[PATCH] pinctrl: document the "GPIO mode" pitfall

[Stephen Warren]

On 03/15/2013 05:07 AM, Linus Walleij wrote:
> From: Linus Walleij <linus.walleij at linaro.org>
> 
> Recently as adoption of the pinctrl framework is reaching
> niches where the pins are reconfigured during system sleep
> and datasheets often talk about something called "GPIO mode",
> some engineers become confused by this, thinking that since
> it is named "GPIO (something something)" it must be modeled
> in the kernel using <linux/gpio.h>.

> +static struct pinctrl_map __initdata pinmap[] = {
> +    PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_DEFAULT", "pinctrl-foo",

Extra trailing " after PINCTRL_STATE_DEFAULT there.

Otherwise, this sounds plausible, so,
Reviewed-by: Stephen Warren <swarren at nvidia.com>