linux-kernel - Re: [PATCH v7 5/5] rockchip/soc/drivers: Add DTPM description for rk3399

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Message-ID: <31c6898b-e6f0-5118-119a-13e01e9fa507@linaro.org>
Date:   Wed, 26 Jan 2022 10:58:00 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Rob Herring <robh@...nel.org>, lukasz.luba@....com,
        Heiko Stuebner <heiko@...ech.de>, arnd@...aro.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        "moderated list:ARM/Rockchip SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC support" 
        <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v7 5/5] rockchip/soc/drivers: Add DTPM description for
 rk3399

On 26/01/2022 10:40, Geert Uytterhoeven wrote:
> Hi Daniel,
> 
> On Tue, Jan 25, 2022 at 6:18 PM Daniel Lezcano
> <daniel.lezcano@...aro.org> wrote:
>> The DTPM framework does support now the hierarchy description.
>>
>> The platform specific code can call the hierarchy creation function
>> with an array of struct dtpm_node pointing to their parent.
>>
>> This patch provides a description of the big / Little CPUs and the
>> GPU and tie them together under a virtual 'package' name. Only rk3399 is
>> described now.
>>
>> The description could be extended in the future with the memory
>> controller with devfreq.
>>
>> The description is always a module and it describes the soft
>> dependencies. The userspace has to load the softdeps module in the
>> right order.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> 
> Thanks for your patch!
> 
>> ---
> 
> Can you please insert a changelog here, especially if you don't CC all
> parties on the cover letter?

Ah yes, will do in the future

> Yes, I can get it from lore, but it's easier for the audience if it's included
> here.

Changelog:
   V7:
   - No changes

   V6:
   - Made rk3399 always as a module and added module softdeps

   V5:
   - Module creation





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