ARM: at91/pata: use gpio_is_valid to check the gpio

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index a76f24a8e5db..5249e6d918a3 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -360,7 +360,7 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
         ap->flags |= ATA_FLAG_SLAVE_POSS;
         ap->pio_mask = ATA_PIO4;
 
-        if (!irq) {
+        if (!gpio_is_valid(irq)) {
                 ap->flags |= ATA_FLAG_PIO_POLLING;
                 ata_port_desc(ap, "no IRQ, using PIO polling");
         }
@@ -414,8 +414,8 @@ static int __devinit pata_at91_probe(struct platform_device *pdev)
 
         host->private_data = info;
 
-        ret = ata_host_activate(host, irq ? gpio_to_irq(irq) : 0,
-                        irq ? ata_sff_interrupt : NULL,
+        return ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
+                        gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
                         irq_flags, &pata_at91_sht);
 
         if (!ret)