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Mon, 31 Mar 2025 02:00:17 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 31 Mar 2025 11:00:09 +0200 Subject: [PATCH 1/3] gpio: deprecate the GPIOD_FLAGS_BIT_NONEXCLUSIVE flag 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: <20250331-gpio-todo-remove-nonexclusive-v1-1-25f72675f304@linaro.org> References: <20250331-gpio-todo-remove-nonexclusive-v1-0-25f72675f304@linaro.org> In-Reply-To: <20250331-gpio-todo-remove-nonexclusive-v1-0-25f72675f304@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=878; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=tlGOX5FQjGMEQfrMpb3Lx+55MZB/eBiCAP/mbvbglPQ=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBn6lmfvXKAtsbn/u07MB4pHBI6KOEjCjOjAIh23 zndHx/YlnqJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ+pZnwAKCRARpy6gFHHX ciIxD/48yDvJXOQkZV1Wkm3Z75EezAAxi7pURHuz45RZYw5Q7lCWxtbJXtzQifZQU4OU6Sg6Uw/ y4pUCtPw/gX3iOqGyYstANfN9D2WkuXfrLWnfhhXchlJMhqT69iXltn94s2bBVLaVvN+H8VHj1Q sNenYfEI3zc1sGvTF7vx3XD/IFuZDT9s/b2nwVZmB6zrCytd5qYa9fZmKOjt/RMCahn1ItO6L5M mCtiZAD2tPtJzAlAsQV+vJv9J7ScCRV8m+Ca+5B2S9VN98mwbsVBDEzodjn4BIYLa0PrHPHdJZB uh16/AgMn2u4DqnB8K6zQGVH1xP0JqwFvixhLleslQoBdIKt3yTMbPsWD+PjZTJfVZGl5puJsD/ dxtGYA/V9KhL0WgL0WJyuqSRGttg1Bvy+JaNBKvxo/w2sMEiwI6T5NJyNw7sqpiSphVLZW7WQOB Hup7ItjsB9OWs80rA6496sseOwwOcOWdgmki7JXAzNlyl1KdXYcNdtkyy3Wu55kh8/Xgb4Tk6i/ 1M2Fs8LlQFfj2j/wkjug6/3yfh4RAXzKkJwQaSMSgbYEqaepAH5LzXQ3DDhBmHdPQCpRTQhBDhz mac2Dm4TOCcytK8KhKZ2LF7blX2EUM7948cE08+mDw+DDu5Zio0S8ApZq0/rKq/3nRBhXs94U6Q tJld+Arw4DIymAQ== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski The non-exclusive GPIO request flag looks like a functional feature but is in fact a bad workaround for a corner-case that got out of hand. It should be removed so deprecate it officially so that nobody uses it anymore. Signed-off-by: Bartosz Golaszewski --- include/linux/gpio/consumer.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 45b651c05b9c8..8adc8e9cb4a7b 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -31,6 +31,7 @@ struct gpio_descs { #define GPIOD_FLAGS_BIT_DIR_OUT BIT(1) #define GPIOD_FLAGS_BIT_DIR_VAL BIT(2) #define GPIOD_FLAGS_BIT_OPEN_DRAIN BIT(3) +/* GPIOD_FLAGS_BIT_NONEXCLUSIVE is DEPRECATED, don't use in new code. */ #define GPIOD_FLAGS_BIT_NONEXCLUSIVE BIT(4) =20 /** --=20 2.45.2