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@xxxxxxxxxx> --- 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