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

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Message-ID: <c4a44c39-5448-47d5-aeb1-32bab6e57047@kernel.org>
Date: Thu, 27 Feb 2025 12:48:34 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Thierry Bultel <thierry.bultel.yh@...renesas.com>,
 Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: "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 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.

> 
> 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
>         help
>           This enables support for the Renesas RZ/T2H SoC variants.

Yes and then run savedefconfig and check if defconfig needs this symbol.

Best regards,
Krzysztof