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([2600:8803:e7e4:500:591:4577:3439:3a1e]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-435570ad8f4sm10106250fac.4.2026.05.11.09.31.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 May 2026 09:31:13 -0700 (PDT) Message-ID: Date: Mon, 11 May 2026 11:31:13 -0500 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 v3 1/1] dt-bindings: iio: adc: add AD7816/AD7817/AD7818 binding To: Denny Lin Cc: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260509022718.82957-1-dennylin0707@gmail.com> <20260509022718.82957-2-dennylin0707@gmail.com> <3493d6ef-5f02-4eb1-b81a-89597045acbb@baylibre.com> Content-Language: en-US From: David Lechner In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 5/11/26 11:23 AM, Denny Lin wrote: > On Mon, May 11, 2026 at 7:51 AM David Lechner wrote: >> >> Usually, we want to be moving the drivers out of staging when >> adding the DT bindings so that it all gets reviewed for correctness >> at the same time. >> >> Drivers in staging are usually there because they are doing things >> that are not actually acceptable for the final stable mainline >> version of a driver and need more work. >> > > Thanks for the explanation. > > I took a look at the driver and noticed it still uses the older > IIO sysfs-based interface rather than the iio_chan_spec + read_raw > model. > > Would you recommend updating the driver first, or is it okay to > proceed with the binding separately? > > Thanks, > Hungyu ADI's website says that these parts are obsolete, so unless anyone is actually still using these with a mainline kernel, I would suggest that we drop the driver rather than spending time fixing it up. In any case, unless you have the hardware for testing, it would be best not to make significant changes. There is a non-standard "oti" attribute that we would need to figure out what to do with. This is likely why the driver is in staging in the first place.