gpiolib: Consolidate chained IRQ handler install/remove

Author: Thomas Gleixner <tglx@linutronix.de>

Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

Search and conversion was done with coccinelle:

Reported-by: Russell King 
Signed-off-by: Thomas Gleixner 
Cc: Julia Lawall 
Cc: Linus Walleij 
Cc: Alexandre Courbot 
Cc: linux-gpio@vger.kernel.org
---
 drivers/gpio/gpiolib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index bf4bd1d..78a738b 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -443,8 +443,8 @@ void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,
 		 * The parent irqchip is already using the chip_data for this
 		 * irqchip, so our callbacks simply use the handler_data.
 		 */
-		irq_set_handler_data(parent_irq, gpiochip);
-		irq_set_chained_handler(parent_irq, parent_handler);
+		irq_set_chained_handler_and_data(parent_irq, parent_handler,
+						 gpiochip);
 
 		gpiochip->irq_parent = parent_irq;
 	}