linux-kernel - Re: [PATCH v8 08/24] dt-bindings: clock: Add RPMI clock service message proxy bindings

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Message-ID: <175398062959.3513.15195554063633980579@lazor>
Date: Thu, 31 Jul 2025 09:50:29 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Anup Patel <apatel@...tanamicro.com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Bartosz Golaszewski <brgl@...ev.pl>, Conor Dooley <conor+dt@...nel.org>, Jassi Brar <jassisinghbrar@...il.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Linus Walleij <linus.walleij@...aro.org>, Michael Turquette <mturquette@...libre.com>, Mika Westerberg <mika.westerberg@...ux.intel.com>, Rafael J . Wysocki <rafael@...nel.org>, Rob Herring <robh@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Uwe Kleine-König <ukleinek@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, Paul Walmsley <paul.walmsley@...ive.com>, Alexandre Ghiti <alex@...ti.fr>, Len Brown <lenb@...nel.org>, Sunil V L <sunilvl@...tanamicro.com>, Rahul Pathak <rpathak@...tanamicro.com>, Leyfoon Tan <leyfoon.tan@...rfivetech.com>, Atish Patra <atish.patra@...ux.dev>, Andrew Jones <ajones@...tanamicro.com>, Samuel Holland <samuel.holland@...ive.com>, Anup Patel <anup@...infault.org>, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-acp
  <i@...r.kernel.org>, linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v8 08/24] dt-bindings: clock: Add RPMI clock service message proxy bindings

Quoting Anup Patel (2025-07-28 02:19:23)
> On Sun, Jul 27, 2025 at 11:53 AM Stephen Boyd <sboyd@...nel.org> wrote:
> >
> > It's not providing clks? The SBI firmware is not discoverable? Do you
> > have a pointer to the DTS for this node and the clock controller node in
> > the next patch? I'd like to understand why this is named a clock
> > controller when it doesn't provide clks.
> 
> The firmware driver is not providing clks. Also, the SBI firmware and
> various SBI extensions are indeed discoverable from supervisor software.

If SBI extensions are discoverable from software why do we need a DT
binding?