Re: [PATCH 6/9] ARM: dt: dove: add Dove PMU DT entry to dove.dtsi

[Russell King - ARM Linux <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>]

On Fri, Mar 13, 2015 at 01:30:38PM +0100, Thomas Petazzoni wrote:
> Dear Russell King,
> 
> On Thu, 12 Mar 2015 18:31:21 +0000, Russell King wrote:
> 
> > +			pmu: power-management@d0000 {
> > +				compatible = "marvell,dove-pmu";
> > +				reg = <0xd0000 0x8000>, <0xd8000 0x8000>;
> 
> If I'm not wrong, the registers of the RTC are at 0xd8500, which is
> also covered by this new pmu node. It does work because you're using
> of_iomap(), but it isn't really ideal.
> 
> Maybe some sort of syscon/regmap thing should be used?

Please look at the locking that would require and the locking required
for PM domains (and as I've previously explained, apparently the hardware
requires a specific sequence of writes.)

-- 
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html