ARM: OMAP: switch to gpio_direction_input

More switchover to the cross-platform GPIO interface:
use gpio_direction_input(), not an OMAP-specific call.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index c33766c..5a232ad 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -331,7 +331,7 @@
 			printk(KERN_ERR "Could not reserve WP GPIO!\n");
 			return;
 		}
-		omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);
+		gpio_direction_input(PALMZ71_MMC_WP_GPIO);
 
 		/* Monitor the Power-cable-connected signal */
 		if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
@@ -339,7 +339,7 @@
 				"Could not reserve cable signal GPIO!\n");
 			return;
 		}
-		omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);
+		gpio_direction_input(PALMZ71_USBDETECT_GPIO);
 		if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
 				palmz71_powercable, IRQF_SAMPLE_RANDOM,
 				"palmz71-cable", 0))