ASoC: imx-ssi: use dma_writecombine consistently
authorWolfram Sang <w.sang@pengutronix.de>
Thu, 25 Aug 2011 13:54:55 +0000 (15:54 +0200)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Wed, 31 Aug 2011 08:42:08 +0000 (09:42 +0100)
If the channel is allocated as writecombine, then mmaping it should also
use writecombine. Also, add a proper device for the call. Ported from a
similar fix for mach-mxs.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
sound/soc/imx/imx-ssi.c

index 10a8e27..3b8d5cd 100644 (file)
@@ -357,8 +357,8 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
        struct snd_pcm_runtime *runtime = substream->runtime;
        int ret;
 
-       ret = dma_mmap_coherent(NULL, vma, runtime->dma_area,
-                       runtime->dma_addr, runtime->dma_bytes);
+       ret = dma_mmap_writecombine(substream->pcm->card->dev, vma,
+               runtime->dma_area, runtime->dma_addr, runtime->dma_bytes);
 
        pr_debug("%s: ret: %d %p 0x%08x 0x%08x\n", __func__, ret,
                        runtime->dma_area,