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dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma

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[ Upstream commit 9041575348 ]

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>
This commit is contained in:
Guillaume Ranquet 2021-05-13 21:26:42 +02:00 • committed by Sasha Levin
commit 93c2aac13b
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/mediatek/mtk-uart-apdma.c
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@ -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;