diff options
| author | Simon Glass <sjg@chromium.org> | 2014-10-04 11:29:49 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-10-23 19:29:52 -0600 |
| commit | d44f597b12b8f8099c3c52c3eb09540966cafe79 (patch) | |
| tree | aeecc26ed1a0938d0e567b08af389b63088d4664 /include/asm-generic | |
| parent | 4b8f11c2cc1dc23cf721073e6440c4e151b89bdd (diff) | |
| download | u-boot-d44f597b12b8f8099c3c52c3eb09540966cafe79.zip u-boot-d44f597b12b8f8099c3c52c3eb09540966cafe79.tar.gz u-boot-d44f597b12b8f8099c3c52c3eb09540966cafe79.tar.bz2 | |
dm: gpio: Add gpio_requestf() helper for printf() strings
Add a helper which permits a printf()-style format string for the requester
string.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/gpio.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 693bb56..8af760e 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -146,6 +146,16 @@ int gpio_get_function(struct udevice *dev, int offset, const char **namep); int gpio_get_raw_function(struct udevice *dev, int offset, const char **namep); /** + * gpio_requestf() - request a GPIO using a format string for the owner + * + * This is a helper function for gpio_request(). It allows you to provide + * a printf()-format string for the GPIO owner. It calls gpio_request() with + * the string that is created + */ +int gpio_requestf(unsigned gpio, const char *fmt, ...) + __attribute__ ((format (__printf__, 2, 3))); + +/** * struct struct dm_gpio_ops - Driver model GPIO operations * * Refer to functions above for description. These function largely copy |