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* [PATCH] video: fbdev: mb862xx: Replace NO_IRQ by 0
@ 2022-10-06  5:33 Christophe Leroy
  2022-10-08 12:57 ` Helge Deller
  0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2022-10-06  5:33 UTC (permalink / raw)
  To: Helge Deller; +Cc: Christophe Leroy, linux-kernel, linux-fbdev, dri-devel

NO_IRQ is used to check the return of irq_of_parse_and_map().

On some architecture NO_IRQ is 0, on other architectures it is -1.

irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.

So use 0 instead of using NO_IRQ.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index a7508f5be343..3f605d2d8f0c 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -692,7 +692,7 @@ static int of_platform_mb862xx_probe(struct platform_device *ofdev)
 	par->dev = dev;
 
 	par->irq = irq_of_parse_and_map(np, 0);
-	if (par->irq == NO_IRQ) {
+	if (!par->irq) {
 		dev_err(dev, "failed to map irq\n");
 		ret = -ENODEV;
 		goto fbrel;
-- 
2.37.1


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

* Re: [PATCH] video: fbdev: mb862xx: Replace NO_IRQ by 0
  2022-10-06  5:33 [PATCH] video: fbdev: mb862xx: Replace NO_IRQ by 0 Christophe Leroy
@ 2022-10-08 12:57 ` Helge Deller
  0 siblings, 0 replies; 2+ messages in thread
From: Helge Deller @ 2022-10-08 12:57 UTC (permalink / raw)
  To: Christophe Leroy; +Cc: linux-kernel, linux-fbdev, dri-devel

On 10/6/22 07:33, Christophe Leroy wrote:
> NO_IRQ is used to check the return of irq_of_parse_and_map().
>
> On some architecture NO_IRQ is 0, on other architectures it is -1.
>
> irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.
>
> So use 0 instead of using NO_IRQ.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>

applied.
Thanks!

Helge


> ---
>   drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
> index a7508f5be343..3f605d2d8f0c 100644
> --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
> +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
> @@ -692,7 +692,7 @@ static int of_platform_mb862xx_probe(struct platform_device *ofdev)
>   	par->dev = dev;
>
>   	par->irq = irq_of_parse_and_map(np, 0);
> -	if (par->irq == NO_IRQ) {
> +	if (!par->irq) {
>   		dev_err(dev, "failed to map irq\n");
>   		ret = -ENODEV;
>   		goto fbrel;


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

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2022-10-06  5:33 [PATCH] video: fbdev: mb862xx: Replace NO_IRQ by 0 Christophe Leroy
2022-10-08 12:57 ` Helge Deller

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