoam7wcfrb03sp753gk1nfk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:34:33 -03:00
Arnaldo Carvalho de Melo
f626adffe1 perf annotate: Adopt methods from hists
Those are just wrappers to annotation methods, so move them to
annotate.c

Acked-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: 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/n/tip-336h7z0bi2k51cbfi6mkpo5k@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:34:27 -03:00
Arnaldo Carvalho de Melo
618afb294e perf top: Use hist_entry__inc_addr_sample
Since it has a hist_entry, no need to skip the hist layer and use the
underlying symbol one.

Acked-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: 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/n/tip-txsgu9umb0i86ijk888r1a0o@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:34:23 -03:00
Arnaldo Carvalho de Melo
0f4e7a24d0 perf annotate: Add inc_samples method to addr_map_symbol
Since there are three calls that could receive just the struct
addr_map_symbol pointer and call the symbol method.

Acked-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: 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/n/tip-d728gz1orgkaknac9ppnzd9e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:34:19 -03:00
Arnaldo Carvalho de Melo
00e5521864 perf hists: Leave symbol addr hist bucket auto alloc to symbol layer
Since now symbol__addr_inc_samples() does the auto alloc, no need to do
it prior to calling hist_entry__inc_addr_samples.

Acked-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: 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/n/tip-6ife7xq2kef1nn017m04b3id@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:34:04 -03:00
Arnaldo Carvalho de Melo
b66d8c0caa perf annotate: Auto allocate symbol per addr hist buckets
Instead of open coding it in multiple places in 'report' and 'top'.

Acked-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: 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/n/tip-ay1ushp57qsva9aw59rha5ve@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-12-19 11:33:51 -03:00
Vineet Gupta
1e01c7eb7c ARC: Allow conditional multiple inclusion of uapi/asm/unistd.h
Commit 97bc386fc1 "ARC: Add guard macro to uapi/asm/unistd.h"
inhibited multiple inclusion of ARCH unistd.h. This however hosed the system
since Generic syscall table generator relies on it being included twice,
and in lack-of an empty table was emitted by C preprocessor.

Fix that by allowing one exception to rule for the special case (just
like Xtensa)

Suggested-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-12-19 19:44:12 +05:30
Emilio López
0feb03af7f drivers: fix typo in DEVTMPFS_MOUNT Kconfig help text
rootfs was missing its f.

Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:13:18 +01:00
Stefan Weil
507da6a1f3 doc: Fix typo (acces_process_vm -> access_process_vm)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:12:21 +01:00
Masanari Iida
77d84ff87e treewide: Fix typos in printk
Correct spelling typo in various part of kernel

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:10:49 +01:00
Antonio Ospite
949b618341 drivers/gpu/drm/qxl/Kconfig: reformat the help text
Reformat the help text to follow the style of the other Kconfig files,
and also fix indentation for the "select" lines.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:10:22 +01:00
Takashi Iwai
d8f66c71d5 ALSA: hda - Add warning texts when codec driver Kconfig doesn't match
When a Kconfig of a codec driver doesn't match with the controller
(CONFIG_SND_HDA_INTEL), it'll result in the non-working automatic
probing.  Unfortunately kbuild can't give such a restriction, but at
least, it's possible to show a warning if such a condition is found.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-12-19 15:09:14 +01:00
Silvan Jegen
bf65188352 doc: Fix trivial spelling mistake in efi-stub.txt
Signed-off-by: Silvan Jegen <s.jegen@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:09:14 +01:00
Jiri Kosina
e23c34bb41 Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply fixes on top of newer things
in tree (efi-stub).

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-12-19 15:08:32 +01:00
Lan Tianyu
8eaa29f92a ACPI / Button: Fix enabling button GPEs twice
Button GPEs have been enabled in the acpi_wake_device_init() during
boot and the button driver enables them for the second time.
Consequently, it is necessary to do

# echo disable > /sys/firmware/acpi/interrupts/gpeXXX

twice in a row to disable those GPEs via sysfs. This patch is to
remove the GPE enabling code from the button driver to avoid the
problem.

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-12-19 15:07:00 +01:00
Takashi Iwai
2698ea9805 ALSA: hda - Kill EXPORT_SYMBOL_HDA()
Replace all with the standard EXPORT_SYMBOL_GPL().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-12-19 14:36:19 +01:00
Takashi Iwai
595fe1b702 ALSA: hda - Make CONFIG_SND_HDA_CODEC_* tristate
So far, CONFIG_SND_HDA_CODEC_* kconfigs have been booleans due to
historical reasons.  The major reason was that the automatic codec
driver probing wouldn't work if user sets a codec driver as a module
while the controller driver as a built-in.  And, another reason was to
avoid exporting symbols of the helper codes when all drivers are built
in.

But, this sort of "kindness" rather confuses people in the end,
especially makes the config refinement via localmodconfig unhappy.
Also, a codec module would still work if you re-bind the controller
driver via sysfs (although it's no automatic loading), so there might
be a slight use case.

That said, better to let people fallen into a pitfall than being too
smart and restrict something.  Let's make things straightforward: now
all CONFIG_SND_HDA_CODEC_* become tristate, and all symbols exported
unconditionally.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-12-19 14:36:11 +01:00
Sourav Poddar
52690a6a86 spi/qspi: update binding information
These update binding information for ti qspi controller.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-19 13:33:50 +00:00
Sourav Poddar
6b3938aed0 spi/qspi: parse register by name.
Modify the qspi driver to parse reg information by name.
If "reg names" is not found, then revert back to normal
get resource.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-12-19 13:33:43 +00:00
Lans Zhang
f3d815cb85 x86/mm/numa: Fix 32-bit kernel NUMA boot
When booting a 32-bit x86 kernel on a NUMA machine, node data
cannot be allocated from local node if the account of memory for
node 0 covers the low memory space entirely:

  [    0.000000] Initmem setup node 0 [mem 0x00000000-0x83fffffff]
  [    0.000000]   NODE_DATA [mem 0x367ed000-0x367edfff]
  [    0.000000] Initmem setup node 1 [mem 0x840000000-0xfffffffff]
  [    0.000000] Cannot find 4096 bytes in node 1
  [    0.000000] 64664MB HIGHMEM available.
  [    0.000000] 871MB LOWMEM available.

To fix this issue, node data is allowed to be allocated from
other nodes if the memory of local node is still not mapped. The
expected result looks like this:

  [    0.000000] Initmem setup node 0 [mem 0x00000000-0x83fffffff]
  [    0.000000]   NODE_DATA [mem 0x367ed000-0x367edfff]
  [    0.000000] Initmem setup node 1 [mem 0x840000000-0xfffffffff]
  [    0.000000]   NODE_DATA [mem 0x367ec000-0x367ecfff]
  [    0.000000]     NODE_DATA(1) on node 0
  [    0.000000] 64664MB HIGHMEM available.
  [    0.000000] 871MB LOWMEM available.

Signed-off-by: Lans Zhang <jia.zhang@windriver.com>
Cc: <andi@firstfloor.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1386303510-18574-1-git-send-email-jia.zhang@windriver.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-12-19 13:58:36 +01:00
Ingo Molnar
3331e924e7 Linux 3.13-rc4
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Merge tag 'v3.13-rc4' into x86/mm

Pick up the latest fixes before applying new patches.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-12-19 13:56:10 +01:00
Johannes Berg
567ffc3509 nl80211: support vendor-specific events
In addition to vendor-specific commands, also support vendor-specific
events. These must be registered with cfg80211 before they can be used.
They're also advertised in nl80211 in the wiphy information so that
userspace knows can be expected. The events themselves are sent on a
new multicast group called "vendor".

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19 13:40:31 +01:00
Felix Fietkau
a7022e65c6 mac80211: add helper functions for tracking P2P NoA state
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19 13:37:46 +01:00
Johannes Berg
34a3740d6b mac80211: fix iflist_mtx/mtx locking in radar detection
The scan code creates an iflist_mtx -> mtx locking dependency,
and a few other places, notably radar detection, were creating
the opposite dependency, causing lockdep to complain. As scan
and radar detection are mutually exclusive, the deadlock can't
really happen in practice, but it's still bad form.

A similar issue exists in the monitor mode code, but this is
only used by channel-context drivers right now and those have
to have hardware scan, so that also can't happen.

Still, fix these issues by making some of the channel context
code require the mtx to be held rather than acquiring it, thus
allowing the monitor/radar callers to keep the iflist_mtx->mtx
lock ordering.

While at it, also fix access to the local->scanning variable
in the radar code, and document that radar_detect_enabled is
now properly protected by the mtx.

All this would now introduce an ABBA deadlock between the DFS
work cancelling and local->mtx, so change the locking there a
bit to not need to use cancel_delayed_work_sync() but be able
to just use cancel_delayed_work(). The work is also safely
stopped/removed when the interface is stopped, so no extra
changes are needed.

Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Tested-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19 13:33:33 +01:00
Johannes Berg
6924d0138a mac80211: remove unnecessary iflist_mtx locking
The radar detection code changed a few times, and due to
the changes some iflist_mtx locking stayed in that isn't
actually necessary - remove it.

One version of the code needed it because an AP interface's
VLAN list was changed to use this, but then we moved the
list handling outside of the chanctx handling and thus the
locking was no longer needed.

Tested-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-19 13:33:13 +01:00
Chen Gang
40979d327c metag: topology: export 'cpu_core_map'
We need to export 'cpu_core_map' since the topology_core_cpumask macro
refers to it and is used by certain kernel modules.

Found in allmodconfig build:
  ERROR: "cpu_core_map" [drivers/staging/lustre/lustre/libcfs/libcfs.ko] undefined!

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
2013-12-19 11:36:13 +00:00
Robert Backhaus
d22d32e117 [media] Add USB IDs for Winfast DTV Dongle Mini-D
GIT_AUTHOR_DATE=1386943312
    Add USB IDs for the WinFast DTV Dongle Mini.
    Device is tested and works fine under MythTV

    Signed-off-by: Robert Backhaus <robbak@robbak.com>

Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:26:15 -02:00
Antti Palosaari
b03129ff7b [media] m88ts2022: fix some style issues reported by checkpatch.pl
Latest checkpatch.pl has some new requirements for coding style.
Fix some of those.

* remove Free Software Foundation postal address
* use sizeof(*foo), not sizeof(struct foo)

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:24:57 -02:00
Antti Palosaari
8a878dc4f6 [media] m88ds3103: fix some style issues reported by checkpatch.pl
* remove Free Software Foundation postal address
* add one pair of parenthesis
* use sizeof(*foo), not sizeof(struct foo)

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:24:44 -02:00
Antti Palosaari
4fc578768c [media] m88ds3103: fix possible i2c deadlock
Adapter is locked by I2C core already. Use unlocked i2c_transfer()
version __i2c_transfer() to avoid deadlock.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:24:25 -02:00
Antti Palosaari
eafa2ad6e4 [media] m88ts2022: convert to Kernel I2C driver model
Convert driver from proprietary DVB driver model to standard I2C
driver model.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:24:05 -02:00
Antti Palosaari
06487dee53 [media] m88ds3103: I/O optimize inittab write
Write inittab using reg address auto-increment in order to reduce
I/O a little bit.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:23:04 -02:00
Antti Palosaari
dcaf0fbfd2 [media] m88ds3103: add default value for reg 56
Reg 0x56 should be programmed to 0x01. Add default to inittab.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:22:43 -02:00
Antti Palosaari
58b7450d56 [media] m88ds3103: remove unneeded AGC from inittab
Optimal AGC is highly depended on used RF tuner and due to that
it is already included to chip configuration. However, inittab
has default AGC value, which was later replaced by one from config.

Add also comment to all chip configuration options about default
values and if those are needed to set or not.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-12-19 09:22:29 -02:00
Takashi Iwai
356f402da0 ASoC: Fixes for v3.13
The fixes here are all driver specific ones, none of which particularly
 stand out but all of which are useful to users of those drivers.
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Merge tag 'asoc-v3.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.13

The fixes here are all driver specific ones, none of which particularly
stand out but all of which are useful to users of those drivers.
2013-12-19 12:22:11 +01:00