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 50BC8CD4851 for ; Thu, 14 May 2026 13:19:41 +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=M0rHqF59dBmsyHONS7wxB3lUXFRUpMtKfIks0Vd+uVY=; b=JKlc3mJvx3bJgsp+3K55QanRdH RJCggE0sQqY185P9IQYLac26QS/1uwTxtMfUSBvJ2+EfUF5HB8PVBZxiID7vmmNw9JNpTayslLcRi oCoLt56cyx8ad74j5V9/TylRVWnwkWfL+AQnI+7VyT5WToPVT8XZQfceX8WV0D4vqlXhvRvTYAlYC bF2dEctpaac6YnOEOGRb7etDHglaioqzA6WZi6qzCHFve5VF3bIMpn4YHc+RQ4PiqQwYcWEokT4uG rkVFsaU+AExyzEQ/wsYw1vyAIGcc5s5Oe2itQNIe0ywlqFSqXuYy4SCD0lJKXvPb/LvokcSABmqrS OnNK/Y1A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wNVyO-00000005aB2-2U7O; Thu, 14 May 2026 13:19:32 +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 1wNVyM-00000005aA9-2LwT for linux-arm-kernel@lists.infradead.org; Thu, 14 May 2026 13:19:31 +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 33BC81762; Thu, 14 May 2026 06:19:21 -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 C319B3F836; Thu, 14 May 2026 06:19:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1778764766; bh=bvjSbqa0p7Z+uEjFQabmmM4Zir3KgH00PehO0lgDGIc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iETmPvYbqiV0N/aiYARhQek+UffSXn79zj5YA9WS4yD+yeXx4mAIhbQsUWLncIpPO 20U+Kp8leOgaC+F2cVwMzGr4bHbRjFUf19NWgMoCNYTq+zy9X8lSZliQTSgFNrca1Q cJ3qx4wjhH0T/da+5ac8GRrbWLfexf3/a54Ynmbk= Date: Thu, 14 May 2026 14:19:19 +0100 From: Catalin Marinas To: Greg KH Cc: Suzuki K Poulose , "Aneesh Kumar K.V (Arm)" , linux-coco@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jeremy Linton , Jonathan Cameron , Lorenzo Pieralisi , Mark Rutland , Sudeep Holla , Will Deacon , Steven Price Subject: Re: [PATCH v5 1/3] firmware: smccc: coco: Manage arm-smccc platform device and CCA auxiliary drivers Message-ID: References: <20260514094030.42495-1-aneesh.kumar@kernel.org> <20260514094030.42495-2-aneesh.kumar@kernel.org> <0c88bcee-65b5-4328-87e6-e1c714c3d1ca@arm.com> <2026051420-amusement-drove-73e6@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2026051420-amusement-drove-73e6@gregkh> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260514_061930_715365_F9B3DAD1 X-CRM114-Status: GOOD ( 16.37 ) 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 Thu, May 14, 2026 at 02:55:48PM +0200, Greg Kroah-Hartman wrote: > On Thu, May 14, 2026 at 12:04:13PM +0100, Suzuki K Poulose wrote: > > On 14/05/2026 10:40, Aneesh Kumar K.V (Arm) wrote: > > > Make the SMCCC driver responsible for registering the arm-smccc platform > > > device and after confirming the relevant SMCCC function IDs, create > > > the arm_cca_guest auxiliary device. > > > > > > > There are a few changes squashed in to this patch. Please could we > > split the patch in the following order ? > > > > 1. Add platform device for arm-smccc > > Do not make any more "fake" platform devices please. > > > 2. Move TRNG to Auxilliary Device - (Even though it is a later patch, move > > it before the RSI changes) > > No, move it to the faux api please. So should we end up with: /sys/devices/faux/arm-smccc/ smccc_trng/ arm-rsi-dev/ tsm/tsm0 /sys/class/tsm/tsm0 -> ../../devices/faux/arm-smccc/arm-rsi-dev/tsm/tsm0 /sys/firmware/cca/ realm_guest -- Catalin