diff options
Diffstat (limited to 'target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c')
| -rw-r--r-- | target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c index 2c3886771d..dbd03270f1 100644 --- a/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c +++ b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c @@ -19,7 +19,7 @@ static inline int rdc_gpio_is_valid(unsigned gpio) { - return ((gpio > RDC_MAX_GPIO) ? 0 : 1); + return (gpio <= RDC_MAX_GPIO); } static unsigned int rdc_gpio_read(unsigned gpio) @@ -53,6 +53,8 @@ int rdc_gpio_get_value(unsigned gpio) { if (rdc_gpio_is_valid(gpio)) return (int)rdc_gpio_read(gpio); + else + return -EINVAL; } EXPORT_SYMBOL(rdc_gpio_get_value); |