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[106.69.185.93]) by smtp.gmail.com with ESMTPSA id p1sm885320pjp.10.2020.07.24.21.20.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jul 2020 21:20:31 -0700 (PDT) From: Kent Gibson To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com, linus.walleij@linaro.org Cc: Kent Gibson Subject: [PATCH v2 00/18] gpio: cdev: add uAPI V2 Date: Sat, 25 Jul 2020 12:19:37 +0800 Message-Id: <20200725041955.9985-1-warthog618@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This patchset defines and implements adds a new version of the GPIO CDEV uAPI to address existing 32/64-bit alignment issues, add support for debounce, event sequence numbers, and allowing for requested lines with different configurations. It provides some future proofing by adding optional configuration fields and padding reserved for future use. The series can be partitioned into two sets; the first eleven contain the V2 uAPI implementation, and the final seven port the GPIO tools to the V2 uAPI and extend them to use new uAPI features. The more complicated patches include their own commentary where appropriate. Cheers, Kent. Changes since v1: - split out cleanup patches into a separate series. - split implementation patch into a patch for each ioctl or major feature. - split tool port patch into a patch per tool. - rework uAPI to allow requested lines with different configurations. Kent Gibson (18): gpio: uapi: define GPIO_MAX_NAME_SIZE for array sizes gpio: uapi: define uAPI v2 gpiolib: make cdev a build option gpiolib: add build option for CDEV v1 ABI gpiolib: cdev: support GPIO_GET_LINE_IOCTL and GPIOLINE_GET_VALUES_IOCTL gpiolib: cdev: support GPIO_GET_LINEINFO_V2_IOCTL and GPIO_GET_LINEINFO_WATCH_V2_IOCTL gpiolib: cdev: support edge detection for uAPI v2 gpiolib: cdev: support GPIOLINE_SET_CONFIG_IOCTL gpiolib: cdev: support GPIOLINE_SET_VALUES_IOCTL gpiolib: cdev: support setting debounce gpio: uapi: document uAPI v1 as deprecated tools: gpio: port lsgpio to v2 uAPI tools: gpio: port gpio-watch to v2 uAPI tools: gpio: rename nlines to num_lines tools: gpio: port gpio-hammer to v2 uAPI tools: gpio: port gpio-event-mon to v2 uAPI tools: gpio: add debounce support to gpio-event-mon tools: gpio: add multi-line monitoring to gpio-event-mon drivers/gpio/Kconfig | 28 +- drivers/gpio/Makefile | 2 +- drivers/gpio/gpiolib-cdev.c | 1296 ++++++++++++++++++++++++++++++++++- drivers/gpio/gpiolib-cdev.h | 15 + drivers/gpio/gpiolib.c | 2 + drivers/gpio/gpiolib.h | 6 + include/uapi/linux/gpio.h | 327 ++++++++- tools/gpio/gpio-event-mon.c | 137 ++-- tools/gpio/gpio-hammer.c | 27 +- tools/gpio/gpio-utils.c | 117 ++-- tools/gpio/gpio-utils.h | 48 +- tools/gpio/gpio-watch.c | 10 +- tools/gpio/lsgpio.c | 102 ++- 13 files changed, 1882 insertions(+), 235 deletions(-) base-commit: 8fc3ed3a474d76cd76dd0a154ea904373e9a5530 -- 2.27.0