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 Cc: Sascha Hauer s.hauer@pengutronix.de Cc: Liam Girdwood lrg@ti.com Cc: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/imx/imx-ssi.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 10a8e27..3b8d5cd 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,