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

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

diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index a76f24a8e5db95a98b3f9dda9ecfc7dcab3eb4ce..5249e6d918a3831e0a899b6768e1a71695ebc2d3 100644 (file)
--- 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)