[PATCH V2 1/2] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER

Viresh Kumar viresh.kumar at linaro.org
Tue Oct 20 01:05:57 EDT 2020


On 19-10-20, 15:10, Sudeep Holla wrote:
> On Mon, Oct 19, 2020 at 04:05:35PM +0530, Viresh Kumar wrote:
> > On 19-10-20, 11:12, Sudeep Holla wrote:
> > > Yes it has clocks property but used by SCMI(for CPUFreq/DevFreq) and not
> > > by any clock provider driver. E.g. the issue you will see if "clocks"
> > > property is used instead of "qcom,freq-domain" on Qcom parts.
> > 
> > Okay, I understand. But what I still don't understand is why it fails
> > for you. You have a clocks property in DT for the CPU, the OPP core
> > tries to get it and will get deferred-probed, which will try probing
> > at a later point of time and it shall work then. Isn't it ?
> >
> 
> Nope unfortunately. We don't have clock provider, so clk_get will
> never succeed and always return -EPROBE_DEFER.

Now this is really bad, you have a fake clocks property, how is the
OPP core supposed to know it ? Damn.

-- 
viresh



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