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ata: pata_mpc52xx: Replace NO_IRQ with 0

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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>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Christophe Leroy 2022-10-06 07:17:07 +02:00 committed by Damien Le Moal
parent 4ba09d2026
commit 1dea5edc90
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/pata_mpc52xx.c
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@ -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;
}