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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="eaw/6xZS"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B030D606A31B; Tue, 27 Oct 2026 16:18:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=eaw/6xZS Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17FA41F01825; Tue, 27 Oct 2026 16:18:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793117893; bh=gzqWKjNAt9lqP6pzm2jk44aYuqndLp4yTwvo+4KqEyE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=eaw/6xZSvd/iUmSOi8x3BJdGmmK2e2Au+98Gmi/jqPb/fsxjYFyg2asyyhJnch6aW wiiYi0eITIbZDq54HaW38SGswS0qGyltyrmNEvvLUgZrcg3MfWR9qehG4imuCVOpGL JLBJMFg4bFYLFuqGqIHPNPdaHWv4b1hxzIOgmIltqxGKohsv70X69oBDXW+gIkAM9P 6ksq060/PG/zOz5Emn8kneLWdVFzz4b9Fry3mL204ZqJhnBuP6P3beekO0yFayQ3hq GdLB0wZ1l9tZcPdFY3Dx++WAI2wf8fFk1D10texSvMGm5UdAm082/dyBMfy0jfVO2w miwbGbIVbN6NA== Date: Tue, 27 Oct 2026 16:18:04 +0000 From: Sudeep Holla To: Michal Simek Cc: gaohan@iscas.ac.cn, Cristian Marussi , Rob Herring , Sudeep Holla , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Zhiguo Zhu , Jassi Brar , Linus Walleij , Bartosz Golaszewski , Philipp Zabel , Thomas Gleixner , Radu Rendec , Samuel Holland , Daniel Lezcano , Anup Patel , Stephen Boyd , Brian Masney , Jerome Brunet , Greg Kroah-Hartman , Jiri Slaby , Drew Fustini , Icenowy Zheng , Inochi Amaoto , Vivian Wang , Yao Zi , Jiaxun Yang , arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-gpio@vger.kernel.org, Paul Walmsley , linux-clk@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: [PATCH RFC 01/18] firmware: arm_scmi: Allow SCMI transports on RISC-V Message-ID: <20261027-quaint-demonic-poodle-6c1e10@sudeepholla> References: <20261027-a210-scmi-v1-0-74d58ce85bd8@iscas.ac.cn> <20261027-a210-scmi-v1-1-74d58ce85bd8@iscas.ac.cn> <3d38c4a5-1a12-4af1-ac2e-413a457ce4c5@amd.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3d38c4a5-1a12-4af1-ac2e-413a457ce4c5@amd.com> On Tue, Oct 27, 2026 at 04:51:36PM +0100, Michal Simek wrote: > > > On 10/27/26 16:36, Han Gao via B4 Relay wrote: > > From: Han Gao > > > > Mailbox and shared-memory SCMI transports do not require ARM execution. > > Allow RISC-V platforms to use the existing SCMI core and protocol drivers; > > architecture-specific transports retain their own dependencies. > > > > Signed-off-by: Han Gao > > --- > > drivers/firmware/arm_scmi/Kconfig | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig > > index 783c24a20e29..1cfe2b572d18 100644 > > --- a/drivers/firmware/arm_scmi/Kconfig > > +++ b/drivers/firmware/arm_scmi/Kconfig > > @@ -3,7 +3,7 @@ menu "ARM System Control and Management Interface Protocol" > > config ARM_SCMI_PROTOCOL > > tristate "ARM System Control and Management Interface (SCMI) Message Protocol" > > - depends on ARM || ARM64 || COMPILE_TEST > > + depends on ARM || ARM64 || RISCV || COMPILE_TEST > > > I would prefer to remove ARM || ARM64 dependencies completely that you don't > need to add RISCV there. > Agreed. Before merging, we should trigger exploratory builds across multiple architectures. This will help us catch any hardware-specific dependencies, such as arch-exclusive IO accessors, that I might be overlooking right now. -- Regards, Sudeep