Commit 1dea5edc authored by Christophe Leroy's avatar Christophe Leroy Committed by Damien Le Moal
Browse files

ata: pata_mpc52xx: Replace NO_IRQ with 0 



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: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: default avatarSergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: default avatarDamien Le Moal <damien.lemoal@opensource.wdc.com>
parent 4ba09d20

drivers/ata/pata_mpc52xx.c

+1 −1
Original line number Diff line number Diff line
@@ -731,7 +731,7 @@ static int mpc52xx_ata_probe(struct platform_device *op) 
		udma_mask = ATA_UDMA2 & ((1 << (*prop + 1)) - 1);



	ata_irq = irq_of_parse_and_map(op->dev.of_node, 0);

	if (ata_irq == NO_IRQ) {

	if (!ata_irq) {

		dev_err(&op->dev, "error mapping irq\n");

		return -EINVAL;

	}