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Subject[PATCH 8/8] ASoC: pxa: use gen_pool_dma_alloc() to allocate dma buffer
Date
Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
---
sound/soc/pxa/mmp-pcm.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 8235e23..7929e19 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -201,10 +201,9 @@ static int mmp_pcm_preallocate_dma_buffer(struct snd_pcm_substream *substream,
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;
}
--
1.8.4



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