Commit Graph

565 Commits

Author SHA1 Message Date
Tejun Heo
5a0e3ad6af include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files.  percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.

percpu.h -> slab.h dependency is about to be removed.  Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability.  As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.

  http://userweb.kernel.org/~tj/misc/slabh-sweep.py

The script does the followings.

* Scan files for gfp and slab usages and update includes such that
  only the necessary includes are there.  ie. if only gfp is used,
  gfp.h, if slab is used, slab.h.

* When the script inserts a new include, it looks at the include
  blocks and try to put the new include such that its order conforms
  to its surrounding.  It's put in the include block which contains
  core kernel includes, in the same order that the rest are ordered -
  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
  doesn't seem to be any matching order.

* If the script can't find a place to put a new include (mostly
  because the file doesn't have fitting include block), it prints out
  an error message indicating which .h file needs to be added to the
  file.

The conversion was done in the following steps.

1. The initial automatic conversion of all .c files updated slightly
   over 4000 files, deleting around 700 includes and adding ~480 gfp.h
   and ~3000 slab.h inclusions.  The script emitted errors for ~400
   files.

2. Each error was manually checked.  Some didn't need the inclusion,
   some needed manual addition while adding it to implementation .h or
   embedding .c file was more appropriate for others.  This step added
   inclusions to around 150 files.

3. The script was run again and the output was compared to the edits
   from #2 to make sure no file was left behind.

4. Several build tests were done and a couple of problems were fixed.
   e.g. lib/decompress_*.c used malloc/free() wrappers around slab
   APIs requiring slab.h to be added manually.

5. The script was run on all .h files but without automatically
   editing them as sprinkling gfp.h and slab.h inclusions around .h
   files could easily lead to inclusion dependency hell.  Most gfp.h
   inclusion directives were ignored as stuff from gfp.h was usually
   wildly available and often used in preprocessor macros.  Each
   slab.h inclusion directive was examined and added manually as
   necessary.

6. percpu.h was updated not to include slab.h.

7. Build test were done on the following configurations and failures
   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
   distributed build env didn't work with gcov compiles) and a few
   more options had to be turned off depending on archs to make things
   build (like ipr on powerpc/64 which failed due to missing writeq).

   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
   * powerpc and powerpc64 SMP allmodconfig
   * sparc and sparc64 SMP allmodconfig
   * ia64 SMP allmodconfig
   * s390 SMP allmodconfig
   * alpha SMP allmodconfig
   * um on x86_64 SMP allmodconfig

8. percpu.h modifications were reverted so that it could be applied as
   a separate patch and serve as bisection point.

Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.

Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-30 22:02:32 +09:00
Jarkko Nikula
0f17014b34 ALSA: pcm_lib - fix xrun functionality
The commit 4d96eb255c broke the interrupt
time xrun functionality (stream stop etc.) if the CONFIG_SND_PCM_XRUN_DEBUG
is not set. This is because the xrun() is null defined without it.

Fix this by letting the function xrun() to be always defined as it was
before.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-03-26 15:26:38 +01:00
Jaroslav Kysela
b30477d5e2 ALSA: timer - pass real event in snd_timer_notify1() to instance callback
Do not use hardcoded SNDRV_TIMER_EVENT_START value.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-03-03 22:39:45 +01:00
Takashi Iwai
7fb3a069bc Merge branch 'fix/misc' into topic/misc
Conflicts:
	sound/pci/hda/patch_realtek.c
2010-02-17 14:24:46 +01:00
Takashi Iwai
9d3415a8cc Merge remote branch 'alsa/fixes' into fix/misc 2010-02-17 14:22:21 +01:00
Jaroslav Kysela
3be522a951 ALSA: pcm core - fix fifo_size channels interval check
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Cc: <stable@kernel.org>
2010-02-16 12:00:20 +01:00
Thadeu Lima de Souza Cascardo
c85a400499 ALSA: trivial: sound seq ioctl dbg: print hexadecimal value padded with 0s
Instead of padding with blanks and printing "number=0x a", print
"number=0x0a".

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-02-02 00:27:47 +01:00
Takashi Iwai
30ede1b9f0 Merge remote branch 'alsa/devel' into topic/misc 2010-02-01 15:46:00 +01:00
Clemens Ladisch
6123637faf sound: control: fix minimum TLV length
Allow TLV blocks that do not have any values; the smallest possible TLV
is an empty container or one where the information is only in the tag.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-02-01 14:12:12 +01:00
Clemens Ladisch
a75d7a4cf5 sound: control: actually allow TLV command access
Creating a control with TLV_COMMAND access was not possible because
snd_ctl_new1() forgot to include it in the mask of allowable access
bits.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-02-01 14:11:52 +01:00
Jaroslav Kysela
7910b4a1db ALSA: pcm_native - fix runtime->boundary calculation
The code in pcm_lib updating runtime->hw_ptr_interrupt expects
that runtime->boundary is divisible with runtime->period_size.
Thanks are going to Clemens Ladisch for the notice.

Fix the runtime->boundary calculation using buffer_size * period_size
as base and find a least common multiple for 32bit platforms when
the expression might overflow.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-27 18:17:27 +01:00
Takashi Iwai
d0d2c38e39 Merge remote branch 'alsa/devel' into topic/misc 2010-01-26 18:13:04 +01:00
Jaroslav Kysela
e763692578 ALSA: pcm_lib - return back hw_ptr_interrupt
Clemens Ladisch noted for hw_ptr_removal in "cleanup & merge hw_ptr
update functions" commit:

"It is possible for the status/delay ioctls to be called when the sound
card's pointer register alreay shows a position at the beginning of the
new period, but immediately before the interrupt is actually executed.
(This happens regularly on a SMP machine with mplayer.)  When that
happens, the code thinks that the position must be at least one period
ahead of the current position and drops an entire buffer of data."

Return back the hw_ptr_interrupt variable. The last interrupt pointer
is always computed from the latest hw_ptr instead of tracking it
separately (in this case all hw_ptr checks and modifications might
influence also hw_ptr_interrupt and it is difficult to keep it
consistent).

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-26 17:50:50 +01:00
Takashi Iwai
6250b9ced2 Merge branch 'topic/noncached-mmap' into topic/misc 2010-01-21 15:27:28 +01:00
Takashi Iwai
8b296c8f9f Merge remote branch 'alsa/devel' into topic/misc 2010-01-21 14:27:14 +01:00
Jaroslav Kysela
c91a988dc6 ALSA: pcm_core: Fix wake_up() optimization
This change fixes the "ALSA: pcm_lib - optimize wake_up() calls for PCM I/O"
commit. New sleeping queue is introduced to separate user space and kernel
space wake_ups. runtime->nowake is renamed to twake (transfer wake).

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-21 10:32:15 +01:00
Takashi Iwai
88501ce18e Merge remote branch 'alsa/devel' into topic/misc 2010-01-18 18:23:23 +01:00
Clemens Ladisch
a32f66746c sound: seq_timer: simplify snd_seq_timer_set_tick_resolution() parameters
As snd_seq_timer_set_tick_resolution() is always called with the same
three fields of struct snd_seq_timer, it suffices to give that as the
only parameter.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-18 16:38:30 +01:00
Takashi Iwai
c32d977b81 ALSA: pcm - Call pgprot_noncached() for vmalloc'ed buffers
pgprot_noncached() can be set for vmalloc'ed buffers safely, and we'd
need non-cached behavior more or less, even for the intermediate ring-
buffers.

Now snd_pcm_lib_mmap_vmalloc() is added as the common PCM mmap callback
that is coupled with snd_pcm_lib_alloc_vmalloc_buffer() & co.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-01-18 15:00:34 +01:00
Takashi Iwai
3e879d7bac ALSA: pcm - Remove unneeded ifdef pgprot_noncached
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-01-18 14:49:50 +01:00
Takashi Iwai
808c569f36 ALSA: Remove warning message for invalid OSS minor ranges
When a card instance with a higher card number is registered, warning
messages are spewed eventually with stack traces due to the invalid minor
number for OSS device registration.  For example, thinkpad-acpi registers
the card number 29 as default, and you'll see always these messages.
This is rather confusing (and worries users), thus better to return
simply the error code.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-01-18 14:18:55 +01:00
Thadeu Lima de Souza Cascardo
c181a13a41 ALSA: use subsys_initcall for sound core instead of module_init
This is needed for built-in drivers which are built before the sound directory,
like thinkpad_acpi.

Otherwise, registering a card fails.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-01-14 21:21:47 +01:00
Takashi Iwai
d1458279bf ALSA: Add snd_pci_quirk_lookup_id()
Added a new function to look up a quirk entry with the given PCI SSID
instead of a pci device pointer.  This can be used when the searched ID
is overridden for debugging or such a purpose.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-01-14 09:18:48 +01:00
Takashi Iwai
47e9134845 Merge branch 'devel' of git.alsa-project.org:alsa-kernel into topic/misc 2010-01-13 08:32:53 +01:00
Jaroslav Kysela
ed69c6a8ee ALSA: pcm_lib - fix wrong delta print for jiffies check
The previous jiffies delta was 0 in all cases. Use hw_ptr variable to
store and print original value.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-13 08:12:31 +01:00
Takashi Iwai
a29fb94ff4 Merge commit alsa/devel into topic/misc
Conflicts:
	include/sound/version.h
2010-01-12 09:40:08 +01:00
Jaroslav Kysela
a4ad68d57e Merge branch 'topic/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel 2010-01-08 09:11:18 +01:00
Jaroslav Kysela
7b3a177b0d ALSA: pcm_lib: fix "something must be really wrong" condition
When runtime->periods == 1 or when pointer crosses end of ring buffer,
the delta might be greater than buffer_size.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-08 08:46:45 +01:00
Jaroslav Kysela
1250932e48 ALSA: pcm_lib - optimize wake_up() calls for PCM I/O
As noted by pl bossart <bossart.nospam@gmail.com>, the PCM I/O routines
(snd_pcm_lib_write1, snd_pcm_lib_read1) should block wake_up() calls
until all samples are not processed.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-07 15:48:13 +01:00
Jaroslav Kysela
f240406bab ALSA: pcm_lib - cleanup & merge hw_ptr update functions
Do general cleanup in snd_pcm_update_hw_ptr*() routines and merge them.
The main change is hw_ptr_interrupt variable removal to simplify code
logic. This variable can be computed directly from hw_ptr.

Ensure that updated hw_ptr is not lower than previous one (it was possible
with old code in some obscure situations when interrupt was delayed or
the lowlevel driver returns wrong ring buffer position value).

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-07 15:47:38 +01:00
Jaroslav Kysela
4d96eb255c ALSA: pcm_lib - add possibility to log last 10 DMA ring buffer positions
In some debug cases, it might be usefull to see previous ring buffer
positions to determine position problems from the lowlevel drivers.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-07 15:47:24 +01:00
Jaroslav Kysela
741b20cfb9 ALSA: pcm_lib.c - convert second xrun_debug() parameter to use defines
To increase code readability, convert send xrun_debug() argument to
use defines.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2010-01-07 15:47:10 +01:00
Takashi Iwai
52e04ea89d Merge branch 'fix/misc' into topic/misc 2009-12-25 14:15:31 +01:00
Guennadi Liakhovetski
8b90ca0882 ALSA: Fix indentation in pcm_native.c
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-25 14:12:52 +01:00
Florian Fainelli
a9605391cf ALSA: sound/core/pcm_timer.c: use lib/gcd.c
Make sound/core/pcm_timer.c use lib/gcd.c

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-22 08:24:35 +01:00
Krzysztof Helt
8374e24c23 ALSA: refine rate selection in snd_interval_ratnum()
Refine the rate selection by choosing the rate
closer to the requested one in case of selecting
single frequency. Previously, the higher rate was
always selected.

Also, fix problem with the best_diff unsigned int
value wrapping (turning negative).

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-22 07:58:07 +01:00
Takashi Iwai
cb3b04debb Merge branch 'fix/misc' into topic/misc 2009-12-22 07:57:54 +01:00
Takashi Iwai
ee7c343c01 ALSA: pcm - Add missing inclusion of linux/vmalloc.h
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-21 12:41:37 +01:00
Krzysztof Helt
40962d7c74 ALSA: fix incorrect rounding direction in snd_interval_ratnum()
The direction of rounding is incorrect in the snd_interval_ratnum()
It was detected with following parameters (sb8 driver playing
8kHz stereo file):
 - num is always 1000000
 - requested frequency rate is from 7999 to 7999 (single frequency)

The first loop calculates div_down(num, freq->min) which is 125.
Thus, a frequency range's minimum value is 1000000 / 125 = 8000 Hz.
The second loop calculates div_up(num, freq->max) which is 126
The frequency range's maximum value is 1000000 / 126 = 7936 Hz.
The range maximum is lower than the range minimum so the function
fails due to empty result range.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-21 12:02:55 +01:00
Clemens Ladisch
681b84e177 sound: pcm: add vmalloc buffer helper functions
There are now five copies of the code to allocate a PCM buffer using
vmalloc().  Add a sixth in the core so that the others can be removed.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-18 12:54:01 +01:00
Linus Torvalds
6eb7365db6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Overwrite pin config on intel DG45ID board.
  intelhdmi - dont power off HDA link
  ALSA: hrtimer - Fix lock-up
  ALSA: intelhdmi - add channel mapping for typical configurations
  ALSA: intelhdmi - channel mapping applies to Pin
  ALSA: intelhdmi - accept DisplayPort pin
  ALSA: hda - show HBR(High Bit Rate) pin cap in procfs
  ALSA: hda - Fix LED GPIO setup for HP laptops with IDT codecs
  ASoC: Fix build of OMAP sound drivers
  ALSA: opti93x: fix irq releasing if the irq cannot be allocated
2009-12-12 11:40:50 -08:00
Takashi Iwai
fcfdebe707 ALSA: hrtimer - Fix lock-up
The timer stop callback can be called from snd_timer_interrupt(), which
is called from the hrtimer callback.  Since hrtimer_cancel() waits for
the callback completion, this eventually results in a lock-up.

This patch fixes the problem by just toggling a flag at stop callback
and call hrtimer_cancel() later.

Reported-and-tested-by: Wojtek Zabolotny <W.Zabolotny@elka.pw.edu.pl>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-12-11 12:53:27 +01:00
Christoph Hellwig
6b2f3d1f76 vfs: Implement proper O_SYNC semantics
While Linux provided an O_SYNC flag basically since day 1, it took until
Linux 2.4.0-test12pre2 to actually get it implemented for filesystems,
since that day we had generic_osync_around with only minor changes and the
great "For now, when the user asks for O_SYNC, we'll actually give
O_DSYNC" comment.  This patch intends to actually give us real O_SYNC
semantics in addition to the O_DSYNC semantics.  After Jan's O_SYNC
patches which are required before this patch it's actually surprisingly
simple, we just need to figure out when to set the datasync flag to
vfs_fsync_range and when not.

This patch renames the existing O_SYNC flag to O_DSYNC while keeping it's
numerical value to keep binary compatibility, and adds a new real O_SYNC
flag.  To guarantee backwards compatiblity it is defined as expanding to
both the O_DSYNC and the new additional binary flag (__O_SYNC) to make
sure we are backwards-compatible when compiled against the new headers.

This also means that all places that don't care about the differences can
just check O_DSYNC and get the right behaviour for O_SYNC, too - only
places that actuall care need to check __O_SYNC in addition.  Drivers and
network filesystems have been updated in a fail safe way to always do the
full sync magic if O_DSYNC is set.  The few places setting O_SYNC for
lower layers are kept that way for now to stay failsafe.

We enforce that O_DSYNC is set when __O_SYNC is set early in the open path
to make sure we always get these sane options.

Note that parisc really screwed up their headers as they already define a
O_DSYNC that has always been a no-op.  We try to repair it by using it for
the new O_DSYNC and redefinining O_SYNC to send both the traditional
O_SYNC numerical value _and_ the O_DSYNC one.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andreas Dilger <adilger@sun.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jan Kara <jack@suse.cz>
2009-12-10 15:02:50 +01:00
Takashi Iwai
57648cd52b Merge branch 'topic/misc' into for-linus 2009-12-04 16:22:37 +01:00
Takashi Iwai
b00615d163 Merge branch 'topic/pcm-dma-fix' into topic/core-change 2009-12-01 15:58:15 +01:00
Takashi Iwai
75639e7ee1 Merge branch 'topic/beep-rename' into topic/core-change 2009-12-01 15:58:10 +01:00
Takashi Iwai
6985c8877a ALSA: pcm - fix page conversion on non-coherent PPC arch
The non-cohernet PPC arch doesn't give the correct address by a simple
virt_to_page() for pages allocated via dma_alloc_coherent().
This patch adds a hack to fix the conversion similarly like MIPS.

Note that this doesn't fix perfectly: the pages should be marked with
proper pgprot value.  This will be done in a future implementation like
the conversion to dma_mmap_coherent().

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-27 10:15:23 +01:00
Takashi Iwai
66b6cfacfc ALSA: pcm - fix page conversion on non-coherent MIPS arch
The non-coherent MIPS arch doesn't give the correct address by a simple
virt_to_page() for pages allocated via dma_alloc_coherent().

Original patch by Wu Zhangjin <wuzj@lemote.com>.
[Ralf mentioned: "The origins of this patch go back far further.
 The oldest patch I could find which is a superset of this was written
 by Atsushi Nemoto and various incarnations of it have been sumitted
 to and reject by me a number of times through the years."]
A proper check of the buffer allocation type was added to avoid the
wrong conversion.

Note that this doesn't fix perfectly: the pages should be marked with
proper pgprot value.  This will be done in a future implementation like
the conversion to dma_mmap_coherent().

Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-27 10:12:40 +01:00
Takashi Iwai
9eb4a06788 ALSA: pcm - define snd_pcm_default_page_ops()
Add a helper (inline) function as the default page ops.  Any hacks wrt
the page address conversion will be applied in this function.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-26 15:07:21 +01:00
Takashi Iwai
657b1989da ALSA: pcm - Use dma_mmap_coherent() if available
Use dma_mmap_coherent() for mmapping the buffers allocated via
dma_alloc_coherent() if available.  Currently, only ARM has this function,
so we do temporarily have an ifdef pcm_native.c.  This should be handled
better globally in future.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-26 15:07:14 +01:00