[U-Boot] [PATCH] nios2: add gpio_free

Scott McNutt
2011-01-18T17:18:24Z

Added to: git://git.denx.de/u-boot-nios.git 'next'

Thank you,
--Scott

Thomas Chou wrote:
> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
> ---
> arch/nios2/include/asm/gpio.h | 6 ++++++
> board/altera/nios2-generic/gpio.c | 5 +++++
> 2 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/arch/nios2/include/asm/gpio.h b/arch/nios2/include/asm/gpio.h
> index cff1dd9..36a7132 100644
> --- a/arch/nios2/include/asm/gpio.h
> +++ b/arch/nios2/include/asm/gpio.h
> @@ -26,6 +26,11 @@ static inline int gpio_request(unsigned gpio, const char *label)
> return 0;
> }
>
> +static inline int gpio_free(unsigned gpio)
> +{
> + return 0;
> +}
> +
> static inline int gpio_direction_input(unsigned gpio)
> {
> writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2));
> @@ -49,6 +54,7 @@ static inline void gpio_set_value(unsigned gpio, int value)
> }
> #else
> extern int gpio_request(unsigned gpio, const char *label);
> +extern int gpio_free(unsigned gpio);
> extern int gpio_direction_input(unsigned gpio);
> extern int gpio_direction_output(unsigned gpio, int value);
> extern int gpio_get_value(unsigned gpio);
> diff --git a/board/altera/nios2-generic/gpio.c b/board/altera/nios2-generic/gpio.c
> index d449684..8c639ce 100644
> --- a/board/altera/nios2-generic/gpio.c
> +++ b/board/altera/nios2-generic/gpio.c
> @@ -20,6 +20,11 @@ int gpio_request(unsigned gpio, const char *label)
> return 0;
> }
>
> +int gpio_free(unsigned gpio)
> +{
> + return 0;
> +}
> +
> int gpio_direction_input(unsigned gpio)
> {
> u32 mask = 1 << gpio;