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SubjectRe: [RFC-next 0/1] Odroid C2: Enable DVFS for cpu
On 09/12/2019 23:12, Kevin Hilman wrote:
> Anand Moon <> writes:
>> Some how this patch got lost, so resend this again.
>> [0]
>> This patch enable DVFS on GXBB Odroid C2.
>> DVFS has been tested by running the arm64 cpuburn
>> [1]
>> PM-QA testing
>> [2] [cpufreq testcase]
>> Tested on latest U-Boot 2019.07-1 (Aug 01 2019 - 23:58:01 +0000) Arch Linux ARM
> Have you tested with the Harkernel u-boot?
> Last I remember, enabling CPUfreq will cause system hangs with the
> Hardkernel u-boot because of improperly enabled frequencies, so I'm not
> terribly inclined to merge this patch.

Same, since the bootloader boots with the max supported freq of the board,
there is not real need of DVFS except for specific low-power use-cases.

And still, some early boards still use the bad SCPI freq table, we can't break them.


>> Patch based on my next-20191031 for 5.5.x kernel.
>> Hope this is not late entry.
> Re: "too late". FYI... when you post things as RFC, it means you're
> looking for comments (Request For Comment) but that it's not intended
> for merging.
> I didn't see any comments on this, but I also didn't see a non-RFC
> follow-up, so I didn't queue it for v5.5.
> Kevin

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