From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 01BB74734EE for ; Mon, 14 Sep 2026 13:04:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789391046; cv=none; b=NCcSfoKsQw3tzJBwqs7L7KaDhggSBYMLVsUjs8Jo3hFA8dq12SR0kQt5w+SlpHxBpApP/y0qORC0GTPYJgZHCK6AHX11zklt5e9Coh/6e0jrJVSeoKUYXcQ18TFmV9lztyF5NWkFCslZ+9+LzcLrj1+2zF7huNZrg46kemD1INk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789391046; c=relaxed/simple; bh=27WhJHw+wdi8jw8D9edQJlOm2hP65aaJOCyPs9cmJAs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ARvqhkUo4sKbeAi4jN2fTAbrPf+qPE90xi746tda3XrZGp7+rB5GfmMGE5BZ6dOzAsOcqFa9wZuk+L1ObAFJjvTHplOa0pg54Ipw8veH20U91/o7vepWihnj1EGbzkeBigDDnjdIRVrobZ2wsc8aUel579SnWbh6ZXc3GENBG8w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=ql147+2n; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="ql147+2n" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C24101570; Mon, 14 Sep 2026 06:04:00 -0700 (PDT) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0E7063F59E; Mon, 14 Sep 2026 06:03:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789391044; bh=27WhJHw+wdi8jw8D9edQJlOm2hP65aaJOCyPs9cmJAs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ql147+2nskpgnc7uM6EzX9Tjh1eIHq+F7P0cfA5/E8bopcShrbZ4VI8MBR7uPalRC LMZCG4jkFgtQcxmliI4sMQ20tsGG95mwY2Z9asd6uL1hxDwkN38mcSUmCZSQJDJJe6 TeEkYftp83ApnqWmZc+jVfbzVVsFxuGM/wFmRJro= Date: Mon, 14 Sep 2026 14:03:48 +0100 From: Catalin Marinas To: "Aneesh Kumar K.V (Arm)" Cc: linux-coco@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jason Gunthorpe , Greg KH , Jeremy Linton , Jonathan Cameron , Lorenzo Pieralisi , Mark Rutland , Sudeep Holla , Will Deacon , Steven Price , Suzuki K Poulose , Andre Przywara , Sudeep Holla Subject: Re: [PATCH v11 1/7] firmware: smccc: Add an Arm SMCCC bus Message-ID: References: <20260914060511.277948-1-aneesh.kumar@kernel.org> <20260914060511.277948-2-aneesh.kumar@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260914060511.277948-2-aneesh.kumar@kernel.org> On Mon, Sep 14, 2026 at 11:35:05AM +0530, Aneesh Kumar K.V (Arm) wrote: > SMCCC-discovered firmware services are currently represented by separate > platform devices, such as smccc_trng and arm-cca-dev. Those devices do not > represent independent DT/ACPI-described platform resources; they are > features of the SMCCC firmware interface. > > Add an Arm SMCCC bus for services discovered through the SMCCC firmware > interface. The bus provides SMCCC device and driver registration helpers, > name-based matching, modalias generation, and a sysfs modalias attribute so Nit: "name-based matching" is no longer true. The latest series uses function ID. Reviewed-by: Catalin Marinas