pinctrl/at91: 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/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index a082447..6cec3861 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1444,22 +1444,22 @@
 
 	switch (type) {
 	case IRQ_TYPE_EDGE_RISING:
-		__irq_set_handler_locked(d->irq, handle_simple_irq);
+		irq_set_handler_locked(d, handle_simple_irq);
 		writel_relaxed(mask, pio + PIO_ESR);
 		writel_relaxed(mask, pio + PIO_REHLSR);
 		break;
 	case IRQ_TYPE_EDGE_FALLING:
-		__irq_set_handler_locked(d->irq, handle_simple_irq);
+		irq_set_handler_locked(d, handle_simple_irq);
 		writel_relaxed(mask, pio + PIO_ESR);
 		writel_relaxed(mask, pio + PIO_FELLSR);
 		break;
 	case IRQ_TYPE_LEVEL_LOW:
-		__irq_set_handler_locked(d->irq, handle_level_irq);
+		irq_set_handler_locked(d, handle_level_irq);
 		writel_relaxed(mask, pio + PIO_LSR);
 		writel_relaxed(mask, pio + PIO_FELLSR);
 		break;
 	case IRQ_TYPE_LEVEL_HIGH:
-		__irq_set_handler_locked(d->irq, handle_level_irq);
+		irq_set_handler_locked(d, handle_level_irq);
 		writel_relaxed(mask, pio + PIO_LSR);
 		writel_relaxed(mask, pio + PIO_REHLSR);
 		break;
@@ -1468,7 +1468,7 @@
 		 * disable additional interrupt modes:
 		 * fall back to default behavior
 		 */
-		__irq_set_handler_locked(d->irq, handle_simple_irq);
+		irq_set_handler_locked(d, handle_simple_irq);
 		writel_relaxed(mask, pio + PIO_AIMDR);
 		return 0;
 	case IRQ_TYPE_NONE: