[PATCH 1/4] dmaengine/ste_dma40: make the cyclic alloc NOWAIT

[Linus Walleij]

From: Robert Marklund <robert.marklund@xxxxxxxxxxxxxx>

This function may be initiated from IRQ context, so the allocation
must allocate NOWAIT memory.

Signed-off-by: Robert Marklund <robert.marklund@xxxxxxxxxxxxxx>
Reviewed-by: Rabin Vincent <rabin.vincent@xxxxxxxxxxxxxx>
Reviewed-by: Philippe Langlais <philippe.langlais@xxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/dma/ste_dma40.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 91d5ed7..58de946 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2110,7 +2110,7 @@ dma40_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t dma_addr,
 	struct scatterlist *sg;
 	int i;
 
-	sg = kcalloc(periods + 1, sizeof(struct scatterlist), GFP_KERNEL);
+	sg = kcalloc(periods + 1, sizeof(struct scatterlist), GFP_NOWAIT);
 	for (i = 0; i < periods; i++) {
 		sg_dma_address(&sg[i]) = dma_addr;
 		sg_dma_len(&sg[i]) = period_len;
-- 
1.7.3.2

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