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;