diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 1d1a586..8abeaca 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -130,6 +130,12 @@
 
 static struct irq_chip zynq_gpio_level_irqchip;
 static struct irq_chip zynq_gpio_edge_irqchip;
+
+static struct zynq_gpio *to_zynq_gpio(struct gpio_chip *gc)
+{
+	return container_of(gc, struct zynq_gpio, chip);
+}
+
 /**
  * zynq_gpio_get_bank_pin - Get the bank number and pin number within that bank
  * for a given pin in the GPIO device
@@ -177,7 +183,7 @@
 {
 	u32 data;
 	unsigned int bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+	struct zynq_gpio *gpio = to_zynq_gpio(chip);
 
 	zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
 
@@ -201,7 +207,7 @@
 				int state)
 {
 	unsigned int reg_offset, bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+	struct zynq_gpio *gpio = to_zynq_gpio(chip);
 
 	zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
 
@@ -238,7 +244,7 @@
 {
 	u32 reg;
 	unsigned int bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+	struct zynq_gpio *gpio = to_zynq_gpio(chip);
 
 	zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
 
@@ -271,7 +277,7 @@
 {
 	u32 reg;
 	unsigned int bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = container_of(chip, struct zynq_gpio, chip);
+	struct zynq_gpio *gpio = to_zynq_gpio(chip);
 
 	zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio);
 
@@ -301,7 +307,8 @@
 static void zynq_gpio_irq_mask(struct irq_data *irq_data)
 {
 	unsigned int device_pin_num, bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+	struct zynq_gpio *gpio =
+		to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
 
 	device_pin_num = irq_data->hwirq;
 	zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -321,7 +328,8 @@
 static void zynq_gpio_irq_unmask(struct irq_data *irq_data)
 {
 	unsigned int device_pin_num, bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+	struct zynq_gpio *gpio =
+		to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
 
 	device_pin_num = irq_data->hwirq;
 	zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -340,7 +348,8 @@
 static void zynq_gpio_irq_ack(struct irq_data *irq_data)
 {
 	unsigned int device_pin_num, bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+	struct zynq_gpio *gpio =
+		to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
 
 	device_pin_num = irq_data->hwirq;
 	zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -390,7 +399,8 @@
 {
 	u32 int_type, int_pol, int_any;
 	unsigned int device_pin_num, bank_num, bank_pin_num;
-	struct zynq_gpio *gpio = irq_data_get_irq_chip_data(irq_data);
+	struct zynq_gpio *gpio =
+		to_zynq_gpio(irq_data_get_irq_chip_data(irq_data));
 
 	device_pin_num = irq_data->hwirq;
 	zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio);
@@ -453,7 +463,8 @@
 
 static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on)
 {
-	struct zynq_gpio *gpio = irq_data_get_irq_chip_data(data);
+	struct zynq_gpio *gpio =
+		to_zynq_gpio(irq_data_get_irq_chip_data(data));
 
 	irq_set_irq_wake(gpio->irq, on);
 
@@ -518,7 +529,8 @@
 {
 	u32 int_sts, int_enb;
 	unsigned int bank_num;
-	struct zynq_gpio *gpio = irq_desc_get_handler_data(desc);
+	struct zynq_gpio *gpio =
+		to_zynq_gpio(irq_desc_get_handler_data(desc));
 	struct irq_chip *irqchip = irq_desc_get_chip(desc);
 
 	chained_irq_enter(irqchip, desc);