diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index d9206811be9b31dd03efae8235ee8d15ec7548e5..c71c483f410eaa94046ed22e3223cb0c52d8f7a9 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -131,16 +131,11 @@ static int corgi_should_wakeup(unsigned int resume_on_alarm)
 	return is_resume;
 }
 
-static unsigned long corgi_charger_wakeup(void)
+static bool corgi_charger_wakeup(void)
 {
-	unsigned long ret;
-
-	ret = (!gpio_get_value(CORGI_GPIO_AC_IN) << GPIO_bit(CORGI_GPIO_AC_IN))
-		| (!gpio_get_value(CORGI_GPIO_KEY_INT)
-		<< GPIO_bit(CORGI_GPIO_KEY_INT))
-		| (!gpio_get_value(CORGI_GPIO_WAKEUP)
-		<< GPIO_bit(CORGI_GPIO_WAKEUP));
-	return ret;
+	return !gpio_get_value(CORGI_GPIO_AC_IN) ||
+		!gpio_get_value(CORGI_GPIO_KEY_INT) ||
+		!gpio_get_value(CORGI_GPIO_WAKEUP);
 }
 
 unsigned long corgipm_read_devdata(int type)
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index b80eab9993c5e0d89eedff4aae08fb3ac8ba7ca8..249b7bd5fbc4cf1c2b4b94dbb7a163f9b62a9b39 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -744,7 +744,7 @@ static int sharpsl_off_charge_battery(void)
 		time = RCNR;
 		while (1) {
 			/* Check if any wakeup event had occurred */
-			if (sharpsl_pm.machinfo->charger_wakeup() != 0)
+			if (sharpsl_pm.machinfo->charger_wakeup())
 				return 0;
 			/* Check for timeout */
 			if ((RCNR - time) > SHARPSL_WAIT_CO_TIME)
diff --git a/arch/arm/mach-pxa/sharpsl_pm.h b/arch/arm/mach-pxa/sharpsl_pm.h
index 905be6755f040fb390e630bc4f5a4b4caeba2dbc..fa75b6df8134a582ed68254579735a2c414091ac 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.h
+++ b/arch/arm/mach-pxa/sharpsl_pm.h
@@ -34,7 +34,7 @@ struct sharpsl_charger_machinfo {
 #define SHARPSL_STATUS_LOCK     5
 #define SHARPSL_STATUS_CHRGFULL 6
 #define SHARPSL_STATUS_FATAL    7
-	unsigned long (*charger_wakeup)(void);
+	bool (*charger_wakeup)(void);
 	int (*should_wakeup)(unsigned int resume_on_alarm);
 	void (*backlight_limit)(int);
 	int (*backlight_get_status) (void);
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index ea9f9034cb5427c67dc38ea69d7c2d18e6e7e63d..4e64a140252e9ebbe3dd6de75ac6548cb92af2e9 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -165,13 +165,10 @@ static int spitz_should_wakeup(unsigned int resume_on_alarm)
 	return is_resume;
 }
 
-static unsigned long spitz_charger_wakeup(void)
+static bool spitz_charger_wakeup(void)
 {
-	unsigned long ret;
-	ret = ((!gpio_get_value(SPITZ_GPIO_KEY_INT)
-		<< GPIO_bit(SPITZ_GPIO_KEY_INT))
-		| gpio_get_value(SPITZ_GPIO_SYNC));
-	return ret;
+	return !gpio_get_value(SPITZ_GPIO_KEY_INT) ||
+		gpio_get_value(SPITZ_GPIO_SYNC);
 }
 
 unsigned long spitzpm_read_devdata(int type)