[PATCH 2/8] cpufreq: add driver for Armada XP

Viresh Kumar viresh.kumar at linaro.org
Fri Jul 4 09:12:54 PDT 2014


On 4 July 2014 19:45, Andrew Lunn <andrew at lunn.ch> wrote:
> We are talking about legacy devices here, which have been in the field
> for years. There is very little chance of a boot loader
> upgrade. Appended DT is the norm for these devices, and modifying the
> DT would have to happen in kernel.

FWIW, I should mention that we don't need to fix DT's at all in your case.
Just add OPPs at runtime using dev_pm_opp_add() API from within
kernel, maybe from your arch/arm/mach-* folder and cpufreq-cpu0
would be able to parse them.

--
viresh



More information about the linux-arm-kernel mailing list