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dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma
[ 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>
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@ -349,7 +349,7 @@ static struct dma_async_tx_descriptor *mtk_uart_apdma_prep_slave_sg
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return NULL;
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/* Now allocate and setup the descriptor */
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d = kzalloc(sizeof(*d), GFP_ATOMIC);
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d = kzalloc(sizeof(*d), GFP_NOWAIT);
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if (!d)
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return NULL;
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