From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 845EBC88E64 for ; Mon, 14 Sep 2026 13:04:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kAfibhMbeqlyk7jJtIMmqI3uMYiuHPfbP2vt8pA7KkY=; b=N0i2fDFk3WuEgULwAcQoQONPEm 39aDWAhJnq90zx89M7ru8x3TNzmNs24UZB1l/PGp3vHiM2PcB5zcm398iGfM1eUmMQKn1YHRveASL paxKDmiwNeJ/kNkHG+PTAKqNvIsNoqOhfAxB5d5jsEVZ8iD3rWSiJTFvO/4akBe1IlyIj8bemRrli AwlmDKBhH//P8zsoAs0yJ9EPIuXHgnCC3jp+tgsKgP3WTSouhEz2v65ulTJKI4vTwJhXYWQXiXBEi WaXZw6idzEyn6Vr9J6azBl/L3XTSdXbjTdQ7gl9pT5yxggTOJFzlhnRl51JoPtFbNxNt+IG/HWljv vBvssqRQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x66Ly-00000003gj6-10ks; Mon, 14 Sep 2026 13:04:10 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x66Lv-00000003giJ-0viE for linux-arm-kernel@lists.infradead.org; Mon, 14 Sep 2026 13:04:08 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260914060511.277948-2-aneesh.kumar@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260914_060407_301797_0E7640D9 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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