ARM: OMAP: Fixes for suspend / resume GPIO wake-up handling

Use the correct wake-up enable register, and make it
work with 34xx also.

Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/gpio.c

@@ -101,6 +101,7 @@
 #define OMAP24XX_GPIO_IRQSTATUS2	0x0028
 #define OMAP24XX_GPIO_IRQENABLE2	0x002c
 #define OMAP24XX_GPIO_IRQENABLE1	0x001c
+#define OMAP24XX_GPIO_WAKE_EN		0x0020
 #define OMAP24XX_GPIO_CTRL		0x0030
 #define OMAP24XX_GPIO_OE		0x0034
 #define OMAP24XX_GPIO_DATAIN		0x0038
@@ -1551,7 +1552,7 @@ static int omap_gpio_suspend(struct sys_device *dev, pm_message_t mesg)
 #endif
 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
 		case METHOD_GPIO_24XX:
-			wake_status = bank->base + OMAP24XX_GPIO_SETWKUENA;
+			wake_status = bank->base + OMAP24XX_GPIO_WAKE_EN;
 			wake_clear = bank->base + OMAP24XX_GPIO_CLEARWKUENA;
 			wake_set = bank->base + OMAP24XX_GPIO_SETWKUENA;
 			break;
@@ -1574,7 +1575,7 @@ static int omap_gpio_resume(struct sys_device *dev)
 {
 	int i;
 
-	if (!cpu_is_omap24xx() && !cpu_is_omap16xx())
+	if (!cpu_class_is_omap2() && !cpu_is_omap16xx())
 		return 0;
 
 	for (i = 0; i < gpio_bank_count; i++) {