diff options
| author | Ryan Mallon <ryan@bluewatersys.com> | 2008-04-16 02:56:35 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 14:01:43 +0100 |
| commit | b685004f8dea2daae0306edcd358ed7de751aee9 (patch) | |
| tree | db47ac6b8bf719af9d09fda9c1daf8983979a1f6 /include/asm-arm | |
| parent | 05dda977f2574c3341abef9b74c27d2b362e1e3a (diff) | |
| download | lwn-b685004f8dea2daae0306edcd358ed7de751aee9.tar.gz lwn-b685004f8dea2daae0306edcd358ed7de751aee9.zip | |
[ARM] 4988/1: Add GPIO lib support to the EP93xx
Adds support for the generic GPIO lib to the EP93xx family. The gpio
handling code has been moved from core.c to a new file called gpio.c.
The GPIO based IRQ code has not been changed.
Signed-off-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-ep93xx/gpio.h | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/include/asm-arm/arch-ep93xx/gpio.h b/include/asm-arm/arch-ep93xx/gpio.h index 9b1864bbd9a8..186e7c715f8a 100644 --- a/include/asm-arm/arch-ep93xx/gpio.h +++ b/include/asm-arm/arch-ep93xx/gpio.h @@ -101,30 +101,17 @@ /* new generic GPIO API - see Documentation/gpio.txt */ -static inline int gpio_request(unsigned gpio, const char *label) -{ - if (gpio > EP93XX_GPIO_LINE_MAX) - return -EINVAL; - return 0; -} +#include <asm-generic/gpio.h> -static inline void gpio_free(unsigned gpio) -{ -} - -int gpio_direction_input(unsigned gpio); -int gpio_direction_output(unsigned gpio, int value); -int gpio_get_value(unsigned gpio); -void gpio_set_value(unsigned gpio, int value); - -#include <asm-generic/gpio.h> /* cansleep wrappers */ +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep /* * Map GPIO A0..A7 (0..7) to irq 64..71, * B0..B7 (7..15) to irq 72..79, and * F0..F7 (16..24) to irq 80..87. */ - static inline int gpio_to_irq(unsigned gpio) { if (gpio <= EP93XX_GPIO_LINE_MAX_IRQ) |