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authorChristophe Leroy <christophe.leroy@csgroup.eu>2022-10-06 07:17:07 +0200
committerDamien Le Moal <damien.lemoal@opensource.wdc.com>2022-10-17 04:38:15 +0200
commit1dea5edc90855cab8359b599128e3f322803cd09 (patch)
tree40098cae735bf0313e9f5d67ee5e5c3ba7f9eb82 /drivers/ata
parentata: libahci: read correct status and error field for NCQ commands (diff)
downloadlinux-1dea5edc90855cab8359b599128e3f322803cd09.tar.xz
linux-1dea5edc90855cab8359b599128e3f322803cd09.zip
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: 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>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/pata_mpc52xx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 6559b606736d..3ebd6522a1fd 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -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;
}