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([2a10:a5c0:800d:dd00:8fdf:935a:2c85:d703]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2ffdfbdae77sm7176751fa.28.2024.11.30.06.53.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 30 Nov 2024 06:53:58 -0800 (PST) Message-ID: <66cb5639-550b-4c00-9b90-b58dcd09405d@gmail.com> Date: Sat, 30 Nov 2024 16:53:55 +0200 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: [PATCH 0/2] Drop BU27008 and BU27010 To: Jonathan Cameron Cc: Matti Vaittinen , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Javier Carrasco , Andy Shevchenko , Arthur Becker , Emil Gedenryd , Marek Vasut , Mudit Sharma , Subhajit Ghosh , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241130143842.34d29a51@jic23-huawei> Content-Language: en-US, en-AU, en-GB, en-BW From: Matti Vaittinen In-Reply-To: <20241130143842.34d29a51@jic23-huawei> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 30/11/2024 16:38, Jonathan Cameron wrote: > On Thu, 28 Nov 2024 21:34:54 +0200 > Matti Vaittinen wrote: > >> Drop the support for ROHM BD72008 and BD72010 RGB sensors >> >> I accidentally hit a BU27008 data-sheet which had a big red text saying >> "Obsolete". After a few queries I received a word that the ROHM BU27008 >> and BU27010 RGB sensors were cancelled and never entered mass production. >> Supporting not existing hardware makes no sense, so it's probably best >> to drop the drivers and dt-bindings. >> >> There is still a RGB sensor from ROHM called BU27006. >> https://www.rohm.com/products/sensors-mems/color-sensor-ics/bu27006muc-z-product >> Based on a quick glance this should be very similar to the BU27010. If >> someone wants to create a driver for this, then the bu27008.c might be >> worth looking at. >> >> As writing of this I don't have the BU27006 at my hands, and when I >> asked about creating a driver for this IC from the HQ ... I got an >> impression that at the moment ROHM rather pays me for doing something >> else. So, currently I have no plan to add support for the BD27006. >> We can always dig the bu27008.c from the depths of the git, if it later >> appears such a driver would be a good idea. > > Applied. I'm not going to rush it in because a driver for hardware > that no one has is not really a problem as long as no one does any more > work on it. So queued up in my testing branch which will go upstream > next merge cycle. Thanks. This makes perfect sense, and I didn't expect them to go in sooner :) > You have my sympathies wrt to wasted work! It indeed hurts. You do always hope things you tinker with would be useful. Well, not the first cancelled product I am working with - and I believe not a last one either... Yours, -- Matti