linux-kernel - Re: [PATCH v3 13/13] arm64: defconfig: Enable Renesas RZ/T2H SoC option

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Message-ID: <6323eb7a-03e9-4678-ac4f-f90052d0aace@kernel.org>
Date: Thu, 27 Feb 2025 14:34:32 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Thierry Bultel <thierry.bultel.yh@...renesas.com>,
 "thierry.bultel@...atsea.fr" <thierry.bultel@...atsea.fr>,
 "linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
 Paul Barker <paul.barker.ct@...renesas.com>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 13/13] arm64: defconfig: Enable Renesas RZ/T2H SoC
 option

On 27/02/2025 14:25, Geert Uytterhoeven wrote:
> Hi Krzysztof,
> 
> On Thu, 27 Feb 2025 at 12:48, Krzysztof Kozlowski <krzk@...nel.org> wrote:
>> On 27/02/2025 11:48, Thierry Bultel wrote:
>>>> This is fine, I am not against fine-grained SoC-enable options. However
>>>> all your SoCs should be enabled by default (default y if ARCH_RENESAS or
>>>> any other option which works for you) thus you won't be growing user-
>>>> selectable choices.
>>>>
>>>> Strictly speaking this still will be choice, because you need to trim
>>>> config, but all people and all distros will just ignore it  and don't see
>>>> it in defconfig.
>>>>
>>>
>>> I understand.
>>>
>>> All the ARCH_XXX SoC options are already under a menuconfig section, which
>>> is defaulted to 'y' if ARCH_RENESAS.
>>
>> Indeed and it actually cannot have "if ARCH_RENESAS" due to how compile
>> test is enabled there.
> 
> Sorry, I don't get what you mean here...

Probably I got top-level COMPILE_TEST opposite and it actually should be
"if ARCH_RENESAS" as I suggested. Otherwise it would be enabled by
default for compile tests.


> 
>>> So I guess that this simple additional change would make it:
>>>
>>> diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
>>> index 91a815e0a522..231880c21aa7 100644
>>> --- a/drivers/soc/renesas/Kconfig
>>> +++ b/drivers/soc/renesas/Kconfig
>>> @@ -358,6 +358,7 @@ config ARCH_R9A09G057
>>>
>>>  config ARCH_R9A09G077
>>>         bool "ARM64 Platform support for RZ/T2H"
>>> +       default y
> 
> Please add "if ARCH_RENESAS" iff we decide to go this route...

Yeah, like I suggested earlier.



Best regards,
Krzysztof