| From | Sasha Levin <> | Subject | [PATCH 5.4 20/71] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma | Date | Mon, 28 Jun 2021 10:29:13 -0400 |
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From: Guillaume Ranquet <granquet@baylibre.com>
[ Upstream commit 9041575348b21ade1fb74d790f1aac85d68198c7 ]
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 <granquet@baylibre.com>
Link: https://lore.kernel.org/r/20210513192642.29446-4-granquet@baylibre.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/dma/mediatek/mtk-uart-apdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c index e420e9f72b3d..9c0ea13ca788 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; -- 2.30.2
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