pinctrl/samsung: Use irq_set_handler_locked()

Use irq_set_handler_locked() as it avoids a redundant lookup of the
irq descriptor.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
index ec8cc3b..41050f4 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
@@ -260,13 +260,13 @@
 	return trigger;
 }
 
-static void s3c64xx_irq_set_handler(unsigned int irq, unsigned int type)
+static void s3c64xx_irq_set_handler(struct irq_data *d, unsigned int type)
 {
 	/* Edge- and level-triggered interrupts need different handlers */
 	if (type & IRQ_TYPE_EDGE_BOTH)
-		__irq_set_handler_locked(irq, handle_edge_irq);
+		irq_set_handler_locked(d, handle_edge_irq);
 	else
-		__irq_set_handler_locked(irq, handle_level_irq);
+		irq_set_handler_locked(d, handle_level_irq);
 }
 
 static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d,
@@ -356,7 +356,7 @@
 		return -EINVAL;
 	}
 
-	s3c64xx_irq_set_handler(irqd->irq, type);
+	s3c64xx_irq_set_handler(irqd, type);
 
 	/* Set up interrupt trigger */
 	reg = d->virt_base + EINTCON_REG(bank->eint_offset);
@@ -567,7 +567,7 @@
 		return -EINVAL;
 	}
 
-	s3c64xx_irq_set_handler(irqd->irq, type);
+	s3c64xx_irq_set_handler(irqd, type);
 
 	/* Set up interrupt trigger */
 	reg = d->virt_base + EINT0CON0_REG;