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Wed, 19 Nov 2025 07:21:50 -0800 (PST) Received: from [127.0.1.1] ([2a01:cb1d:dc:7e00:c10a:203f:120a:d2f9]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477b1076865sm54429375e9.13.2025.11.19.07.21.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 07:21:49 -0800 (PST) From: Bartosz Golaszewski Subject: [PATCH RFT/RFC 0/2] mfd: cs42l43: fix GPIO lookup for chip selects Date: Wed, 19 Nov 2025 16:21:27 +0100 Message-Id: <20251119-cs42l43-gpio-lookup-v1-0-029b1d9e1843@linaro.org> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAHfgHWkC/x3MywpAQBSA4VfRWTuZCwu2ygPIThYuBycy00yk5 N1Nlt/i/x/w5Jg8FNEDji72bI4AGUcwrv2xEPIUDEqoTEqZ4+hTtacaF8sGd2O206ImnYl8oEk MGkJpHc18/9cW6qpJ6qqE7n0/sHJ2A24AAAA= X-Change-ID: 20251119-cs42l43-gpio-lookup-3e3509bed0b3 To: Linus Walleij , Bartosz Golaszewski , David Rhodes , Richard Fitzgerald , Lee Jones , Mark Brown , Maciej Strozek , Charles Keepax , Andy Shevchenko , Philipp Zabel Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, patches@opensource.cirrus.com, linux-spi@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 It wouldn't leave me alone, so here's a proposal to address the software node issue of this driver using GPIO lookups. Link to the previous idea: https://lore.kernel.org/all/20251119-cs42l43-gpio-swnodes-v1-1-25996afebd97@linaro.org/ Signed-off-by: Bartosz Golaszewski --- Bartosz Golaszewski (2): gpiolib: support "undefined" GPIO machine lookup mfd: cs42l43: use GPIO machine lookup for cs-gpios drivers/gpio/gpiolib.c | 3 +++ drivers/mfd/cs42l43.c | 23 +++++++++++++++++++++++ drivers/spi/spi-cs42l43.c | 35 ----------------------------------- 3 files changed, 26 insertions(+), 35 deletions(-) --- base-commit: fe4d0dea039f2befb93f27569593ec209843b0f5 change-id: 20251119-cs42l43-gpio-lookup-3e3509bed0b3 Best regards, -- Bartosz Golaszewski