Commit e0c950d2 authored May 13, 2021 by Guillaume Ranquet Committed by Sasha Levin Jun 30, 2021

dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma



[ 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>

parent f7b1926c

drivers/dma/mediatek/mtk-uart-apdma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;