diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2015-03-03 13:38:14 +0200 |
|---|---|---|
| committer | Zefan Li <lizefan@huawei.com> | 2015-06-19 11:40:21 +0800 |
| commit | 95f6ecf4162e79fda556abae1df5088beb06ca05 (patch) | |
| tree | 5af4a4cb3acc6f3154ed270bb78b4848152b21d3 /sound | |
| parent | 4863cbc4c74d59556fc62c34fa8526becfc68aa3 (diff) | |
ASoC: omap-pcm: Correct dma mask
commit d51199a83a2cf82a291d19ee852c44caa511427d upstream.
DMA_BIT_MASK of 64 is not valid dma address mask for OMAPs, it should be
set to 32.
The 64 was introduced by commit (in 2009):
a152ff24b978 ASoC: OMAP: Make DMA 64 aligned
But the dma_mask and coherent_dma_mask can not be used to specify alignment.
Fixes: a152ff24b978 (ASoC: OMAP: Make DMA 64 aligned)
Reported-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
[lizf: Backported to 3.4: there's no dma_coerce_mask_and_coherent()]
Signed-off-by: Zefan Li <lizefan@huawei.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/omap/omap-pcm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 5a649da9122a..96bce55a7462 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -333,7 +333,7 @@ static struct snd_pcm_ops omap_pcm_ops = { .mmap = omap_pcm_mmap, }; -static u64 omap_pcm_dmamask = DMA_BIT_MASK(64); +static u64 omap_pcm_dmamask = DMA_BIT_MASK(32); static int omap_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) @@ -384,7 +384,7 @@ static int omap_pcm_new(struct snd_soc_pcm_runtime *rtd) if (!card->dev->dma_mask) card->dev->dma_mask = &omap_pcm_dmamask; if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(64); + card->dev->coherent_dma_mask = DMA_BIT_MASK(32); if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { ret = omap_pcm_preallocate_dma_buffer(pcm, |