Re: Cpufreq regression in next-20161207

Tony Lindgren
2016-12-08T05:52:25Z

* Viresh Kumar <viresh.kumar@linaro.org> [161207 21:08]:
> Hi Tony,
>
> On 07-12-16, 20:56, Tony Lindgren wrote:
> > Hi,
> >
> > Looks like commit ef3caabee969 ("PM / OPP: Don't assume platform doesn't
> > have regulators") caused a regression in Linux next-20161207 for at least
> > omap4 pandaboard. We now hit kernel BUG at drivers/cpufreq/cpufreq.c:1235.
> >
> > Any ideas?
>
> I saw similar regression for Tegra and the offending commit is now
> dropped from pm/linux-next. So linux-next should be fine after
> fetching it today.

OK good to hear.

> But just for my understanding, who is doing voltage scaling for OMAP4
> then? The cpufreq-dt driver will only frequency scaling, as it fails
> to find a regulator for the CPUs.

Hmm good question. Maybe we don't have the regulators configured for
pandaboard?

Regards,

Tony