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

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Message-Id: <20190625230221.A1C772084B@mail.kernel.org>
Date:   Tue, 25 Jun 2019 16:02:20 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Mike Turquette <mturquette@...libre.com>,
        Stefan Wahren <stefan.wahren@...e.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-kernel@...r.kernel.org, mbrugger@...e.de,
        viresh.kumar@...aro.org, rjw@...ysocki.net, eric@...olt.net,
        bcm-kernel-feedback-list@...adcom.com, ptesarik@...e.com,
        linux-rpi-kernel@...ts.infradead.org, ssuloev@...altech.com,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 0/7] cpufreq support for Raspberry Pi

Quoting Stefan Wahren (2019-06-22 02:54:47)
> 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?
> 

Oh I missed this. I can apply the clk patches most likely assuming it
doesn't break anything bisection-wise.