diff options
| author | Douglas Anderson <dianders@chromium.org> | 2020-04-28 17:23:27 -0700 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-04-29 14:15:25 +0200 |
| commit | 36b5215436ad115551e12478ceb3be4a2279e415 (patch) | |
| tree | 9e46b3a25a5a1e29ab4a8869e3332412f48e9dba /include/linux/gpio | |
| parent | dc5c1439376de8e107396ff5bdbc05af3b04ff0b (diff) | |
gpio: Document proper return value for gpio drivers
The legacy defines GPIOF_DIR_XXX are only for consumers. Document the
proper ones. Also: don't use "_XXX" since that's harder to find with
"git grep". Just list both of the values.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200428172322.1.I396f351e364f3c09df7c7606e79abefb8682c092@changeid
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/gpio')
| -rw-r--r-- | include/linux/gpio/driver.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index b8fc92c177eb..7b5f5681b7e4 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -267,9 +267,9 @@ struct gpio_irq_chip { * @free: optional hook for chip-specific deactivation, such as * disabling module power and clock; may sleep * @get_direction: returns direction for signal "offset", 0=out, 1=in, - * (same as GPIOF_DIR_XXX), or negative error. - * It is recommended to always implement this function, even on - * input-only or output-only gpio chips. + * (same as GPIO_LINE_DIRECTION_OUT / GPIO_LINE_DIRECTION_IN), + * or negative error. It is recommended to always implement this + * function, even on input-only or output-only gpio chips. * @direction_input: configures signal "offset" as input, or returns error * This can be omitted on input-only or output-only gpio chips. * @direction_output: configures signal "offset" as output, or returns error |