Re: [PATCH 12/13] cpufreq: Add cpufreq driver for Tegra124

Tuomas Tynkkynen
2014-07-11T14:14:10Z

On 11/07/14 07:35, Viresh Kumar wrote:
> Hi Tuomas,
>
> On 11 July 2014 03:12, Tuomas Tynkkynen <ttynkkynen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> wrote:
>> Add a new cpufreq driver for Tegra124. Instead of using the PLLX as
>> the CPU clocksource, switch immediately to the DFLL. It allows the use
>> of higher clock rates, and will automatically scale the CPU voltage as
>> well. We also rely on the DFLL driver to determine the CPU clock
>> frequencies that the chip supports, so that we can directly build a
>> cpufreq table with the OPP library helper dev_pm_opp_init_cpufreq_table.
>>
>> This driver is a completely independent of the old cpufreq driver
>> (tegra-cpufreq), which is only used on Tegra20.
>>
>> Signed-off-by: Tuomas Tynkkynen <ttynkkynen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
>
> Please reuse cpufreq-cpu0 instead of adding a new driver. Similar
> is being adopted by all platforms now: krait, mvebu, etc..
>

Sure, I can do the CPU clock parent change first and then instantiate
the cpufreq-cpu0 driver, like highbank-cpufreq. That'll depend on the
patch 'cpufreq: cpu0: OPPs can be populated at runtime' from your
'Extend support beyond CPU0' series though, any idea when that patch
will land in?

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