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 3248216EB42; Wed, 29 Oct 2025 15:47:22 +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=1761752843; cv=none; b=qCPWOQq82EyCcTU2Bv6JS21jqsggL/4If2kdzugnt5ymwJMuGi5u+Zmxqp2rSzycOR6hW5CIIgHgZ/Z2rZpMG2qrKE8iSX9U7UeHmfAolrtl5ZAKiqz56EcRLw+W2Kw4hwchmXpcjapjxpxYmZPTDvEbbYEErRmJRwChZ6EDW6U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761752843; c=relaxed/simple; bh=kx4lfOlWzzCOv+F2rUhUvaeZEhKhX9boGFjpX0x9Y1I=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=oio2SWZYo7EQuunQJq7WLNKQqdgr74u94JhkJ9aW8XSFgxS2yhRKKAACdVS4IOYu/pmbuQb/zmhtHWek852HF7R+ufrdXxkqNlg3gCIP8l/z/kekCqMKsUx19TUfUeOGwz2dvTjjaApk2VJTmJwtumpn2i+J9DE/y8AsC6OxWqI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K5M+NB13; 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="K5M+NB13" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2AA5C4CEF7; Wed, 29 Oct 2025 15:47:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761752842; bh=kx4lfOlWzzCOv+F2rUhUvaeZEhKhX9boGFjpX0x9Y1I=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=K5M+NB13bBR5ZxOkdWddhhkGi92DUeK78a8cTh4cxTD49VuDcvvW71FJ7N/KhWFrJ /NNIfwpCitv3WyveChqHHKjnSCcEv2+Abvh4UAEcIeEgqNnT78LMIeBS8clNASf++v 6S+b54mwS/9pw0xYuUjvUFbOia323FBkE9r+3AOeXYoVoQUwXSDbjvjZlECf09GhYy iv9OT++opa2KkQgQu7dLm1XYLPs89UVphHhfAt9QfN2uoqQO0Rx7ZkViD5J8IvlRo0 ba0ot6W7cmk7u7JGZeAbnTejp1z7h/5pYhGqf4BRUTAI/55pGKKCRhRVZ5SRNVtI+w 0rGVd7KFfl98w== Message-ID: Date: Wed, 29 Oct 2025 16:47:17 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] dt-bindings: mailbox: qcom: Add IPCC support for Kaanapali Platform To: Bjorn Andersson , Jingyi Wang Cc: Manivannan Sadhasivam , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20251029-knp-ipcc-v2-0-8ba303ab82de@oss.qualcomm.com> <20251029-knp-ipcc-v2-1-8ba303ab82de@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/10/2025 16:16, Bjorn Andersson wrote: > On Wed, Oct 29, 2025 at 01:15:09AM -0700, Jingyi Wang wrote: >> Add the physical client ids and binding for Kaanapali platform. Physical >> client IDs instead of virtual client IDs are used for qcom new platforms >> in the Inter Process Communication Controller (IPCC) driver as virtual to >> physical mapping logic is removed in HW. > > Happy to see the description of what changed wrt physical vs virtual > client IDs, but you're leaving the task of figuring out how this > explanation is applicable to the imagination of the reader. > > Nobody knows that the values in dt-bindings/mailbox/qcom-ipcc.h are > "virtual client IDs", so it's not clear that you're trying to provide an > explanation to why a new, platform-specific, header file is needed here. > > Physical or virtual, standard expectation is that they are used by the driver. This does not happen here, so what do they exactly represent? Which part of SW ABI? Best regards, Krzysztof