On Tue, Jul 29, 2014 at 07:09:07PM +0800, caesar wrote: > Thierry, > > 在 2014年07月29日 18:22, Thierry Reding 写道: > >On Mon, Jul 28, 2014 at 07:19:18PM +0800, caesar wrote: > >>Doug, > >>在 2014年07月28日 12:01, Doug Anderson 写道: > >>>Caesar, > >>> > >>>On Sun, Jul 27, 2014 at 7:00 AM, caesar <caesar.wang@xxxxxxxxxxxxxx> wrote: > >>>>/*I think will be show the faill log:-> > >>>> > >>>>* rockchip-pwm ff9301a0.pwm: can't request region for resource [mem > >>>>0xff9301a0-0xff93019f] > >>>>*/ > >>>> > >>>>pc->base = devm_ioremap_resource(dev, regs); > >>>Did you actually code this up and try it and get this error? > >>Yeah. > >This should work if you properly set up the PWM subregion as a child of > >the LCDC region, which is what MFD will do for you. > > > >Thierry > As you say,should this change be occured by lcdc driver and dts? > > The PWM driver don't need do any changes? No, I don't think the PWM driver needs to be changed for the above to work. Thierry
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