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 7F477531629 for ; Wed, 23 Sep 2026 15:09:17 +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=1790176159; cv=none; b=olWByNbmovM8L2aCrYPu3/QEwK2cXnMx3MqnLtb6A0+llRJ6CmV013h+izwhLBSfIGqKDVZUmLlERCYE+6BXG6Jp9UcyXLh3cv3XSUGdNEdlYqUxYNFnWAuPszMOgUGchvxn+42WJq+CXY1KvTi1xV3oERwDp1G54DZGCdTD45A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790176159; c=relaxed/simple; bh=EZhJBNxd5DgdGGLZIF38gcgQvX7YQE1kHz/PRhpXS2w=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QA9F6638qZP49wGRGlBMlbPKJGBTX0bnc7We9ld939rDpqNcakuMjFYiug50udny97gbzuMbye2GiKdBP6Sn59SfL2c1n7Y5+u8smvCTy9PYQFhsts5ZopJ0NQCZeeUklsCuKDGaFigqZxOG2zMDtDJ2HdnNxh9+/hsCf8KgzL8= 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=NhpdT+he; 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="NhpdT+he" 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 5E1281713; Wed, 23 Sep 2026 08:09:13 -0700 (PDT) Received: from [192.168.4.158] (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4C1963F86F; Wed, 23 Sep 2026 08:09:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1790176156; bh=EZhJBNxd5DgdGGLZIF38gcgQvX7YQE1kHz/PRhpXS2w=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=NhpdT+heQlDj85e3E4DE1+9t2AiiZ3nDyE5kxR/4EC0Q91kUJB62lbUMWUPRRWLu0 ilcL3i3GHZMlN7f/wXGTSMRXkHBPZrUBpNgp+klVtXUoevFdSgpUuaGqgEEwS97z+X DC/bh2wmEX1GmqzIXKTwY6fVXi0/pYVORCdB+zZc= Message-ID: Date: Wed, 23 Sep 2026 16:09:13 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v13 8/8] coco: guest: arm64: Remove dummy CCA platform device Content-Language: en-GB To: "Aneesh Kumar K.V (Arm)" , linux-coco@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Jason Gunthorpe , Catalin Marinas , Greg KH , Jeremy Linton , Jonathan Cameron , Lorenzo Pieralisi , Mark Rutland , Sudeep Holla , Sudeep Holla , Will Deacon , Steven Price , Andre Przywara , Herbert Xu , Nathan Chancellor , Nicolas Schier , Olivia Mackall , Russell King , Jonathan Cameron References: <20260923140405.1111554-1-aneesh.kumar@kernel.org> <20260923140405.1111554-9-aneesh.kumar@kernel.org> From: Suzuki K Poulose In-Reply-To: <20260923140405.1111554-9-aneesh.kumar@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 23/09/2026 15:04, Aneesh Kumar K.V (Arm) wrote: > The SMCCC firmware driver now creates the arm_smccc bus and instantiates > the CCA RSI device once the RSI ABI is discovered. The arm64-specific > arm-cca-dev platform device stub is therefore no longer needed. > > Userspace now has /sys/firmware/cca/realm_guest as a dedicated CCA Realm > guest indicator. Remove the dummy arm-cca-dev registration. > > Link: https://lore.kernel.org/all/4a7d84b2-2ec4-4773-a2d5-7b63d5c683cf@arm.com > Reviewed-by: Jonathan Cameron > Reviewed-by: Catalin Marinas > Reviewed-by: Jason Gunthorpe > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mark Rutland > Signed-off-by: Aneesh Kumar K.V (Arm) Reviewed-by: Suzuki K Poulose