linux-kernel - Re: [PATCH v2 07/10] clk: renesas: r9a08g045: Add support for power domains

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Message-ID: <58d90c1c-0c3c-4818-9d5c-d0c7661d0cf4@tuxon.dev>
Date: Wed, 10 Apr 2024 13:32:31 +0300
From: claudiu beznea <claudiu.beznea@...on.dev>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 magnus.damm@...il.com, linux-renesas-soc@...r.kernel.org,
 linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH v2 07/10] clk: renesas: r9a08g045: Add support for power
 domains

Hi, Geert,

On 14.03.2024 18:01, Geert Uytterhoeven wrote:
> On Thu, Mar 7, 2024 at 3:07 PM Claudiu <claudiu.beznea@...on.dev> wrote:
>> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>>
>> Instantiate power domains for the currently enabled IPs of R9A08G045 SoC.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>> ---
>>
>> Change in v2:
>> - used DEF_REG_CONF() to describe register offests and bits
>> - updated MSTOP bitmask for ddr domain
>> - updated MSTOP config for oftde_ddr
>> - kept the same description for gic as the CPG_BUS_ACPU_MSTOP register
>>   documentation in the latest HW manual version is wrong and it will be
>>   fixed; proper description for GIC is located in "Registers for Module
>>   Standby Mode" table
>> - haven't added watchdog domain (was missing in v1, too, by mistake) as
>>   the watchdog restart handler will fail w/o patch [1]; with this pm domain
>>   support the watchdog will fail to probe; not sure what is the best
>>   option until [1] will be integrated
>>
>> [1] https://patchwork.kernel.org/project/linux-renesas-soc/patch/20240228083253.2640997-10-claudiu.beznea.uj@bp.renesas.com
> 
> I guess we'll have to wait until that dependency is integrated,

I opt for this option to not break the reset support currently integrated.
I don't have any feedback from maintainers yet on [1], though. I don't know
how long it will take.

Thank you,
Claudiu Beznea


> or use an immutable branch?
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds