[PATCH v4 0/6] powernv: cpufreq: Report frequency throttle by OCC

Viresh Kumar viresh.kumar at linaro.org
Thu Jul 16 15:14:07 AEST 2015

On 13-07-15, 19:39, Shilpasri G Bhat wrote:
> This patchset intends to add frequency throttle reporting mechanism
> to powernv-cpufreq driver when OCC throttles the frequency. OCC is an
> On-Chip-Controller which takes care of the power and thermal safety of
> the chip. The CPU frequency can be throttled during an OCC reset or
> when OCC tries to limit the max allowed frequency. The patchset will
> report such conditions so as to keep the user informed about reason
> for the drop in performance of workloads when frequency is throttled.
> Changes from v3:
> - Rebased on top of 4.2-rc1
> - Minor changes in patch 2,3,4,6 this does not change the
>   functionality of the code
> - 594fcb9ec9e powerpc/powernv: Expose OPAL APIs required by PRD
>   interface , this patch fixes the build error due to which this
>   series was initially dropped
>   ERROR: ".opal_message_notifier_register"
>   drivers/cpufreq/powernv-cpufreq.ko] undefined!

I have already Acked v3 of this and that applies to this one as well..


More information about the Linuxppc-dev mailing list