diff options
Diffstat (limited to 'Documentation/gpio.txt')
| -rw-r--r-- | Documentation/gpio.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt index fa4dc077ae0e..e4e7daed2ba8 100644 --- a/Documentation/gpio.txt +++ b/Documentation/gpio.txt | |||
| @@ -380,7 +380,7 @@ rare; use gpiochip_remove() when it is unavoidable. | |||
| 380 | 380 | ||
| 381 | Most often a gpio_chip is part of an instance-specific structure with state | 381 | Most often a gpio_chip is part of an instance-specific structure with state |
| 382 | not exposed by the GPIO interfaces, such as addressing, power management, | 382 | not exposed by the GPIO interfaces, such as addressing, power management, |
| 383 | and more. Chips such as codecs will have complex non-GPIO state, | 383 | and more. Chips such as codecs will have complex non-GPIO state. |
| 384 | 384 | ||
| 385 | Any debugfs dump method should normally ignore signals which haven't been | 385 | Any debugfs dump method should normally ignore signals which haven't been |
| 386 | requested as GPIOs. They can use gpiochip_is_requested(), which returns | 386 | requested as GPIOs. They can use gpiochip_is_requested(), which returns |
| @@ -531,7 +531,7 @@ and have the following read/write attributes: | |||
| 531 | This file exists only if the pin can be configured as an | 531 | This file exists only if the pin can be configured as an |
| 532 | interrupt generating input pin. | 532 | interrupt generating input pin. |
| 533 | 533 | ||
| 534 | GPIO controllers have paths like /sys/class/gpio/chipchip42/ (for the | 534 | GPIO controllers have paths like /sys/class/gpio/gpiochip42/ (for the |
| 535 | controller implementing GPIOs starting at #42) and have the following | 535 | controller implementing GPIOs starting at #42) and have the following |
| 536 | read-only attributes: | 536 | read-only attributes: |
| 537 | 537 | ||