diff options
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 0ed6c6e99ff4..3642ca4d07bd 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -373,6 +373,7 @@ static int sdma_run_channel(struct sdma_channel *sdmac) init_completion(&sdmac->done); + wmb(); __raw_writel(1 << channel, sdma->regs + SDMA_H_START); ret = wait_for_completion_timeout(&sdmac->done, HZ); @@ -768,6 +769,7 @@ out: static void sdma_enable_channel(struct sdma_engine *sdma, int channel) { + wmb(); __raw_writel(1 << channel, sdma->regs + SDMA_H_START); } |