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.le...@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

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