From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 610C53F888A; Fri, 5 Jun 2026 10:25:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780655141; cv=none; b=K9wZsdKiZV0qf6FIMx3nrwTqysaCjbrT+t50q159/6sK+beV64QVg5d+Wc5EunRtL7Xwq045l99NnSR6TwJnxiyXng3kPrrUectIRikOu6+6SxX+Gjq47X4gxI9rupOia0DvmrZjefsUvgwA9P9BKGldq9h4fj5nR2LAsBsl9b4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780655141; c=relaxed/simple; bh=dwLOre6xW1Q8To8fe43LnQE0w4M9c4nNpJ5BTqdIJNQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EOOk9gvAma83Aa9ilzcIdBA6u3TYpO21APp8UgAAIMAR2AQHP6lP1lg7e0I1kG4HLBEY+CD6BrO4k7ZTGiMRlPCING/bRVWDlYJYD04d0lb8umCbKDNTwd8ItOSyJGNRKgN6MESqjfN8wliJaU6/pY9HuIelX8dL95WRMXKyA4M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RXQ11onh; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RXQ11onh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E3AF1F00893; Fri, 5 Jun 2026 10:25:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780655139; bh=p/UlkNZKDK2umEN7BAAlvGp+ph08Aokvbx7gjjkGXQI=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=RXQ11onhTzGdhKWVHvSmia34MMRadIndQUZrk6hyU6WfGHCO6wyrq1+BnfHzt+FB/ OHaRVoIqFfTuQ7CHLeOwuOz/g7LtZrroI4Px6KOFGT6cP8rS5ZcSZoOObv3vlsM183 D2DplVzZpW8WVuM0BqwytCRPk1FrkalKexRafjHAc8WBC4eT5iGkBiIOtRzmobiZ5t MsL4FoBPIDEZkrXk+fZJzngAFPPab277Fp27TwUzzYu4DssD2o9G1x24Z92BlMgCN5 DQirmRXKTTvwMjMfS3bdCM4JgAx0Dd/Zl9PtHyVP/UUKspL1pT8SCdw5vAIIyVLn4W lJYdQ9P67vPCw== Message-ID: <8b9f8754-48da-4b61-84b8-3688520c7f63@kernel.org> Date: Fri, 5 Jun 2026 11:25:35 +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 v6 5/8] media: qcom: camss: csiphy-3ph: Add Gen2 v1.1 MIPI CSI-2 C-PHY init To: Frank Li , David Heidelberg Cc: Robert Foss , Todor Tomov , Bryan O'Donoghue , Vladimir Zapolskiy , Mauro Carvalho Chehab , Luca Weiss , Petr Hodina , "Dr. Git" , Cory Keitz , Loic Poulain , Konrad Dybcio , Kieran Bingham , Sakari Ailus , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org References: <20260603-qcom-cphy-v6-0-e50de0b557a8@ixit.cz> <20260603-qcom-cphy-v6-5-e50de0b557a8@ixit.cz> <8azU3NvUdGCvWCxLb0gz7FWkTGFL4k_xiBUPp170jiYIQjwHyRqynP_oLG4pjFkIRSY_bo91FQh9ECYlXdXrsw==@protonmail.internalid> From: Bryan O'Donoghue Content-Language: en-US Autocrypt: addr=bod@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 03/06/2026 22:53, Frank Li wrote: >> + {CSIPHY_LN1_CSI_3PH_CTRLn_ADDR(25), 0x00, 0x00, CSIPHY_DEFAULT_PARAMS}, >> + {CSIPHY_LN1_CSI_3PH_CTRLn_ADDR(55), 0x51, 0x00, CSIPHY_DEFAULT_PARAMS}, > what's these magic number in ADDR(x), if it is register, it'd better to use > macro. That's not really feasible for non-Qualcomm, non-vendor document-enabled people to provide. For alot of the code that gets sent to upstream we have magic-numbers for registers only, published in downstream code. We can't demand better documentation from community members who simply don't have it. So, hex values from downstream in this case are acceptable. OTOH vendors can and should enumerate their registers in an upstream submission. --- bod