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 1DA4A23496B; Wed, 2 Apr 2025 10:29:24 +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=1743589765; cv=none; b=W76ujwyyElb+pXr6r19K9jCOyYwAXTMhRR0lAK6uD2dztd1LhWEjrMhnSn2pGZMPINdDlRnNUka/egffik5aLTB9wg6+ZZVn/rDW/7iFBee16ddfiQWx93zbx1x/NjtcMJt77NbuMpEWJ6yQzrAVia2InYu2BlO4hhdTObvr+0Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743589765; c=relaxed/simple; bh=wq9t4p/0e3SKoovLNHQmyQCYfBKOxcHqBT4NKrzawq8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gQEbbWHQdsuIZGGI+DIB0iekR+Rj17JQKL3NC05ENimWLxXkqM9CX+/jW860UIhIkXAyvHwbYZY4LHrT3ggZG3xkMuOIB8l82c8JWVKCHgNB8kLuJi6/bTWmmdA41Sgaz1ZUri+htwrqRXIJA9FZ/VTYycjYLeO66MA90m7nRg8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k33toONX; 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="k33toONX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5843C4CEDD; Wed, 2 Apr 2025 10:29:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743589764; bh=wq9t4p/0e3SKoovLNHQmyQCYfBKOxcHqBT4NKrzawq8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=k33toONXVO/I6aI3BNil8rcGJioy2RMSp+ayO3KkFHLo8xUB5zKHIEVc6D0kwQuSY 1VvsA6AJbqL7PYgOOgtWyR4yjLyLwffAM8FFW9RJhCYsoivfnRqS0WMCLX40bT+dc5 XpOvmOPT3sHm6lJed2KHr0uaHc5G8bbShwI9X8nPSPRaDkhgfde4fb/5UYW6gkIyLl 6K16uqHZpBv01mMu5u+LuKIgMXhDFZb9GOMpfdRJbhoMV3hTTSId6a7AZGuvHepUrU Gmq6zle9/Gs6tgF8JyFYr+tUXxW2KvDiHYDkjP121Hrn5T0EYTURvX43c+bW+X4Msl JOlR0NRlSL5rA== Message-ID: <32d36aba-9d7c-45f7-ab04-cb28ef31d159@kernel.org> Date: Wed, 2 Apr 2025 12:29:17 +0200 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: media: i2c: imx219: Remove redundant description of data-lanes To: =?UTF-8?Q?Niklas_S=C3=B6derlund?= Cc: Dave Stevenson , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , linux-media@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org References: <20250401145759.3253736-1-niklas.soderlund+renesas@ragnatech.se> <20250402-real-enthusiastic-ostrich-dcc243@krzk-bin> <20250402095749.GJ1240431@ragnatech.se> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 02/04/2025 11:57, Niklas Söderlund wrote: >> >>> Support four-lane operation") the driver errored out if not 2 lanes >>> where used, and after it if not 2 or 4 lanes where used. >> >> Then... fix the driver? >> >> This property describes hardware, not driver. Why current driver >> implementation, e.g. 1 year ago or now, would change the hardware (so >> the bindings)? > > I agree, I thought that here we have a case where the bindings predate > the standardisation. The driver do not match the bindings, in fact it > breaks if the imx219 specific instructions are followed. So the risk of > breaking stuff is likely low. And this was an opportunity to align the > imx219 with video-interfaces.yaml. I am sorry, but what breaks exactly? Is the device supporting two and four lanes setups? If yes, then the binding is correct. Best regards, Krzysztof