Commit Graph

399518 Commits

Author SHA1 Message Date
Thomas Pugliese
df3774c5c5 ALSA: usb-audio: add support for wireless USB devices
This patch updates snd_usb_audio_create also support devices whose
speed == USB_SPEED_WIRELESS.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:51:54 +02:00
Anssi Hannula
980b24958f ALSA: hda - hdmi: Tweak debug messages to be more useful
Allow channel map debugging for both automatic and manual channel maps,
and print CA always when updating infoframe.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:49:25 +02:00
Anssi Hannula
bb731f2100 ALSA: hda - hdmi: Fix available channel maps missing from TLV
Currently the available channel maps TLV only contains channel maps that
are limited to the traditional 7.1 speakers.

Since the other HDMI channel mapping functions have been fixed to
properly handle all CEA-861-E specified speakers, allow them to be
listed.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:49:13 +02:00
Anssi Hannula
a5b7d510b2 ALSA: hda - hdmi: Fix channel maps with less common speakers
For some speakers and slots the CEA slot <-> speaker assignment depends
on the used CEA Channel Allocation value.

Therefore the from_cea_slot() and to_cea_slot() helpers currently only
work correctly for the regular 7.1 speakers.

Fix them to work with all speakers, taking the re-ordered CA index as
input and adapting use sites accordingly.

This change allows manual channel mapping to actually work for all CEA
allocated speakers. Additionally, this fixes incorrect channel map
reporting in automatic channel mapping mode when an affected speaker
position is used (e.g. 6.1 map which contains an RC speaker).

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:48:15 +02:00
Anssi Hannula
11f7c52d90 ALSA: hda - hdmi: Fix unused slots being enabled in manual and non-PCM mappings
hdmi_manual_setup_channel_mapping() and hdmi_std_setup_channel_mapping
try to assign ALSA channels to HDMI channel slots and disable (i.e.
silence) other slots.

However, they try to disable a slot by using AC_VERB_SET_CHAN_SLOT with
parameter ((alsa_ch << 8) | 0xf), while the correct parameter is
((0xf << 8) | hdmi_slot), i.e. the slot should be unassigned, not the
ALSA channel.

Fix that by actually disabling the unused slots.

Note that this bug did not cause any (reported) issues because slots
incorrectly having audio are normally ignored by a receiver if the CEA
channel allocation used does not map that slot to any speaker.
Additionally, the converter channel count configuration limits the
number of actually active channels in any case.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:47:30 +02:00
Anssi Hannula
1df5a06abb ALSA: hda - hdmi: Fix programmed active channel count
Currently the converter channel count is set to the number of actual
input channels. The audio infoframe channel count field is set
similarly.

However, sometimes the used channel map does not map all input channels
to outputs. Notably, 3 channel modes (e.g. 2.1) require a dummy input
channel so there are 4 input channels. According to the HDA
specification, converter channel count should be programmed according to
the number of _active_ channels.

On Intel HDMI codecs (but not on NVIDIA), setting the converter channel
to a higher value than there are actually mapped channels to HDMI slots
will cause no audio to be output at all.

Note that the effects of this issue are currently partially masked by
other bugs that prevent the driver from actually unmapping channels in
certain cases. For example, if a 4 channel stream is first created and
prepared, it gets a FL,FR,RL,RR mapping (ALSA->HDMI slot mapping 0->0,
1->1, 2->4, 3->5). If one thereafter assigns a FR,FL,FC mapping to it,
the driver will remap 2->3 but fail to unmap 2->4 and 3->5, so there are
still 4 active channels and the issue will not trigger in this case.
These bugs will be fixed separately.

Fix the channel counts in the converter channel count field and in the
audio infoframe channel count field to match the actual number of active
channels.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:47:06 +02:00
Anssi Hannula
90f2800211 ALSA: hda - hdmi: Fix incorrect default channel mapping for unusual CAs
hdmi_std_setup_channel_mapping() selects a Channel Allocation according
to the sink reported speaker mask, preferring the ALSA standard layouts.

If the channel allocation is not one of the ALSA standard layouts, the
ALSA channels are mapped directly to HDMI channels in order. However,
the function does not take into account that there a holes in the HDMI
channel map.

Additionally, the function tries to disable a slot by using
AC_VERB_SET_CHAN_SLOT with parameter ((alsa_ch << 8) | 0xf), while the
correct parameter is ((0xf << 8) | hdmi_slot), i.e. the slot should be
unassigned, not the ALSA channel.

Fix both of the issues for non-ALSA-default layouts.

Tested on Intel HDMI with a speaker mask of FL | FR | FC | RC, which
causes CA 0x06 to be selected for 4-channel audio, which causes
incorrect output (sound destined to RC goes to FC and FC goes nowhere)
without the patch.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:46:26 +02:00
Anssi Hannula
56cac413dd ALSA: hda - hdmi: Fix reported channel map on common default layouts
hdmi_setup_fake_chmap() is supposed to set the reported channel map when
the channel map is not specified by the user.

However, the function indexes channel_allocations[] with a wrong value
and extracts the wrong nibble from hdmi_channel_mapping[], causing wrong
channel maps to be shown.

Fix those issues.

Tested on Intel HDMI to correctly generate various channel maps, for
example 3,4,14,15,7,8,5,6 (instead of incorrect 3,4,8,7,5,6,14,0) for
standard 7.1 channel audio. (Note that the side and rear channels are
reported as RL/RR and RLC/RRC, respectively, as per the CEA-861
standard, instead of the more traditional SL/SR and RL/RR.)

Note that this only fixes the layouts that only contain traditional 7.1
speakers (2.0, 2.1, 4.0, 5.1, 7.1, etc.). E.g. the rear center of 6.1
is still being shown wrongly due to an issue with from_cea_slot()
which will be fixed in a later patch.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 12:46:00 +02:00
Eldad Zack
05c79b772f ALSA: usb-audio: remove unused endpoint flag EP_FLAG_ACTIVATED
EP_FLAG_ACTIVATED is never tested for, remove it.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 11:22:43 +02:00
Eldad Zack
df23a2466a ALSA: usb-audio: rename alt_idx to altsetting
As Clemens Ladisch kindly explained:
 "Please note that there are two methods to identify alternate settings:
  the number, which is the value in bAlternateSetting, and the index,
  which is the index in the descriptor array.  There might be some wording
  in the USB spec that these two values must be the same, but in reality,
  [insert standard rant about firmware writers], bAlternateSetting
  must be treated as a random ID value."

This patch changes the name to express the correct usage semantics.
No functional change.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 11:22:03 +02:00
Eldad Zack
06613f547a ALSA: usb-audio: clear SUBSTREAM_FLAG_SYNC_EP_STARTED on error
If setting the interface fails, the SUBSTREAM_FLAG_SYNC_EP_STARTED
should be cleared.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 11:00:23 +02:00
Eldad Zack
9b7c552bba ALSA: usb-audio: void return type of snd_usb_endpoint_deactivate()
The return value of snd_usb_endpoint_deactivate() is not used,
make the function have no return value.
Update the documentation to reflect what the function is actually
doing.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 11:00:03 +02:00
Eldad Zack
239b9f7990 ALSA: usb-audio: don't deactivate URBs on in-use EP
If an endpoint in use, its associated URBs should not be
deactivated.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 10:55:14 +02:00
Eldad Zack
26de5d0a8d ALSA: usb-audio: remove deactivate_endpoints()
The only call site for deactivate_endpoints() at snd_usb_hw_free().
The return value is not checked there, as it is irrelevant if it
fails on hw_free.
This patch moves the deactivation of the endpoints directly into
snd_usb_hw_free().

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 10:52:13 +02:00
Eldad Zack
9372103990 ALSA: usb-audio: remove unused parameter from sync_ep_set_params
Since the format is not actually used in sync_ep_set_params(),
there is no need to pass it down.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-07 10:52:06 +02:00
Hannes Gräuler
d2724de187 ALSA: snd-usb-caiaq: LED support for Maschine Controller
This patch adds LED support for the Native Instruments Maschine
Controller. It adds ALSA controls for dimming the LEDs of all
buttons and the backlight of the two displays.

Signed-off-by: Hannes Gräuler <hgraeule@uos.de>
Acked-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-30 11:19:16 +02:00
Takashi Sakamoto
e84841f9ba ALSA: firewire-lib: use inlune function to calculate frame bytes
Calculating frame bytes can be replaced with inline function in
include/sound/pcm.h.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-26 10:36:52 +02:00
Alan Stern
976b6c064a ALSA: improve buffer size computations for USB PCM audio
This patch changes the way URBs are allocated and their sizes are
determined for PCM playback in the snd-usb-audio driver.  Currently
the driver allocates too few URBs for endpoints that don't use
implicit sync, making underruns more likely to occur.  This may be a
holdover from before I/O delays could be measured accurately; in any
case, it is no longer necessary.

The patch allocates as many URBs as possible, subject to four
limitations:

	The total number of URBs for the endpoint is not allowed to
	exceed MAX_URBS (which the patch increases from 8 to 12).

	The total number of packets per URB is not allowed to exceed
	MAX_PACKS (or MAX_PACKS_HS for high-speed devices), which is
	decreased from 20 to 6.

	The total duration of queued data is not allowed to exceed
	MAX_QUEUE, which is decreased from 24 ms to 18 ms.

	The total number of ALSA frames in the output queue is not
	allowed to exceed the ALSA buffer size.

The last requirement is the hardest to implement.  Currently the
number of URBs needed to fill a buffer cannot be determined in
advance, because a buffer contains a fixed number of frames whereas
the number of frames in an URB varies to match shifts in the device's
clock rate.  To solve this problem, the patch changes the logic for
deciding how many packets an URB should contain.  Rather than using as
many as possible without exceeding an ALSA period boundary, now the
driver uses only as many packets as needed to transfer a predetermined
number of frames.  As a result, unless the device's clock has an
exceedingly variable rate, the number of URBs making up each period
(and hence each buffer) will remain constant.

The overall effect of the patch is that playback works better in
low-latency settings.  The user can still specify values for
frames/period and periods/buffer that exceed the capabilities of the
hardware, of course.  But for values that are within those
capabilities, the performance will be improved.  For example, testing
shows that a high-speed device can handle 32 frames/period and 3
periods/buffer at 48 KHz, whereas the current driver starts to get
glitchy at 64 frames/period and 2 periods/buffer.

A side effect of these changes is that the "nrpacks" module parameter
is no longer used.  The patch removes it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Clemens Ladisch <clemens@ladisch.de>
Tested-by: Daniel Mack <zonque@gmail.com>
Tested-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-26 10:25:31 +02:00
Takashi Iwai
e8bc99425e Merge branch 'for-linus' into for-next
* for-linus:
  ALSA : hda - not use assigned converters for all unused pins
  ALSA: compress: Make sure we trigger STOP before closing the stream.
2013-09-26 10:23:31 +02:00
Mengdong Lin
f82d7d16ae ALSA : hda - not use assigned converters for all unused pins
BIOS can mark a pin as "no physical connection" if the port is used by an
integrated display which is not audio capable. And audio driver will overlook
such pins.

On Haswell, such a disconneted pin will keep muted and connected to the 1st
converter by default. But if the 1st convertor is assigned to a connected pin
for audio streaming. The muted disconnected pin can make the connected pin
no sound output.

So this patch avoids using assigned converters for all unused pins for Haswell,
including the disconected pins.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Reviewed-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-26 10:22:49 +02:00
Peter Senna Tschudin
e0f17c75d9 ALSA: Fix assignment of 0/1 to bool variables
Convert 0 to false and 1 to true when assigning values to bool
variables. Inspired by commit 3db1cd5c05.

The simplified semantic patch that find this problem is as
follows (http://coccinelle.lip6.fr/):

@@
bool b;
@@
(
-b = 0
+b = false
|
-b = 1
+b = true
)

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-26 09:57:24 +02:00
Liam Girdwood
b26d19e44a ALSA: compress: Make sure we trigger STOP before closing the stream.
Currently we assume that userspace will shut down the compressed stream
correctly. However, if userspcae dies (e.g. cplay & ctrl-C) we dont
stop the stream before freeing it.

This now checks that the stream is stopped before freeing.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-26 09:28:22 +02:00
Takashi Iwai
43cdd088b1 Merge branch 'for-linus' into for-next 2013-09-19 18:46:43 +02:00
Liam Girdwood
4028b6c4c0 ALSA: compress: Fix compress device unregister.
snd_unregister_device() should return the device type and not stream
direction.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Tested-by: Vinod Koul <vinod.koul@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-19 18:40:00 +02:00
Linus Torvalds
272b98c645 Linux 3.12-rc1 2013-09-16 16:17:51 -04:00
Linus Torvalds
a4ae54f90e Merge branch 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer code update from Thomas Gleixner:
 - armada SoC clocksource overhaul with a trivial merge conflict
 - Minor improvements to various SoC clocksource drivers

* 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource: armada-370-xp: Add detailed clock requirements in devicetree binding
  clocksource: armada-370-xp: Get reference fixed-clock by name
  clocksource: armada-370-xp: Replace WARN_ON with BUG_ON
  clocksource: armada-370-xp: Fix device-tree binding
  clocksource: armada-370-xp: Introduce new compatibles
  clocksource: armada-370-xp: Use CLOCKSOURCE_OF_DECLARE
  clocksource: armada-370-xp: Simplify TIMER_CTRL register access
  clocksource: armada-370-xp: Use BIT()
  ARM: timer-sp: Set dynamic irq affinity
  ARM: nomadik: add dynamic irq flag to the timer
  clocksource: sh_cmt: 32-bit control register support
  clocksource: em_sti: Convert to devm_* managed helpers
2013-09-16 16:10:26 -04:00
Linus Torvalds
3369d11693 Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull CIFS fixes from Steve French:
 "Two minor cifs fixes and a minor documentation cleanup for cifs.txt"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update cifs.txt and remove some outdated infos
  cifs: Avoid calling unlock_page() twice in cifs_readpage() when using fscache
  cifs: Do not take a reference to the page in cifs_readpage_worker()
2013-09-16 15:39:21 -04:00
Linus Torvalds
f1da3458e9 Just a single fastmap fix plus a regression fix.
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Merge tag 'upstream-3.12-rc1' of git://git.infradead.org/linux-ubi

Pull UBI fixes from Artem Bityutskiy:
 "Just a single fastmap fix plus a regression fix"

* tag 'upstream-3.12-rc1' of git://git.infradead.org/linux-ubi:
  UBI: Fix invalidate_fastmap()
  UBI: Fix PEB leak in wear_leveling_worker()
2013-09-16 15:37:52 -04:00
Linus Torvalds
098e7f1665 Just one patch which fixes the power-cut recovery testing mode.
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Merge tag 'upstream-3.12-rc1' of git://git.infradead.org/linux-ubifs

Pull ubifs fix from Artem Bityutskiy:
 "Just one patch which fixes the power-cut recovery testing mode.

  I'll start using a single UBI/UBIFS tree instead of 2 trees from now
  on.  So in the future you'll get 1 small pull request instead of 2
  tiny ones"

* tag 'upstream-3.12-rc1' of git://git.infradead.org/linux-ubifs:
  UBIFS: remove invalid warn msg with tst_recovery enabled
2013-09-16 15:36:55 -04:00
Linus Torvalds
d8efd82eec Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "These are four patches for three construction sites:

   - Fix register decoding for the combination of multi-core processors
     and multi-threading.

   - Two more fixes that are part of the ongoing DECstation resurrection
     work.  One of these touches a DECstation-only network driver.

   - Finally Markos' trivial build fix for the AP/SP support.

  (With this applied now all MIPS defconfigs are building again)"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: kernel: vpe: Make vpe_attrs an array of pointers.
  MIPS: Fix SMP core calculations when using MT support.
  MIPS: DECstation I/O ASIC DMA interrupt handling fix
  MIPS: DECstation HRT initialization rearrangement
2013-09-15 17:45:52 -04:00
Linus Torvalds
cd619e21ea Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform updates from Matthew Garrett:
 "Nothing amazing here, almost entirely cleanups and minor bugfixes and
  one bit of hardware enablement in the amilo-rfkill driver"

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
  platform/x86: panasonic-laptop: reuse module_acpi_driver
  samsung-laptop: fix config build error
  platform: x86: remove unnecessary platform_set_drvdata()
  amilo-rfkill: Enable using amilo-rfkill with the FSC Amilo L1310.
  wmi: parse_wdg() should return kernel error codes
  hp_wmi: Fix unregister order in hp_wmi_rfkill_setup()
  platform: replace strict_strto*() with kstrto*()
  x86: irst: use module_acpi_driver to simplify the code
  x86: smartconnect: use module_acpi_driver to simplify the code
  platform samsung-q10: use ACPI instead of direct EC calls
  thinkpad_acpi: add the ability setting TPACPI_LED_NONE by quirk
  thinkpad_acpi: return -NODEV while operating uninitialized LEDs
2013-09-15 17:42:59 -04:00
Linus Torvalds
0375ec5899 SCSI misc on 20130915
This patch set is a set of driver updates (megaraid_sas, fnic, lpfc, ufs,
 hpsa) we also have a couple of bug fixes (sd out of bounds and ibmvfc error
 handling) and the first round of esas2r checker fixes and finally the much
 anticipated big endian additions for megaraid_sas.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull misc SCSI driver updates from James Bottomley:
 "This patch set is a set of driver updates (megaraid_sas, fnic, lpfc,
  ufs, hpsa) we also have a couple of bug fixes (sd out of bounds and
  ibmvfc error handling) and the first round of esas2r checker fixes and
  finally the much anticipated big endian additions for megaraid_sas"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (47 commits)
  [SCSI] fnic: fnic Driver Tuneables Exposed through CLI
  [SCSI] fnic: Kernel panic while running sh/nosh with max lun cfg
  [SCSI] fnic: Hitting BUG_ON(io_req->abts_done) in fnic_rport_exch_reset
  [SCSI] fnic: Remove QUEUE_FULL handling code
  [SCSI] fnic: On system with >1.1TB RAM, VIC fails multipath after boot up
  [SCSI] fnic: FC stat param seconds_since_last_reset not getting updated
  [SCSI] sd: Fix potential out-of-bounds access
  [SCSI] lpfc 8.3.42: Update lpfc version to driver version 8.3.42
  [SCSI] lpfc 8.3.42: Fixed issue of task management commands having a fixed timeout
  [SCSI] lpfc 8.3.42: Fixed inconsistent spin lock usage.
  [SCSI] lpfc 8.3.42: Fix driver's abort loop functionality to skip IOs already getting aborted
  [SCSI] lpfc 8.3.42: Fixed failure to allocate SCSI buffer on PPC64 platform for SLI4 devices
  [SCSI] lpfc 8.3.42: Fix WARN_ON when driver unloads
  [SCSI] lpfc 8.3.42: Avoided making pci bar ioremap call during dual-chute WQ/RQ pci bar selection
  [SCSI] lpfc 8.3.42: Fixed driver iocbq structure's iocb_flag field running out of space
  [SCSI] lpfc 8.3.42: Fix crash on driver load due to cpu affinity logic
  [SCSI] lpfc 8.3.42: Fixed logging format of setting driver sysfs attributes hard to interpret
  [SCSI] lpfc 8.3.42: Fixed back to back RSCNs discovery failure.
  [SCSI] lpfc 8.3.42: Fixed race condition between BSG I/O dispatch and timeout handling
  [SCSI] lpfc 8.3.42: Fixed function mode field defined too small for not recognizing dual-chute mode
  ...
2013-09-15 17:41:30 -04:00
Linus Torvalds
bff157b3ad Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull SLAB update from Pekka Enberg:
 "Nothing terribly exciting here apart from Christoph's kmalloc
  unification patches that brings sl[aou]b implementations closer to
  each other"

* 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  slab: Use correct GFP_DMA constant
  slub: remove verify_mem_not_deleted()
  mm/sl[aou]b: Move kmallocXXX functions to common code
  mm, slab_common: add 'unlikely' to size check of kmalloc_slab()
  mm/slub.c: beautify code for removing redundancy 'break' statement.
  slub: Remove unnecessary page NULL check
  slub: don't use cpu partial pages on UP
  mm/slub: beautify code for 80 column limitation and tab alignment
  mm/slub: remove 'per_cpu' which is useless variable
2013-09-15 07:15:06 -04:00
Linus Torvalds
8bf5e36d04 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input update from Dmitry Torokhov:
 "The only change is David Hermann's new EVIOCREVOKE evdev ioctl that
  allows safely passing file descriptors to input devices to session
  processes and later being able to stop delivery of events through
  these fds so that inactive sessions will no longer receive user input
  that does not belong to them"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: evdev - add EVIOCREVOKE ioctl
2013-09-15 07:13:39 -04:00
Linus Torvalds
05a8252bde vfs: fix typo in comment in recent dentry work
Sedat points out that I transposed some letters in "LRU" and wrote "RLU"
instead in one of the new comments explaining the flow.  Let's just fix
it.

Reported-by: Sedat Dilek <sedat.dilek@jpberlin.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-15 07:11:01 -04:00
Davidlohr Bueso
6b02fa59a7 partitions/efi: loosen check fot pmbr size in lba
Matt found that commit 27a7c64217 ("partitions/efi: account for pmbr
size in lba") caused his GPT formatted eMMC device not to boot.  The
reason is that this commit enforced Linux to always check the lesser of
the whole disk or 2Tib for the pMBR size in LBA.  While most disk
partitioning tools out there create a pMBR with these characteristics,
Microsoft does not, as it always sets the entry to the maximum 32-bit
limitation - even though a drive may be smaller than that[1].

Loosen this check and only verify that the size is either the whole disk
or 0xFFFFFFFF.  No tool in its right mind would set it to any value
other than these.

[1] http://thestarman.pcministry.com/asm/mbr/GPT.htm#GPTPT

Reported-and-tested-by: Matt Porter <matt.porter@linaro.org>
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-15 07:10:16 -04:00
Linus Torvalds
3711d86a2d a trivial writeback fix
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Merge tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux

Pull writeback fix from Wu Fengguang:
 "A trivial writeback fix"

* tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: Do not sort b_io list only because of block device inode
2013-09-13 23:06:40 -04:00
Linus Torvalds
89dc77bcda vfs: fix dentry LRU list handling and nr_dentry_unused accounting
The LRU list changes interacted badly with our nr_dentry_unused
accounting, and even worse with the new DCACHE_LRU_LIST bit logic.

This introduces helper functions to make sure everything follows the
proper dcache d_lru list rules: the dentry cache is complicated by the
fact that some of the hotpaths don't even want to look at the LRU list
at all, and the fact that we use the same list entry in the dentry for
both the LRU list and for our temporary shrinking lists when removing
things from the LRU.

The helper functions temporarily have some extra sanity checking for the
flag bits that have to match the current LRU state of the dentry.  We'll
remove that before the final 3.12 release, but considering how easy it
is to get wrong, this first cleanup version has some very particular
sanity checking.

Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-13 22:55:10 -04:00
Björn Jacke
81b66220a9 cifs: update cifs.txt and remove some outdated infos
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Björn JACKE <bj@sernet.de>
Signed-off-by: Steve French <smfrench@gmail.com>
2013-09-13 16:29:58 -05:00
Sachin Prabhu
466bd31bbd cifs: Avoid calling unlock_page() twice in cifs_readpage() when using fscache
When reading a single page with cifs_readpage(), we make a call to
fscache_read_or_alloc_page() which once done, asynchronously calls
the completion function cifs_readpage_from_fscache_complete(). This
completion function unlocks the page once it has been populated from
cache. The module then attempts to unlock the page a second time in
cifs_readpage() which leads to warning messages.

In case of a successful call to fscache_read_or_alloc_page() we should skip
the second unlock_page() since this will be called by the
cifs_readpage_from_fscache_complete() once the page has been populated by
fscache.

With the modifications to cifs_readpage_worker(), we will need to re-grab the
page lock in cifs_write_begin().

The problem was first noticed when testing new fscache patches for cifs.
https://bugzilla.redhat.com/show_bug.cgi?id=1005737

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
2013-09-13 16:24:49 -05:00
Sachin Prabhu
a9e9b7bc15 cifs: Do not take a reference to the page in cifs_readpage_worker()
We do not need to take a reference to the pagecache in
cifs_readpage_worker() since the calling function will have already
taken one before passing the pointer to the page as an argument to the
function.

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
2013-09-13 16:24:43 -05:00
Linus Torvalds
bdbdfdef57 Some more low risk cleanup patches:
Remove unnecessary pci_set_drvdata in k10temp driver from Jingoo Han
 Fix return values in several drivers from Sachin Kamat
 Remove redundant break in amc6821 driver from Sachin Kamat
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Some more low risk cleanup patches:

   - Remove unnecessary pci_set_drvdata in k10temp driver from Jingoo Han
   - Fix return values in several drivers from Sachin Kamat
   - Remove redundant break in amc6821 driver from Sachin Kamat"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (k10temp) remove unnecessary pci_set_drvdata()
  hwmon: (tmp421) Fix return value
  hwmon: (amc6821) Remove redundant break
  hwmon: (amc6821) Fix return value
  hwmon: (ibmaem) Fix return value
  hwmon: (emc2103) Fix return value
2013-09-13 10:58:41 -07:00
Linus Torvalds
6700215140 Xtensa patchset for v3.12
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Merge tag 'xtensa-next-20130912' of git://github.com/czankel/xtensa-linux

Pull Xtensa updates from Chris Zankel.

* tag 'xtensa-next-20130912' of git://github.com/czankel/xtensa-linux:
  xtensa: Fix broken allmodconfig build
  xtensa: remove CCOUNT_PER_JIFFY
  xtensa: fix !CONFIG_XTENSA_CALIBRATE_CCOUNT build failure
  xtensa: don't use echo -e needlessly
  xtensa: new fast_alloca handler
  xtensa: keep a3 and excsave1 on entry to exception handlers
  xtensa: enable kernel preemption
  xtensa: check thread flags atomically on return from user exception
2013-09-13 10:57:48 -07:00
Linus Torvalds
9bf12df31f Merge git://git.kvack.org/~bcrl/aio-next
Pull aio changes from Ben LaHaise:
 "First off, sorry for this pull request being late in the merge window.
  Al had raised a couple of concerns about 2 items in the series below.
  I addressed the first issue (the race introduced by Gu's use of
  mm_populate()), but he has not provided any further details on how he
  wants to rework the anon_inode.c changes (which were sent out months
  ago but have yet to be commented on).

  The bulk of the changes have been sitting in the -next tree for a few
  months, with all the issues raised being addressed"

* git://git.kvack.org/~bcrl/aio-next: (22 commits)
  aio: rcu_read_lock protection for new rcu_dereference calls
  aio: fix race in ring buffer page lookup introduced by page migration support
  aio: fix rcu sparse warnings introduced by ioctx table lookup patch
  aio: remove unnecessary debugging from aio_free_ring()
  aio: table lookup: verify ctx pointer
  staging/lustre: kiocb->ki_left is removed
  aio: fix error handling and rcu usage in "convert the ioctx list to table lookup v3"
  aio: be defensive to ensure request batching is non-zero instead of BUG_ON()
  aio: convert the ioctx list to table lookup v3
  aio: double aio_max_nr in calculations
  aio: Kill ki_dtor
  aio: Kill ki_users
  aio: Kill unneeded kiocb members
  aio: Kill aio_rw_vect_retry()
  aio: Don't use ctx->tail unnecessarily
  aio: io_cancel() no longer returns the io_event
  aio: percpu ioctx refcount
  aio: percpu reqs_available
  aio: reqs_active -> reqs_available
  aio: fix build when migration is disabled
  ...
2013-09-13 10:55:58 -07:00
Linus Torvalds
399a946edb Merge branch 'genirq' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull generic hardirq option removal from Martin Schwidefsky:
 "All architectures now use generic hardirqs, s390 has been last to
  switch.

  With that the code under !CONFIG_GENERIC_HARDIRQS and the related
  HAVE_GENERIC_HARDIRQS and GENERIC_HARDIRQS config options can be
  removed.  Yay!"

* 'genirq' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  Remove GENERIC_HARDIRQ config option
2013-09-13 07:31:38 -07:00
Linus Torvalds
183c420323 Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig fix from Michal Marek:
 "This is a fix for a regression caused by my previous pull request.

  A sed command in scripts/config that used colons as separator was
  accidentally changed to use slashes, which fails when you use slashes
  in a value.  Changing it back to colons is of course not a proper fix,
  but at least it will be broken in the same way it had been for four
  years.  A proper fix is pending"

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/config: fix variable substitution command
2013-09-13 07:30:17 -07:00
Linus Torvalds
951a730af4 blackfin updates for Linux 3.12
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Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux

Pull blackfin updates from Steven Miao.

* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
  blackfin: Ignore generated uImages
  blackfin: Add STMMAC platform data to enable dwmac1000 driver on BF60x.
  bf609: adv7343: add S-Video and Component output support
  bf609: add adv7343 video encoder support
  clock: add stmmac clock for ethernet driver
  blackfin: scb: Add SCB1 to SCB9 config options and data.
  blackfin: scb: Add system crossbar init code.
2013-09-13 07:23:49 -07:00
Linus Torvalds
0898d2aa9d Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a 7+ year race condition in the crypto API that causes
  sporadic crashes when multiple threads load the same algorithm.

  It also fixes the crct10dif algorithm again to prevent boot failures
  on systems where the initramfs tool ignores module softdeps"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: crct10dif - Add fallback for broken initrds
  crypto: api - Fix race condition in larval lookup
2013-09-13 07:11:14 -07:00
Markos Chandras
1b4676330a MIPS: kernel: vpe: Make vpe_attrs an array of pointers.
Commit 567b21e973
"mips: convert vpe_class to use dev_groups"

broke the build on MIPS since vpe_attrs should be an array
of 'struct device_attribute' pointers.

Fixes the following build problem:
arch/mips/kernel/vpe.c:1372:2: error: missing braces around initializer
[-Werror=missing-braces]
arch/mips/kernel/vpe.c:1372:2: error: (near initialization for 'vpe_attrs[0]')
[-Werror=missing-braces]

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: John Crispin <blogic@openwrt.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5819/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-09-13 15:12:48 +02:00
Martin Schwidefsky
0244ad004a Remove GENERIC_HARDIRQ config option
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-09-13 15:09:52 +02:00