linux-kernel - Re: [PATCH v3 05/10] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC kconfig option

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Date:   Thu, 15 Sep 2022 20:58:58 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <prabhakar.csengg@...il.com>, <geert+renesas@...der.be>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>
CC:     <heiko@...ech.de>, <atishp@...osinc.com>,
        <devicetree@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-renesas-soc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <biju.das.jz@...renesas.com>,
        <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 05/10] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC
 kconfig option

On 15/09/2022 19:15, Prabhakar wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> Introduce SOC_RENESAS_RZFIVE config option to enable Renesas RZ/Five
> (R9A07G043) SoC, along side also add ARCH_RENESAS config option as most
> of the Renesas drivers depend on this config option.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
> v2->v3
> * Included RB tag from Geert
> 
> v1->v2
> * No Change
> ---
>  arch/riscv/Kconfig.socs | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index 69774bb362d6..91b7f38b77a8 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -80,4 +80,18 @@ config SOC_CANAAN_K210_DTB_SOURCE
> 
>  endif # SOC_CANAAN
> 
> +config ARCH_RENESAS
> +       bool
> +       select GPIOLIB
> +       select PINCTRL
> +       select SOC_BUS

Do you really need to select SOC_BUS?
Noone else does on RISC-V, hence my curiosity.

> +
> +config SOC_RENESAS_RZFIVE
> +       bool "Renesas RZ/Five SoC"
> +       select ARCH_R9A07G043
> +       select ARCH_RENESAS
> +       select RESET_CONTROLLER
> +       help
> +         This enables support for Renesas RZ/Five SoC.

:thinking: isn't this pretty much what we decided not to do?
And instead you would redefine ARCH_RENESAS in this file and
not use SOC_RENESAS* at all? Will save me having to purge the
the SOC symbol when I do the conversion.

Thanks,
Conor.

> +
>  endmenu # "SoC selection"
> --
> 2.25.1
>