Commit 92a2e1cb authored Nov 12, 2013 by Nicolin Chen Committed by Linus Torvalds Nov 13, 2013

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@freescale.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 1112b9e2

sound/soc/pxa/mmp-pcm.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}

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