Hi, On Fri, Sep 02, 2016 at 02:45:06PM +0800, Chen-Yu Tsai wrote: > > + > > +DRC > > +--- > > + > > +The DRC, found in the latest Allwinner SoCs (A31, A23, A33), allows to > > +do some backlight control to enhance the power consumption. > > + > > +Required properties: > > + - compatible: value must be one of: > > + * allwinner,sun8i-a33-drc > > Since this was first introduced in the A31, maybe using that > for the compatible is better? > > Or do you want one for each SoC, given these are unknown black > boxes?
Yeah, I'd prefer to be on the safe side here :/
> > + drc->mod_clk = devm_clk_get(dev, "mod");
> > + if (IS_ERR(drc->mod_clk)) {
> > + dev_err(dev, "Couldn't get our mod clock\n");
> > + ret = PTR_ERR(drc->mod_clk);
> > + goto err_disable_bus_clk;
> > + }
> > +
> > + return clk_prepare_enable(drc->mod_clk);
>
> What happens if this fails? No cleanup happens.
Indeed, will fix.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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