diff options
Diffstat (limited to 'include/asm-generic/gpio.h')
| -rw-r--r-- | include/asm-generic/gpio.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index bc0c14da7162..fb1ecf8baa90 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h | |||
| @@ -60,7 +60,9 @@ struct module; | |||
| 60 | * @names: if set, must be an array of strings to use as alternative | 60 | * @names: if set, must be an array of strings to use as alternative |
| 61 | * names for the GPIOs in this chip. Any entry in the array | 61 | * names for the GPIOs in this chip. Any entry in the array |
| 62 | * may be NULL if there is no alias for the GPIO, however the | 62 | * may be NULL if there is no alias for the GPIO, however the |
| 63 | * array must be @ngpio entries long. | 63 | * array must be @ngpio entries long. A name can include a single printk |
| 64 | * format specifier for an unsigned int. It is substituted by the actual | ||
| 65 | * number of the gpio. | ||
| 64 | * | 66 | * |
| 65 | * A gpio_chip can help platforms abstract various sources of GPIOs so | 67 | * A gpio_chip can help platforms abstract various sources of GPIOs so |
| 66 | * they can all be accessed through a common programing interface. | 68 | * they can all be accessed through a common programing interface. |