linux.git/sound/core/memalloc.c, branch v2.6.35-rc4 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git ALSA: Fix SG-buffer DMA with non-coherent architectures 2009-07-08T12:20:20+00:00 Takashi Iwai tiwai@suse.de 2008-06-17T14:39:06+00:00 cc6a8acdeee932f6911d8b236d2c7d6bcc4616f6 Using SG-buffers with dma_alloc_coherent() is often very inefficient on non-coherent architectures because a tracking record could be allocated in addition for each dma_alloc_coherent() call. Instead, simply disable SG-buffers but just allocate normal continuous buffers on non-supported (currently all but x86) architectures. Signed-off-by: Takashi Iwai <tiwai@suse.de> 
Using SG-buffers with dma_alloc_coherent() is often very inefficient
on non-coherent architectures because a tracking record could be
allocated in addition for each dma_alloc_coherent() call.
Instead, simply disable SG-buffers but just allocate normal continuous
buffers on non-supported (currently all but x86) architectures.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-10-11T19:39:35+00:00 David S. Miller davem@davemloft.net 2008-10-11T19:39:35+00:00 56c5d900dbb8e042bfad035d18433476931d8f93 Conflicts: sound/core/memalloc.c 
Conflicts:

	sound/core/memalloc.c
alsa: Remove special SBUS dma support code. 2008-08-29T09:14:58+00:00 David S. Miller davem@davemloft.net 2008-08-27T07:33:26+00:00 759ee81be6d87c150ea2b300c221b4fec8b5f646 No longer used. Signed-off-by: David S. Miller <davem@davemloft.net> 
No longer used.

Signed-off-by: David S. Miller <davem@davemloft.net>
sparc: Convert all SBUS drivers to dma_*() interfaces. 2008-08-29T09:13:15+00:00 David S. Miller davem@davemloft.net 2008-08-28T01:09:11+00:00 738f2b7b813913e651f39387d007dd961755dee2 And all the SBUS dma interfaces are deleted. A private implementation remains inside of the 32-bit sparc port which exists only for the sake of the implementation of dma_*(). Signed-off-by: David S. Miller <davem@davemloft.net> 
And all the SBUS dma interfaces are deleted.

A private implementation remains inside of the 32-bit sparc port which
exists only for the sake of the implementation of dma_*().

Signed-off-by: David S. Miller <davem@davemloft.net>
sparc: Make SBUS DMA interfaces take struct device. 2008-08-29T09:13:12+00:00 David S. Miller davem@davemloft.net 2008-08-28T01:37:58+00:00 7a715f46012f3552294154978aed59cba9804928 This is the first step in converting all the SBUS drivers over to generic dma_*(). Signed-off-by: David S. Miller <davem@davemloft.net> 
This is the first step in converting all the SBUS drivers
over to generic dma_*().

Signed-off-by: David S. Miller <davem@davemloft.net>
ALSA: Fix allocation size calculation in snd_dma_alloc_pages_fallback() 2008-08-25T07:57:19+00:00 Takashi Iwai tiwai@suse.de 2008-07-30T13:13:33+00:00 4e184f8fc06411f35fdcf4b9bc6187c857bf7214 snd_dma_alloc_pages_fallback() always tries to reduce the size in a half, but it's not good when the given size isn't a power-of-two. Check it first then try to align. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> 
snd_dma_alloc_pages_fallback() always tries to reduce the size in a half,
but it's not good when the given size isn't a power-of-two.
Check it first then try to align.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
ALSA: Clean up SG-buffer helper functions and macros 2008-08-25T07:57:18+00:00 Takashi Iwai tiwai@suse.de 2008-08-21T11:00:13+00:00 77a23f2695bb2de0cd74599400dc55109c531b72 Clean up SG-buffer helper functions and macros. Helpers take substream as arguments now. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> 
Clean up SG-buffer helper functions and macros.  Helpers take substream
as arguments now.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
ALSA: Kill snd_assert() in sound/core/* 2008-08-13T09:46:35+00:00 Takashi Iwai tiwai@suse.de 2008-08-08T15:09:09+00:00 7eaa943c8ed8e91e05d0f5d0dc7a18e3319b45cf Kill snd_assert() in sound/core/*, either removed or replaced with if () with snd_BUG_ON(). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> 
Kill snd_assert() in sound/core/*, either removed or replaced with
if () with snd_BUG_ON().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
[ALSA] Remove unneeded ugly hack for i386 in memalloc.c 2008-05-19T11:19:15+00:00 Takashi Iwai tiwai@suse.de 2008-05-09T10:45:56+00:00 c17cf06bfc4417a79d452c266e819c510f6a8344 The hack for dma_alloc_coherent() is no longer needed on 2.6.26 since the base code was improved. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz> 
The hack for dma_alloc_coherent() is no longer needed on 2.6.26 since
the base code was improved.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
sound: use non-racy method for /proc/driver/snd-page-alloc creation 2008-04-29T15:06:20+00:00 Denis V. Lunev den@openvz.org 2008-04-29T08:02:13+00:00 7bf4e6d3e948e38893c718fa9c5bd0dfbfa49670 Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to main tree. Signed-off-by: Denis V. Lunev <den@openvz.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Jaroslav Kysela <perex@suse.cz> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
Use proc_create() to make sure that ->proc_fops be setup before gluing PDE to
main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>