pinctrl/pistachio: 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: 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-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index 3dc2ae1..f22d585 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1303,9 +1303,9 @@
 	}
 
 	if (type & IRQ_TYPE_LEVEL_MASK)
-		__irq_set_handler_locked(data->irq, handle_level_irq);
+		irq_set_handler_locked(data, handle_level_irq);
 	else
-		__irq_set_handler_locked(data->irq, handle_edge_irq);
+		irq_set_handler_locked(data, handle_edge_irq);
 
 	return 0;
 }