sound/soc/davinci/davinci-pcm.c: use gen_pool_dma_alloc() in davinci-pcm.c

Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.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>

diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 8460edc..443e9e5 100644 (file)
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -267,10 +267,9 @@ static int allocate_sram(struct snd_pcm_substream *substream,
                return 0;
 
        ppcm->period_bytes_max = size;
-       iram_virt = (void *)gen_pool_alloc(sram_pool, size);
+       iram_virt = gen_pool_dma_alloc(sram_pool, size, &iram_phys);
        if (!iram_virt)
                goto exit1;
-       iram_phys = gen_pool_virt_to_phys(sram_pool, (unsigned)iram_virt);
        iram_dma = kzalloc(sizeof(*iram_dma), GFP_KERNEL);
        if (!iram_dma)
                goto exit2;