[PATCH v2] leds: leds-gpio: adopt pinctrl support

[tony@atomide.com (Tony Lindgren)]

* Marek Vasut <marex@denx.de> [120904 20:13]:
> Dear Bryan Wu,
> 
> > On Sat, Sep 1, 2012 at 4:16 PM, AnilKumar Ch <anilkumar@ti.com> wrote:
> > > Adopt pinctrl support to leds-gpio driver based on leds-gpio
> > > device pointer, pinctrl driver configure SoC pins to GPIO
> > > mode according to definitions provided in .dts file.
> > 
> > Thanks for this, actually Marek Vasut submitted a similar patch
> > before. I'm pretty fine with this patch.
> 
> Thanks for submitting this actually ... I didn't have time to properly 
> investigate this.
> 
> > But without proper DT setting, it will also give us warning I think.
> > or we can provide some dummy functions as a temp solution as Shawn
> > pointed out before.
> 
> But this driver is also used on hardware that's not yet coverted to DT, so I'd 
> say dev_warn() if CONFIG_OF is enabled and otherwise simply go on ? Actually, 
> can we not skip whole this pinctrl thing if CONFIG_OF is disabled? Actually (2), 
> what's the relationship between OF and pinctrl?

The warning should be pinctrl related as the pinctrl drivers may not be
device tree based drivers.

Regards,

Tony