gpio: imx: Fix return value on error
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
index 1037862..6efbb02 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 @@
u32 l;
if (port >= ARRAY_SIZE(gpio_ports))
- return 1;
+ return -EINVAL;
gpio &= 0x1f;
@@ -95,7 +96,7 @@
u32 l;
if (port >= ARRAY_SIZE(gpio_ports))
- return -1;
+ return -EINVAL;
gpio &= 0x1f;