Commit 64068853 authored Nov 06, 2018 by Lucas Stach Committed by Vinod Koul Dec 05, 2018

dmaengine: imx-sdma: use GFP_NOWAIT for dma descriptor allocations



DMA buffer descriptors aren't allocated from atomic context, so they
can use the less heavyweigth GFP_NOWAIT.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

parent b8603d2a

drivers/dma/imx-sdma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1214,7 +1214,7 @@ static int sdma_alloc_bd(struct sdma_desc *desc)
		int ret = 0;

		desc->bd = dma_zalloc_coherent(NULL, bd_size, &desc->bd_phys,
		GFP_ATOMIC);
		GFP_NOWAIT);
		if (!desc->bd) {
		ret = -ENOMEM;
		goto out;