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 992C93C0A08 for ; Thu, 14 May 2026 13:19:27 +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=1778764769; cv=none; b=dYMBLDH3K0cOZTW2tKKGBVbkzzaSyjMrdDpL/PQIDcVDI0XqwqEcRMzwRQsfO7iL3karskB0INwUGmLLblCKpOXxM4CG/dSPCxU5qIiDs5pEBgiwau7MjWDPlU7UxCDa3meXVmkau+GbLZJg+XF1/jTP1ClNUzvwQC5KbsTs1bc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778764769; c=relaxed/simple; bh=bvjSbqa0p7Z+uEjFQabmmM4Zir3KgH00PehO0lgDGIc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=o0GWRJirMYZjqdgQ/P+FN/26EuIlGUypbkgKXzakNE3mFaabqCc78kW+y2sPb4uN8XCEc3rD3F18QZvJ5KCD3PzHHFZC/9bEM8UdRsISc3BRtEUJKsYEA7lfV2Wg5TAQozdslU5O98jbhifLTFd2i1CO+7luwXmPVlxylFjwsW8= 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=iETmPvYb; 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="iETmPvYb" 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> 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: <2026051420-amusement-drove-73e6@gregkh> 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