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* [2/2] dmaengine: axi-dmac: Request IRQ with IRQF_SHARED
@ 2018-04-26 16:12 mdf
  0 siblings, 0 replies; 2+ messages in thread
From: mdf @ 2018-04-26 16:12 UTC (permalink / raw)
  To: linux-kernel; +Cc: dmaengine, vinod.koul, dan.j.williams, lars, Moritz Fischer

Request IRQ with IRQF_SHARED flag. This works since the interrupt
handler already checks if there is an actual IRQ pending and returns
IRQ_NONE otherwise.

Signed-off-by: Moritz Fischer <mdf@kernel.org>
---
 drivers/dma/dma-axi-dmac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 75ccedaa96d2..2bd195532882 100644
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -688,7 +688,7 @@ static int axi_dmac_probe(struct platform_device *pdev)
 		goto err_unregister_device;
 
 	ret = devm_request_irq(&pdev->dev, dmac->irq,
-			       axi_dmac_interrupt_handler, 0,
+			       axi_dmac_interrupt_handler, IRQF_SHARED,
 			       dev_name(&pdev->dev), dmac);
 	if (ret)
 		goto err_unregister_of;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [2/2] dmaengine: axi-dmac: Request IRQ with IRQF_SHARED
@ 2018-04-26 16:27 Lars-Peter Clausen
  0 siblings, 0 replies; 2+ messages in thread
From: Lars-Peter Clausen @ 2018-04-26 16:27 UTC (permalink / raw)
  To: Moritz Fischer, linux-kernel; +Cc: dmaengine, vinod.koul, dan.j.williams

On 04/26/2018 06:12 PM, Moritz Fischer wrote:
> Request IRQ with IRQF_SHARED flag. This works since the interrupt
> handler already checks if there is an actual IRQ pending and returns
> IRQ_NONE otherwise.
> 
> Signed-off-by: Moritz Fischer <mdf@kernel.org>

Acked-by: Lars-Peter Clausen <lars@metafoo.de>

Thanks.

> ---
>  drivers/dma/dma-axi-dmac.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
> index 75ccedaa96d2..2bd195532882 100644
> --- a/drivers/dma/dma-axi-dmac.c
> +++ b/drivers/dma/dma-axi-dmac.c
> @@ -688,7 +688,7 @@ static int axi_dmac_probe(struct platform_device *pdev)
>  		goto err_unregister_device;
>  
>  	ret = devm_request_irq(&pdev->dev, dmac->irq,
> -			       axi_dmac_interrupt_handler, 0,
> +			       axi_dmac_interrupt_handler, IRQF_SHARED,
>  			       dev_name(&pdev->dev), dmac);
>  	if (ret)
>  		goto err_unregister_of;
>
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^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2018-04-26 16:27 UTC | newest]

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2018-04-26 16:12 [2/2] dmaengine: axi-dmac: Request IRQ with IRQF_SHARED mdf
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2018-04-26 16:27 Lars-Peter Clausen

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