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
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