[PATCH v2 3/3] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma
From: Guillaume Ranquet <hidden>
Date: 2021-05-13 19:27:18
Also in:
dmaengine, linux-mediatek, lkml
Subsystem:
dma generic offload engine subsystem, mediatek dma driver, the rest · Maintainers:
Vinod Koul, Sean Wang, Linus Torvalds
As recommended by the doc in: Documentation/drivers-api/dmaengine/provider.rst Use GFP_NOWAIT to not deplete the emergency pool. Signed-off-by: Guillaume Ranquet <redacted>
diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
index a09ab2dd3b46..375e7e647df6 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c@@ -349,7 +349,7 @@ static struct dma_async_tx_descriptor *mtk_uart_apdma_prep_slave_sg return NULL; /* Now allocate and setup the descriptor */ - d = kzalloc(sizeof(*d), GFP_ATOMIC); + d = kzalloc(sizeof(*d), GFP_NOWAIT); if (!d) return NULL;
--
2.26.3
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