linux-kernel - Re: [PATCH v7 1/6] riscv: mm: dma-noncoherent: Switch using function pointers for cache management

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Message-ID: <c63bace6-1046-4428-97ba-6f12fd119dc6@spud>
Date:   Fri, 31 Mar 2023 08:54:50 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Prabhakar <prabhakar.csengg@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Heiko Stübner <heiko@...ech.de>,
        guoren <guoren@...nel.org>,
        Andrew Jones <ajones@...tanamicro.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Samuel Holland <samuel@...lland.org>,
        <linux-riscv@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>,
        "Lad, Prabhakar" <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v7 1/6] riscv: mm: dma-noncoherent: Switch using function
 pointers for cache management

On Thu, Mar 30, 2023 at 11:34:02PM +0200, Arnd Bergmann wrote:
> On Thu, Mar 30, 2023, at 22:42, Prabhakar wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

> > +#ifdef CONFIG_ERRATA_THEAD_CMO
> 
> I would rename this to not call this an 'ERRATA' but
> just make it a driver. Not important though, and there
> was probably a reason you did it like this.

I think what was discussed in a prior iteration was that we'd leave
refactoring the T-HEAD bits into a driver for a subsequent work.

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