diff options
Diffstat (limited to 'target/linux/atheros/files/include')
| -rw-r--r-- | target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h index 560b8cc0d..db7347c22 100644 --- a/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h +++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/gpio.h @@ -26,9 +26,8 @@ static inline int gpio_direction_input(unsigned gpio) { return -ENXIO; \ } else { \ sysRegWrite(AR531X_GPIO_CR, \ - ( sysRegRead(AR531X_GPIO_CR) & \ - ~(AR531X_GPIO_CR_M(gpio)) ) | \ - AR531X_GPIO_CR_I(gpio) ); \ + sysRegRead(AR531X_GPIO_CR) | \ + AR531X_GPIO_CR_I(gpio) ); \ return 0; \ } \ ) @@ -42,6 +41,7 @@ static inline int gpio_direction_input(unsigned gpio) { return 0; \ } \ ) + return -ENXIO; } /* Sets a gpio to output with value, or returns ENXIO for non-existent gpio */ @@ -54,8 +54,8 @@ static inline int gpio_direction_output(unsigned gpio, int value) { ~(1 << gpio) ) | \ ((value!=0) << gpio)) ); \ sysRegWrite(AR531X_GPIO_CR, \ - sysRegRead(AR531X_GPIO_CR) | \ - AR531X_GPIO_CR_O(gpio) ); \ + ( sysRegRead(AR531X_GPIO_CR) & \ + ~(AR531X_GPIO_CR_M(gpio)) )); \ return 0; \ } \ ) @@ -72,12 +72,14 @@ static inline int gpio_direction_output(unsigned gpio, int value) { return 0; \ } \ ) + return -ENXIO; } /* Reads the gpio pin. Unchecked function */ static inline int gpio_get_value(unsigned gpio) { DO_AR5312(return (sysRegRead(AR531X_GPIO_DI) & (1 << gpio));) DO_AR5315(return (sysRegRead(AR5315_GPIO_DI) & (1 << gpio));) + return 0; } /* Writes to the gpio pin. Unchecked function */ |