Commit ba61c369 authored by Richard Fitzgerald's avatar Richard Fitzgerald Committed by Vinod Koul
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dmaengine: xilinx_dma: Alloc tx descriptors GFP_NOWAIT 



Use GFP_NOWAIT allocation in xilinx_dma_alloc_tx_descriptor().

This is necessary for compatibility with ALSA, which calls
dmaengine_prep_dma_cyclic() from an atomic context.

Signed-off-by: default avatarRichard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210129170800.31857-1-rf@opensource.cirrus.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f80f7c96

drivers/dma/xilinx/xilinx_dma.c

+1 −1
Original line number Diff line number Diff line
@@ -800,7 +800,7 @@ xilinx_dma_alloc_tx_descriptor(struct xilinx_dma_chan *chan) 
{

	struct xilinx_dma_tx_descriptor *desc;



	desc = kzalloc(sizeof(*desc), GFP_KERNEL);

	desc = kzalloc(sizeof(*desc), GFP_NOWAIT);

	if (!desc)

		return NULL;