From e53bcd947daaf6d6c05c545ddb734cb89fc40772 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@gmail.com>
Date: Sat, 9 Apr 2011 10:43:24 +0000
Subject: [PATCH] gpio: imx: Fix return value on error
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
drivers/gpio/mxc_gpio.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
index 103786209c..6efbb02c16 100644
--- a/drivers/gpio/mxc_gpio.c
+++ b/drivers/gpio/mxc_gpio.c
@@ -24,6 +24,7 @@
#include <asm/arch/imx-regs.h>
#include <asm/io.h>
#include <mxc_gpio.h>
+#include <errno.h>
/* GPIO port description */
static unsigned long gpio_ports[] = {
@@ -47,7 +48,7 @@ int mxc_gpio_direction(unsigned int gpio, enum mxc_gpio_direction direction)
u32 l;
if (port >= ARRAY_SIZE(gpio_ports))
- return 1;
+ return -EINVAL;
gpio &= 0x1f;
@@ -95,7 +96,7 @@ int mxc_gpio_get(unsigned int gpio)
u32 l;
if (port >= ARRAY_SIZE(gpio_ports))
- return -1;
+ return -EINVAL;
gpio &= 0x1f;
--
2.39.5