Interrupt vector 0 is valid on some platform. arasan driver wrongly treated interrupt vector 0 as invalid. We fix it in libata, and fix it in this driver as well. Signed-off-by: Chaohong guo <chaohong.guo@xxxxxxxxx> --- drivers/ata/pata_arasan_cf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index ebecab8c3f36..133c7466a875 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -817,9 +817,9 @@ static int arasan_cf_probe(struct platform_device *pdev) else quirk = CF_BROKEN_UDMA; /* as it is on spear1340 */ - /* if irq is 0, support only PIO */ + /* if irq < 0, support only PIO */ acdev->irq = platform_get_irq(pdev, 0); - if (acdev->irq) + if (acdev->irq >= 0) irq_handler = arasan_cf_interrupt; else quirk |= CF_BROKEN_MWDMA | CF_BROKEN_UDMA; -- 2.17.1
