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

Thomas Chou
2010-12-24T07:19:44Z

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;
--
1.7.3.4