pinctrl: madera: Return ENOTSUPP for unsupported pin attributes

The pin_config_[get|set] functions should return ENOTSUPP if
the requested attribute isn't supported.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Richard Fitzgerald 2018-08-07 10:32:25 +01:00 • committed by Linus Walleij
commit d2f7a82204