[v2,4/4] dmaengine: imx-sdma: use GFP_NOWAIT for dma allocations
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Message ID 20180914170615.12659-4-l.stach@pengutronix.de
State New
Headers show
Series
  • [v2,1/4] Revert "dmaengine: imx-sdma: Use GFP_NOWAIT for dma allocations"
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Commit Message

Lucas Stach Sept. 14, 2018, 5:06 p.m. UTC
DMA buffer descriptors aren't allocated from atomic context, so they
can use the less heavyweigth GFP_NOWAIT.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/dma/imx-sdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index da41e8fbf151..ac189d3d985c 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1213,7 +1213,7 @@  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;