linux-kernel - Re: [PATCH 5/6] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC kconfig option

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Date:   Wed, 27 Jul 2022 09:19:18 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Conor.Dooley@...rochip.com
Cc:     "Lad, Prabhakar" <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>, aou@...s.berkeley.edu,
        anup@...infault.org,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 5/6] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC kconfig option

Hi Conor,

Thank you for the review.

On Tue, Jul 26, 2022 at 7:49 PM <Conor.Dooley@...rochip.com> wrote:
>
> On 26/07/2022 19:06, Lad Prabhakar wrote:
> > 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>
> > ---
> >  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
>
> Hmm, I guess since it is very late in the day for v5.20 and there
> appear to be some issues with the SOC_ symbol breaking the dts build
> anyway, this is likely to be v5.21 content anyway...
>
I was targeting this for v5.21 ;)

> ...but I would be wary of adding ARCH_ symbols from ARM archs prior
> to figuring out what we actually want symbols in Kconfig.socs to
> actually  at LPC or w/e. Palmer?
>
> > +     bool
> > +     select GPIOLIB
> > +     select PINCTRL
> > +     select SOC_BUS
> > +
> > +config SOC_RENESAS_RZFIVE
>
> I would like to see this added to the default defconfig so that
> it has dtbs_check coverage by default.
>
Agreed, I will include it in the next version.

Cheers,
Prabhakar