linux-kernel - Re: [PATCH 06/24] RISC-V: ACPI: Add PCI functions to build ACPI core

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Date:   Tue, 14 Feb 2023 10:12:13 +0530
From:   Sunil V L <sunilvl@...tanamicro.com>
To:     Jessica Clarke <jrtc27@...c27.com>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Anup Patel <apatel@...tanamicro.com>,
        linux-doc@...r.kernel.org, Atish Patra <atishp@...osinc.com>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Andrew Jones <ajones@...tanamicro.com>
Subject: Re: [PATCH 06/24] RISC-V: ACPI: Add PCI functions to build ACPI core

On Mon, Feb 13, 2023 at 05:26:13PM +0000, Jessica Clarke wrote:
> On 30 Jan 2023, at 18:22, Sunil V L <sunilvl@...tanamicro.com> wrote:
> > 
> > When CONFIG_PCI is enabled, ACPI core expects few arch
> > functions related to PCI. Add those functions so that
> > ACPI core gets build. These are levraged from arm64.
> 
> Presumably this is pretty generic and applies to anything without x86
> weirdness. Copying all this supposedly architecture specific code
> that’s really generic seems like bad practice to me as an outsider.
> Should this not be unifying the two in a shared location as has been
> done for other subsystems?

Make sense. Let me add these functions in a common location pci-acpi.c
for RISC-V. Other architectures can migrate to this in future.

Thanks,
Sunil