From: Lucas Stach <[email protected]> DMA buffer descriptors aren't allocated from atomic context, so they can use the less heavyweigth GFP_NOWAIT.
Signed-off-by: Lucas Stach <[email protected]> Signed-off-by: Robin Gong <[email protected]> --- drivers/dma/imx-sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 03d46f1..cb1b44d 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1214,7 +1214,7 @@ static int sdma_alloc_bd(struct sdma_desc *desc) int ret = 0; desc->bd = dma_zalloc_coherent(NULL, bd_size, &desc->bd_phys, - GFP_ATOMIC); + GFP_NOWAIT); if (!desc->bd) { ret = -ENOMEM; goto out; -- 2.7.4
