Subject: + sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer.patch added to -mm tree
To: b42378@xxxxxxxxxxxxx,broonie@xxxxxxxxxx,eric.y.miao@xxxxxxxxx,haojian.zhuang@xxxxxxxxx,lgirdwood@xxxxxxxxx,linux@xxxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 04 Nov 2013 14:17:15 -0800
The patch titled
Subject: sound/soc/pxa/mmp-pcm.c: use gen_pool_dma_alloc() to allocate dma buffer
has been added to the -mm tree. Its filename is
sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer.patch
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------------------------------------------------------
From: Nicolin Chen <b42378@xxxxxxxxxxxxx>
Subject: sound/soc/pxa/mmp-pcm.c: use gen_pool_dma_alloc() to allocate dma buffer
Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.
Signed-off-by: Nicolin Chen <b42378@xxxxxxxxxxxxx>
Cc: Eric Miao <eric.y.miao@xxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: Haojian Zhuang <haojian.zhuang@xxxxxxxxx>
Cc: Liam Girdwood <lgirdwood@xxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
sound/soc/pxa/mmp-pcm.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN sound/soc/pxa/mmp-pcm.c~sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer sound/soc/pxa/mmp-pcm.c
--- a/sound/soc/pxa/mmp-pcm.c~sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer
+++ a/sound/soc/pxa/mmp-pcm.c
@@ -201,10 +201,9 @@ static int mmp_pcm_preallocate_dma_buffe
if (!gpool)
return -ENOMEM;
- buf->area = (unsigned char *)gen_pool_alloc(gpool, size);
+ buf->area = gen_pool_dma_alloc(gpool, size, &buf->addr);
if (!buf->area)
return -ENOMEM;
- buf->addr = gen_pool_virt_to_phys(gpool, (unsigned long)buf->area);
buf->bytes = size;
return 0;
}
_
Patches currently in -mm which might be from b42378@xxxxxxxxxxxxx are
linux-next.patch
lib-genalloc-add-a-helper-function-for-dma-buffer-allocation.patch
arch-arm-mach-davinci-sramc-use-gen_pool_dma_alloc-to-sramc.patch
drivers-dma-mmp_tdmac-use-gen_pool_dma_alloc-to-allocate-descriptor.patch
drivers-media-platform-codac-use-gen_pool_dma_alloc-to-allocate-iram-buffer.patch
drivers-uio-uio_prussc-use-gen_pool_dma_alloc-to-allocate-sram-memory.patch
sound-soc-davinci-davinci-pcmc-use-gen_pool_dma_alloc-in-davinci-pcmc.patch
sound-soc-pxa-mmp-pcmc-use-gen_pool_dma_alloc-to-allocate-dma-buffer.patch
sound-core-memallocc-use-gen_pool_dma_alloc-to-allocate-iram-buffer.patch
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