Re: [PATCH v4 0/7] cpufreq support for Raspberry Pi

From: Stefan Wahren
Date: Sat Jun 22 2019 - 05:55:18 EST


Hi Stephen,
hi Mike,

Am 13.06.19 um 06:31 schrieb Stefan Wahren:
> Hi Florian,
> hi Stephen,
>
> Am 13.06.19 um 05:31 schrieb Florian Fainelli:
>> On 6/12/2019 11:24 AM, Nicolas Saenz Julienne wrote:
>>> Hi all,
>>> this aims at adding cpufreq support to the Raspberry Pi family of
>>> boards.
>>>
>>> The series first factors out 'pllb' from clk-bcm2385 and creates a new
>>> clk driver that operates it over RPi's firmware interface[1]. We are
>>> forced to do so as the firmware 'owns' the pll and we're not allowed to
>>> change through the register interface directly as we might race with the
>>> over-temperature and under-voltage protections provided by the firmware.
>>>
>>> Next it creates a minimal cpufreq driver that populates the CPU's opp
>>> table, and registers cpufreq-dt. Which is needed as the firmware
>>> controls the max and min frequencies available.
>>>
>>> This was tested on a RPi3b+ and RPI2b, both using multi_v7_defconfig and
>>> arm64's defconfig.
>> How do we go about merging this? Stefan, will you pick up patch 3, 6 and
>> 7 and submit them for 5.3/5.4? Viresh has already picked up patch 4.
> is it possible to let patches 1,2, 3 and 5 go via clk-tree?
>
> I would take care of 6 and 7.
>
> Stefan
are you fine with the series, since Viresh already picked up patch 4?

are you okay with my suggestion above?

Stefan