pinctrl/exynos: Use irq_set_handler_locked()

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

Search and replacement was done with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 14b02fc..f402eff 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -148,9 +148,9 @@
 	}
 
 	if (type & IRQ_TYPE_EDGE_BOTH)
-		__irq_set_handler_locked(irqd->irq, handle_edge_irq);
+		irq_set_handler_locked(irqd, handle_edge_irq);
 	else
-		__irq_set_handler_locked(irqd->irq, handle_level_irq);
+		irq_set_handler_locked(irqd, handle_level_irq);
 
 	con = readl(d->virt_base + reg_con);
 	con &= ~(EXYNOS_EINT_CON_MASK << shift);