diff options
| author | b02247 <b02247@freescale.com> | 2012-05-14 09:54:27 +0800 |
|---|---|---|
| committer | b02247 <b02247@freescale.com> | 2012-05-14 09:54:27 +0800 |
| commit | 7afdff149e1471023fc38c8aecd42082c1406faf (patch) | |
| tree | d6d1e3531ca2ab6ea9c892d18fa56822b3444dde /drivers | |
| parent | c37cb9cfaec38a389f665f9b32a9dcf2e2efb6be (diff) | |
ENGR00181680-2 No audio when play 3 streams after 3~10 seconds sometimes
sdma: bd is bufferable dma buffer, interrupt handler can not get correct
data after sdma script updated. Which will cause there is no interrupt
after failed period number times in the interrupt handler.
This is a workaround.
Signed-off-by: b02247 <b02247@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index b6c7211ccd52..306dcdd0dc38 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -789,7 +789,7 @@ static int sdma_request_channel(struct sdma_channel *sdmac) int channel = sdmac->channel; int ret = -EBUSY; - sdmac->bd = dma_alloc_coherent(NULL, PAGE_SIZE, &sdmac->bd_phys, GFP_KERNEL); + sdmac->bd = dma_alloc_noncached(NULL, PAGE_SIZE, &sdmac->bd_phys, GFP_KERNEL); if (!sdmac->bd) { ret = -ENOMEM; goto out; |