diff options
Diffstat (limited to 'arch/arm/mach-pxa/include/mach')
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/gpio.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h index be4900ea32da..4049b234eda3 100644 --- a/arch/arm/mach-pxa/include/mach/gpio.h +++ b/arch/arm/mach-pxa/include/mach/gpio.h @@ -100,8 +100,11 @@ /* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85). - * Those cases currently cause holes in the GPIO number space. + * Those cases currently cause holes in the GPIO number space, the + * actual number of the last GPIO is recorded by 'pxa_last_gpio'. */ +extern int pxa_last_gpio; + #define NR_BUILTIN_GPIO 128 static inline int gpio_get_value(unsigned gpio) |