Re: [PATCH 1/2] cpufreq: governors: Get rid of dbs_data->enable field

Fabio Baltieri
2013-01-31T18:45:31Z

On Thu, Jan 31, 2013 at 10:58:01PM +0530, Viresh Kumar wrote:
> CPUFREQ_GOV_START/STOP are called only once for all policy->cpus and hence we
> don't need to adapt cpufreq_governor_dbs() routine for multiple calls.
>
> So, this patch removes dbs_data->enable field entirely. And rearrange code a
> bit.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---
> Hi Fabio,
>
> I have fixed all the pending issues, but haven't checked these patches. Can you
> please add your tested-by (obviously after testing them) ?
>
> Compile tested only.

Hello Viresh, thanks for getting this done... looks much cleaner now!

I tested both patches on my ux500 setup (dual Cortex-A9) and it seems to
run correctly on both CPU load changes and CPU hotplug, so:

Tested-by: Fabio Baltieri <fabio.baltieri@linaro.org>

As a sidenote, I noticed just now that since:

bc92bea cpufreq: Notify governors when cpus are hot-[un]plugged

governor's sampling_rate gets reset to default every time you hotplug a
CPU (the one you read/write on
/sys/devices/system/cpu/cpufreq/ondemand/sampling_rate).

If you need further tests, I'll be back on Monday.

Thanks,
Fabio

--
Fabio Baltieri