commit 477c87e90853d136b188c50c0e4a93d01cad872e
author Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Mon Sep 19 15:29:53 2011 +0800
committer Arnd Bergmann <arnd@arndb.de> Tue Nov 29 15:46:15 2011 +0000
tree e795ddad10a13779be77c0297616ea1177ba5fac
parent cc9f9aef6ad3ebdda911e25b38222c215f7634f9

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

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

drivers/ata/pata_at91.c

diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index a76f24a..5249e6d 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -360,7 +360,7 @@
 	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 @@
 
 	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)