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

From: Tuomas Tynkkynen
Date: Fri Jul 11 2014 - 10:14:21 EST

On 11/07/14 07:35, Viresh Kumar wrote:
Hi Tuomas,

On 11 July 2014 03:12, Tuomas Tynkkynen <ttynkkynen@xxxxxxxxxx> 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@xxxxxxxxxx>

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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