Re: [PATCH 2/2] cpufreq: scpi: remove arm_big_little dependency

From: Sudeep Holla
Date: Wed Jan 10 2018 - 11:45:39 EST




On 10/01/18 14:46, Viresh Kumar wrote:
> On 09-01-18, 16:49, Sudeep Holla wrote:
>> The dependency on physical_package_id from the topology to get the
>> cluster identifier is wrong. The concept of cluster used in ARM topology
>> is unfortunately not well defined in the architecture, we should avoid
>> using it. Further the frequency domain need not be mapped to so called
>> "clusters" one to one.
>>
>> SCPI already provides means to obtain the frequency domain id from the
>> device tree. In order to support some new topologies(e.g. DSU which
>> contains 2 frequency domains within the physical cluster), pseudo
>> clusters are created to make this driver work which is wrong again.
>>
>> In order to solve those issues and also remove dependency of topological
>> physical id for frequency domain, this patch removes the arm_big_little
>> dependency from scpi driver.
>>
>> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
>> Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
>> ---
>> drivers/cpufreq/scpi-cpufreq.c | 193 +++++++++++++++++++++++++++++++++++++----
>> 1 file changed, 178 insertions(+), 15 deletions(-)
>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>

Thanks :)

--
Regards,
Sudeep