From 86457e16088b96e67058465c0384ed1ff0830da4 Mon Sep 17 00:00:00 2001
From: Jason Zhu <jason.zhu@rock-chips.com>
Date: Thu, 8 Mar 2018 14:42:52 +0800
Subject: [PATCH] drivers: irq: fix compile warning

In the function gpio_get_intr_type, 'type' may be
used uninitialized if not add default process.

Change-Id: I917fecc2ed06cc844c30c93508084f32608edf6f
Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
---
 drivers/irq/irq-gpio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/irq/irq-gpio.c b/drivers/irq/irq-gpio.c
index 4b46b4fa73..7a2a22248d 100644
--- a/drivers/irq/irq-gpio.c
+++ b/drivers/irq/irq-gpio.c
@@ -165,6 +165,8 @@ static int gpio_get_intr_type(void __iomem *regbase,
 	case 0x03:
 		type = GPIOEdgelRising;
 		break;
+	default:
+		type = -EINVAL;
 	}
 
 	return type;