PATCH 09/22] gpio: xilinx: Fix type for irq_base

["Hedges Alexander" <ahedges@xxxxxxxxxxxxxxx>]

From: Michal Simek <michal.simek@xxxxxxxxxx>
Date: Tue, 3 Sep 2013 16:22:12 +0200

irq_alloc_descs() returns negative numbers
on error path. Use int type to capture it.

Bug was introduced by this commit:
"GPIO: xilinx: Add irq support to the driver"
(sha1: 796ae5e3e4ae5f550e0ba01ade34604c83b08cfd)

Reported-by: Kester Aernoudt <kestera@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
Signed-off-by: Alexander Hedges <ahedges@xxxxxxx>
(cherry picked from commit 32161b344f3eb80f59bd99e9ca215a93b40b929a)
---
 drivers/gpio/gpio-xilinx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 8e4c391fc222..ce0a93795029 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -64,7 +64,7 @@ struct xgpio_instance {
 	u32 gpio_state;		/* GPIO state shadow register */
 	u32 gpio_dir;		/* GPIO direction shadow register */
 	u32 offset;
-	u32 irq_base;
+	int irq_base;
 	u32 irq_enable;
 	spinlock_t gpio_lock;
 	struct irq_domain *irq_domain;
-- 
2.17.1

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