From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83747274B58; Tue, 14 Oct 2025 20:49:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760474965; cv=none; b=cYLbcmeJ2WRCSjd6OjL7jKiTcN8rwJNqZOvdYwbxhsZV0a3zfPgUheXHevbXOvLztRHHltrZDq/G/xdfsjvEjTNejgmw78BCr34aNqrzJAM1MM/3NU30fDR/5WnGwhpznh7pcO2BTn4ARdyKO3oiKiarDhxoxvTnMjoAfJzZjrg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760474965; c=relaxed/simple; bh=tXxoIaagHe+5VMj+FXUqlWujyDPl5vQQh4jPiiPWkL0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IrVuD4qYm4sS15ujdthRrhCWNLRgFkWHNDPjd0UQdAvSBRaEZsii9Y9xLqMpysTFZNEUBXkFZn2FbTu4QTrcM4vSj2JXJyuptRUTRQPuPsWk/+vonaWzWWAZHUZ+KMFfpYizYFuflBxv4Y9j76jKzfviw9O6HysB4KWO/YIeCDw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=INYZIRSr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="INYZIRSr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7AF3C4CEE7; Tue, 14 Oct 2025 20:49:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760474965; bh=tXxoIaagHe+5VMj+FXUqlWujyDPl5vQQh4jPiiPWkL0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=INYZIRSrT7y702jE2lZ9osZtFn4C2FROtPO81si8JKVE5YyVwJ0X6M3nwdMo8tz11 ber2+g8dRiw6VZCKo7uTr+wwcUiCYCQ0lR2Qw9MGGrmpY8Hxo/rwwmlD5tWxY59HLM 72UDkgsf9SYxEwvbZDFneR4vUVIf4QjUlTAAemlNZjo0JjwBEAbcqJM1yC3iPsNXbB G4x07ssr76MD4diwFdsXsMPIDdldl8V4BpfWR6ZltETs7ZQZ7ixBy6wQEFUzpaPo47 fnuja1AOJIpy1vvMy1z21tzlUcmVCaqEN2TRWEg8tAY/CH6WoHo62S6+Mcwxk1vX3O o4FCOdB2nGOSQ== Message-ID: Date: Tue, 14 Oct 2025 21:49:17 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 0/3] Introduce iommu-map-masked for platform devices To: Dmitry Baryshkov Cc: Robin Murphy , Charan Teja Kalla , joro@8bytes.org, will@kernel.org, saravanak@google.com, conor+dt@kernel.org, robh@kernel.org, mchehab@kernel.org, krzk+dt@kernel.org, abhinav.kumar@linux.dev, vikash.garodia@oss.qualcomm.com, dikshita.agarwal@oss.qualcomm.com, Konrad Dybcio , bjorn.andersson@oss.qualcomm.com, linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev References: <0d0560cc-9757-4c7b-8de4-170148d99481@oss.qualcomm.com> <9d3eeb9f-b8ea-48e5-a1d9-0865f63ef991@arm.com> <8d88cd9d-16e8-43f9-8eb3-89862da1d0c1@arm.com> <6gx74wxie4wcabq27wo5y7v36uuurez4jxlzanroepqazdlgtw@sdtv2ld47d3q> From: Bryan O'Donoghue Content-Language: en-US In-Reply-To: <6gx74wxie4wcabq27wo5y7v36uuurez4jxlzanroepqazdlgtw@sdtv2ld47d3q> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 14/10/2025 19:35, Dmitry Baryshkov wrote: >> Each function id can be associated with a device and a compat string >> associated with it. > So, which part of the hardware is described by the -cb device? What does > it mean_here_? The non-pixel path video encoder, the tz video encoder... What's not clear about that ? --- bod