ASoC: imx-ssi: use dma_writecombine consistently

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index 10a8e2783751..3b8d5cd2516a 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -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,