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

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Date:   Wed, 12 Jun 2019 22:17:11 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-kernel@...r.kernel.org
Cc:     mbrugger@...e.de, viresh.kumar@...aro.org, rjw@...ysocki.net,
        sboyd@...nel.org, eric@...olt.net, f.fainelli@...il.com,
        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,
        mturquette@...libre.com, linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 0/7] cpufreq support for Raspberry Pi

Hi Nicolas,

Am 12.06.19 um 20:24 schrieb Nicolas Saenz Julienne:
> 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.
>
this whole series is:

Acked-by: Stefan Wahren <stefan.wahren@...e.com>

Thanks