Messages in this thread Patch in this message | | | From | Linus Walleij <> | Subject | [PATCH] pinctrl: provide documentation pointer | Date | Mon, 25 Nov 2013 15:45:06 +0100 |
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The PIN_CONFIG_OUTPUT parameter is really tricky to understand and needs an explicit pointer to the documentation.
Cc: Tomasz Figa <t.figa@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- include/linux/pinctrl/pinconf-generic.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index fb90ef5eb038..4b1432548e9e 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -83,7 +83,9 @@ * passed in the argument on a custom form, else just use argument 1 * to indicate low power mode, argument 0 turns low power mode off. * @PIN_CONFIG_OUTPUT: this will configure the pin in output, use argument - * 1 to indicate high level, argument 0 to indicate low level. + * 1 to indicate high level, argument 0 to indicate low level. (Please + * Documentation/pinctrl.txt, section "GPIO mode pitfalls" for a + * discussion around this parameter.) * @PIN_CONFIG_END: this is the last enumerator for pin configurations, if * you need to pass in custom configurations to the pin controller, use * PIN_CONFIG_END+1 as the base offset. -- 1.8.3.1
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