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gpio: imx: Fix return value on error

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Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Fabio Estevam 2011-04-09 10:43:24 +00:00 committed by Albert ARIBAUD
parent b73850f764
commit e53bcd947d
1 changed files with 3 additions and 2 deletions
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5
drivers/gpio/mxc_gpio.c
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@ -24,6 +24,7 @@
#include <asm/arch/imx-regs.h> #include <asm/arch/imx-regs.h>
#include <asm/io.h> #include <asm/io.h>
#include <mxc_gpio.h> #include <mxc_gpio.h>
#include <errno.h>
/* GPIO port description */ /* GPIO port description */
static unsigned long gpio_ports[] = { static unsigned long gpio_ports[] = {
@ -47,7 +48,7 @@ int mxc_gpio_direction(unsigned int gpio, enum mxc_gpio_direction direction)
u32 l; u32 l;
if (port >= ARRAY_SIZE(gpio_ports)) if (port >= ARRAY_SIZE(gpio_ports))
return 1; return -EINVAL;
gpio &= 0x1f; gpio &= 0x1f;
@ -95,7 +96,7 @@ int mxc_gpio_get(unsigned int gpio)
u32 l; u32 l;
if (port >= ARRAY_SIZE(gpio_ports)) if (port >= ARRAY_SIZE(gpio_ports))
return -1; return -EINVAL;
gpio &= 0x1f; gpio &= 0x1f;