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AJvYcCXMAd+vqw6Lk7Vs2P+w2qO+IZULKNf9liUeLVfsRMtDcWC3shmyn9U0nvKJAMv3VlSyc39cPf/vih4jIS6Qj0JFR1gmfjpHykJl+5we X-Gm-Message-State: AOJu0Yy1eYcXuJyQJoYzmF4Zabq49PR2KLUGd9xi8fX86fdXiNNi4qJk wEKbSwfjGNErjZIlMl65l76M/qQZBIIDeilpGOf3s4g6D688wPeS0ZEhgfM6JQkoVo7Oi1U/14s fjoP9p2DwPA7rK7tg3KzOESba/O9KFNMkooa4zA== X-Received: by 2002:a17:906:5fcc:b0:a43:a4a1:1945 with SMTP id k12-20020a1709065fcc00b00a43a4a11945mr2004809ejv.75.1709227630755; Thu, 29 Feb 2024 09:27:10 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Tim Harvey Date: Thu, 29 Feb 2024 09:26:59 -0800 Message-ID: Subject: Re: [PATCH 2/4] reset: add GPIO-based reset controller To: Sean Anderson , Krzysztof Kozlowski Cc: Linux-ALSA , andersson@kernel.org, bgoswami@quicinc.com, brgl@bgdev.pl, Mark Brown , Conor Dooley , Device Tree Mailing List , konrad.dybcio@linaro.org, Krzysztof Kozlowski , Liam Girdwood , linux-arm-msm@vger.kernel.org, open list , linux-sound@vger.kernel.org, Philipp Zabel , perex@perex.cz, Rob Herring , srinivas.kandagatla@linaro.org, tiwai@suse.com Content-Type: text/plain; charset="UTF-8" > On 1/9/24 04:41, Krzysztof Kozlowski wrote: > > I think a separate pseudo-device is necessary a generic solution. So I > guess I will revive my patchset. > Sean and Krzysztof, I see a lot of value in a generic reset-gpio driver that you have both tried to get accepted in the past. I support boards that have a number of SPI and I2C devices that often have GPIO resets wired to them that are pulled in hardware to the in-reset state and find no support in the various drivers for reset handling. I've often wondered why a generic gpio reset wasn't supported in the SPI/I2C cores like it is for some other subsystems. The approach of a gpios-reset solution makes sense to me. Will you be submitting a follow-on series to your previous attempts? Best Regards, Tim