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

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index b344ec8..a1d452b 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -70,7 +70,7 @@
 
 	/* Enable VBus control for UHP ports */
 	for (i = 0; i < data->ports; i++) {
-		if (data->vbus_pin[i])
+		if (gpio_is_valid(data->vbus_pin[i]))
 			at91_set_gpio_output(data->vbus_pin[i], 0);
 	}
 
@@ -123,7 +123,7 @@
 	if (!data)
 		return;
 
-	if (data->vbus_pin) {
+	if (gpio_is_valid(data->vbus_pin)) {
 		at91_set_gpio_input(data->vbus_pin, 0);
 		at91_set_deglitch(data->vbus_pin, 1);
 	}
@@ -176,7 +176,7 @@
 	if (!data)
 		return;
 
-	if (data->phy_irq_pin) {
+	if (gpio_is_valid(data->phy_irq_pin)) {
 		at91_set_gpio_input(data->phy_irq_pin, 0);
 		at91_set_deglitch(data->phy_irq_pin, 1);
 	}
@@ -276,13 +276,13 @@
 		return;
 
 	/* input/irq */
-	if (data->det_pin) {
+	if (gpio_is_valid(data->det_pin)) {
 		at91_set_gpio_input(data->det_pin, 1);
 		at91_set_deglitch(data->det_pin, 1);
 	}
-	if (data->wp_pin)
+	if (gpio_is_valid(data->wp_pin))
 		at91_set_gpio_input(data->wp_pin, 1);
-	if (data->vcc_pin)
+	if (gpio_is_valid(data->vcc_pin))
 		at91_set_gpio_output(data->vcc_pin, 0);
 
 	if (mmc_id == 0) {		/* MCI0 */
@@ -430,17 +430,17 @@
 	}
 	at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
 
-	if (data->det_pin) {
+	if (gpio_is_valid(data->det_pin)) {
 		at91_set_gpio_input(data->det_pin, 1);
 		at91_set_deglitch(data->det_pin, 1);
 	}
 
-	if (data->irq_pin) {
+	if (gpio_is_valid(data->irq_pin)) {
 		at91_set_gpio_input(data->irq_pin, 1);
 		at91_set_deglitch(data->irq_pin, 1);
 	}
 
-	if (data->vcc_pin)
+	if (gpio_is_valid(data->vcc_pin))
 		/* initially off */
 		at91_set_gpio_output(data->vcc_pin, 0);
 
@@ -500,15 +500,15 @@
 	at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
 
 	/* enable pin */
-	if (data->enable_pin)
+	if (gpio_is_valid(data->enable_pin))
 		at91_set_gpio_output(data->enable_pin, 1);
 
 	/* ready/busy pin */
-	if (data->rdy_pin)
+	if (gpio_is_valid(data->rdy_pin))
 		at91_set_gpio_input(data->rdy_pin, 1);
 
 	/* card detect pin */
-	if (data->det_pin)
+	if (gpio_is_valid(data->det_pin))
 		at91_set_gpio_input(data->det_pin, 1);
 
 	nand_data = *data;
@@ -749,7 +749,7 @@
 	at91_set_A_periph(AT91_PIN_PB3, 0);	/* AC97RX */
 
 	/* reset */
-	if (data->reset_pin)
+	if (gpio_is_valid(data->reset_pin))
 		at91_set_gpio_output(data->reset_pin, 0);
 
 	ac97_data = *data;