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dmaengine: xilinx_dma: Alloc tx descriptors GFP_NOWAIT

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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: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210129170800.31857-1-rf@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Richard Fitzgerald 2021-01-29 17:08:00 +00:00 committed by Vinod Koul
parent f80f7c96f7
commit ba61c36920
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/xilinx/xilinx_dma.c
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@ -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;