[PATCH 5/5] pinctrl: rockchip: correctly handle arguments of pinconf options

Linus Walleij linus.walleij at linaro.org
Sun Jun 16 22:35:58 EST 2013


On Sun, Jun 16, 2013 at 1:02 PM, Heiko Stübner <heiko at sntech.de> wrote:

>> > -               *config = 0;
>> > +               pull = rockchip_get_pull(bank, pin - bank->pin_base);
>> > +               *config = (pull == param) ? 1 : 0;
>>
>> And then I guess you should emit PIN_CONFIG_BIAS_DISABLE
>> here as well.
>
> rockchip_get_pull does emit PIN_CONFIG_BIAS_DISABLE when the pull is disabled,
> only wrongly does add the argument here.

Ah, right.

> But I'm actually not quite sure what the expected behaviour is here at all :-)
>
> Say the pin is in the "pin-default" pull state and the query in config_get is
> for "bias-disable", what would be the expected bahviour/return value in this
> case?

return -EINVAL; ?

Hm it was some time since I designed this...

Yours,
Linus Walleij


More information about the devicetree-discuss mailing list