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* [PATCH 3/4] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma
@ 2021-05-03 15:26 ` Guillaume Ranquet
  0 siblings, 0 replies; 3+ messages in thread
From: Guillaume Ranquet @ 2021-05-03 15:26 UTC (permalink / raw)
  Cc: Sean Wang, Vinod Koul, Dan Williams, Matthias Brugger, dmaengine,
	linux-arm-kernel, linux-mediatek, linux-kernel

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>

diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c
b/drivers/dma/mediatek/mtk-uart-apdma.c
index 249cabddb7ee..4711bec04b98 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c
@@ -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;

-- 
2.26.3

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH 3/4] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma
@ 2021-05-03 15:26 ` Guillaume Ranquet
  0 siblings, 0 replies; 3+ messages in thread
From: Guillaume Ranquet @ 2021-05-03 15:26 UTC (permalink / raw)
  Cc: Sean Wang, Vinod Koul, Dan Williams, Matthias Brugger, dmaengine,
	linux-arm-kernel, linux-mediatek, linux-kernel

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>

diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c
b/drivers/dma/mediatek/mtk-uart-apdma.c
index 249cabddb7ee..4711bec04b98 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c
@@ -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;

-- 
2.26.3

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH 3/4] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma
@ 2021-05-03 15:26 ` Guillaume Ranquet
  0 siblings, 0 replies; 3+ messages in thread
From: Guillaume Ranquet @ 2021-05-03 15:26 UTC (permalink / raw)
  Cc: Sean Wang, Vinod Koul, Dan Williams, Matthias Brugger, dmaengine,
	linux-arm-kernel, linux-mediatek, linux-kernel

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>

diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c
b/drivers/dma/mediatek/mtk-uart-apdma.c
index 249cabddb7ee..4711bec04b98 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c
@@ -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;

-- 
2.26.3

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-05-03 15:30 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-05-03 15:26 [PATCH 3/4] dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma Guillaume Ranquet
2021-05-03 15:26 ` Guillaume Ranquet
2021-05-03 15:26 ` Guillaume Ranquet

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