diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/gpio.h | 9 | ||||
| -rw-r--r-- | include/fdtdec.h | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index c19e16cd2..23c964940 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -94,4 +94,13 @@ int gpio_get_value(unsigned gpio); */ int gpio_set_value(unsigned gpio, int value); +/** + * Request a gpio. This should be called before any of the other functions + * are used on this gpio. + * + * @param gp GPIO number + * @param label User label for this GPIO + * @return 0 if ok, -1 on error + */ +int gpio_request(unsigned gpio, const char *label); #endif /* _ASM_GENERIC_GPIO_H_ */ diff --git a/include/fdtdec.h b/include/fdtdec.h index 474a4b90e..0b140752f 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -19,6 +19,8 @@ * MA 02111-1307 USA */ +#ifndef __fdtdec_h +#define __fdtdec_h /* * This file contains convenience functions for decoding useful and @@ -383,3 +385,4 @@ int fdtdec_get_byte_array(const void *blob, int node, const char *prop_name, */ const u8 *fdtdec_locate_byte_array(const void *blob, int node, const char *prop_name, int count); +#endif |