linux-kernel - Re: [PATCH v10 00/24] Linux SBI MPXY and RPMI drivers

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Message-ID: <6d91bd27-bdad-1348-661a-cd2eb84f6250@kernel.org>
Date: Thu, 25 Sep 2025 20:07:53 -0600 (MDT)
From: Paul Walmsley <pjw@...nel.org>
To: Anup Patel <apatel@...tanamicro.com>
cc: Michael Turquette <mturquette@...libre.com>, 
    Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
    Krzysztof Kozlowski <krzk+dt@...nel.org>, 
    Conor Dooley <conor+dt@...nel.org>, Jassi Brar <jassisinghbrar@...il.com>, 
    Thomas Gleixner <tglx@...utronix.de>, 
    "Rafael J . Wysocki" <rafael@...nel.org>, 
    Mika Westerberg <mika.westerberg@...ux.intel.com>, 
    Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
    Linus Walleij <linus.walleij@...aro.org>, 
    Bartosz Golaszewski <brgl@...ev.pl>, 
    Uwe Kleine-König <ukleinek@...nel.org>, 
    devicetree@...r.kernel.org, Andrew Jones <ajones@...tanamicro.com>, 
    Alexandre Ghiti <alex@...ti.fr>, Atish Patra <atish.patra@...ux.dev>, 
    Leyfoon Tan <leyfoon.tan@...rfivetech.com>, 
    Anup Patel <anup@...infault.org>, linux-kernel@...r.kernel.org, 
    Samuel Holland <samuel.holland@...ive.com>, linux-acpi@...r.kernel.org, 
    Palmer Dabbelt <palmer@...belt.com>, 
    Paul Walmsley <paul.walmsley@...ive.com>, linux-riscv@...ts.infradead.org, 
    Len Brown <lenb@...nel.org>, linux-clk@...r.kernel.org, 
    Rahul Pathak <rpathak@...tanamicro.com>
Subject: Re: [PATCH v10 00/24] Linux SBI MPXY and RPMI drivers

On Mon, 18 Aug 2025, Anup Patel wrote:

> The SBI v3.0 (MPXY extension) [1] and RPMI v1.0 [2] specifications
> are ratified by the RISC-V International.
> 
> Currently, most of the RPMI and MPXY drivers are in OpenSBI whereas
> Linux only has SBI MPXY mailbox controller driver, RPMI clock driver
> and RPMI system MSI driver This series also includes ACPI support
> for SBI MPXY mailbox controller and RPMI system MSI drivers.
> 
> These patches can be found in the riscv_sbi_mpxy_mailbox_v10 branch
> at: https://github.com/avpatel/linux.git
> 
> To test these patches, boot Linux on "virt,rpmi=on,aia=aplic-imsic"
> machine with OpenSBI and QEMU from the dev-upstream branch at:
> https://github.com/ventanamicro/opensbi.git
> https://github.com/ventanamicro/qemu.git
> 
> [1] https://github.com/riscv-non-isa/riscv-sbi-doc/releases
> [2] https://github.com/riscv-non-isa/riscv-rpmi/releases

Thanks, queued for v6.18 (hopefully).


- Paul