diff options
| author | Wolfgang Denk <wd@denx.de> | 2011-05-12 19:26:45 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-05-12 19:26:45 +0200 |
| commit | 162eee41060896af666c70ae308d2bb13d971ccf (patch) | |
| tree | 80463960431e5e2c57bc329f53fe18ec9f6b1870 /drivers | |
| parent | 8b6bbe104f908296722248eb1a430bc45d628fcf (diff) | |
| parent | 2e73808ee97d75400881d1fe144b062f427cfcb9 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/mxc_gpio.c | 5 |
1 files 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; |