system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-09-29 07:50:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: imx-ssi: use dma_writecombine consistently

Browse source 
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>
This commit is contained in:
Wolfram Sang 2011-08-25 15:54:55 +02:00 committed by Mark Brown
parent 18a4eef3d5
commit d4ba7854c9
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
sound/soc/imx/imx-ssi.c
View 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,