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Fri, 21 Mar 2025 08:49:50 -0700 (PDT) From: Bartosz Golaszewski Date: Fri, 21 Mar 2025 16:49:37 +0100 Subject: [PATCH 5/6] gpio: TODO: add an item to track the conversion to the new value setters Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250321-gpio-todo-updates-v1-5-7b38f07110ee@linaro.org> References: <20250321-gpio-todo-updates-v1-0-7b38f07110ee@linaro.org> In-Reply-To: <20250321-gpio-todo-updates-v1-0-7b38f07110ee@linaro.org> To: Linus Walleij , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1387; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=zW9vf2MxVVLSQ7/GxmBLmLjVLQ450goC/H07tgUus28=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBn3YqZ4OK5TJEOgGOz59u/Shq340T6aLrfj2kak o7dYSVxc9OJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ92KmQAKCRARpy6gFHHX ci3pD/wPRQ4FG3V729Ngelf387WaUaKndrOi5Zsq3+R6Ww8/pdW1R/jazX4RvG98Cf0LfHXf/oY rdbVLm/SED01DVkYDbsmQ2eWQwh24ZQkIKhPMgGtRXN7onmZGbYkPtt8hetgVWWA0D5ldTLXVe4 V1MDb9+l5pPVRkeKTZyefOySd02O7CX7ymGUjumYVLUQriaK6l+GpPk50pA+hpE7+MBpxjB8x9X U8lIOfTguScY9Bc5ejk/RT5/u6uy50lwPlg6Kd8fk9S4Dm9Zr+fLSuccG/UgZnV0kvaVvX6zzFy dQwjnXehJhZahwyr2BzSRXzQK12R30YCpDt1TZ+IHGw5lszuT7sP5S35dhdLEm8Q1BwPtDebGcV KsI85t7mohkJy6YzBXF9ebQC0vYzmLkRUGfzwSLKOtUNTWlfeU8VStHn8os9pib/cK1KnULKvBp At6d8shY5FIgo5RYHORL1f0Jdl5bnWdZHESaowV45xUHQbx4QX4fW5WPb/rVCPvkWs4yg6oRmf9 aPtiMzLFJXU95K518XkIROkGJtIq6EWCk9uIaqKSIDoN5Xo/oCmiBZX9nbhJ2qabaN1wFsfuE2P OHWstEjK47Ug4KI1cz4Ew8TPgTXC7Qp8oJkG8rfNiIqKXQX7kpW1jryE7q1QNJpGfWgwjJ1N97R QavjE88WWQQBJzQ== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Add an item tracking the treewide conversion of GPIO drivers to using the new line value setter callbacks in struct gpio_chip instead of the old ones that don't allow drivers to signal failures to callers. Signed-off-by: Bartosz Golaszewski Reviewed-by: Linus Walleij --- drivers/gpio/TODO | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpio/TODO b/drivers/gpio/TODO index 052ba70070033..3abf4805335f1 100644 --- a/drivers/gpio/TODO +++ b/drivers/gpio/TODO @@ -161,3 +161,15 @@ A small number of drivers have been converted (pl061, = tegra186, msm, amd, apple), and can be used as examples of how to proceed with this conversion. Note that drivers using the generic irqchip framework cannot be converted yet, but watch this space! + +--------------------------------------------------------------------------= ----- + +Convert all GPIO chips to using the new, value returning line setters + +struct gpio_chip's set() and set_multiple() callbacks are now deprecated. = They +return void and thus do not allow drivers to indicate failure to set the l= ine +value back to the caller. + +We've now added new variants - set_rv() and set_multiple_rv() that return = an +integer. Let's convert all GPIO drivers treewide to use the new callbacks, +remove the old ones and finally rename the new ones back to the old names. --=20 2.45.2