gpio uapi · Maintained

Maintainers

• M Bartosz Golaszewski <brgl@kernel.org>
• R Kent Gibson <warthog618@gmail.com>

Paths

• F Documentation/ABI/obsolete/sysfs-gpio
• F Documentation/ABI/testing/gpio-cdev
• F Documentation/userspace-api/gpio/
• F drivers/gpio/gpiolib-cdev.c
• F include/uapi/linux/gpio.h
• F tools/gpio/

Last 30 days

Active reviewers (last 30 days)

• Bartosz Golaszewski <hidden>
  1 attestation (1 Tested-by) · last on 2026-05-13

Recent patches

Most-recent 30 patches in this subsystem on linux-gpio (capped at 30), ordered by date desc.

• COOLING10d [PATCH v3] gpio: cdev: check if uAPI v2 config attributes are correctly zeroed
  2026-05-21 · Bartosz Golaszewski <hidden>
• COOLING11d [PATCH] gpio: event-mon: Use O_RDONLY instead of 0 for open()
  2026-05-20 · <hidden>
• COOLING11d [PATCH v2] gpio: cdev: check if uAPI v2 config attributes are correctly zeroed
  2026-05-20 · Bartosz Golaszewski <hidden>
• COOLING12d [PATCH] gpio: cdev: check if padding of uAPI v2 line config attributes is zeroed
  2026-05-19 · Bartosz Golaszewski <hidden>
• COOLING12d REVIEWED: 1 (0M) [PATCH v11 3/5] gpio: Leverage revocable for accessing struct gpio_chip
  2026-05-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD15d [PATCH v10 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD15d [PATCH v10 4/9] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• DORMANTno replies [PATCH v3] tools: gpio: fix ioctl name in error message
  2026-05-07 · Zhang Xiaolei <hidden>
• COLD27d [PATCH] tools: gpio: replace strncpy with strscpy
  2026-05-04 · Lucas Poupeau <hidden>
• COLD25d [PATCH v2 3/3] tools: gpio: fix ioctl name in error message
  2026-05-04 · Zhang Xiaolei <hidden>
• COLD25d [PATCH v2 2/3] tools: gpio: validate arguments in gpiotools_request_line
  2026-05-04 · Zhang Xiaolei <hidden>
• COLD25d [PATCH v2 1/3] tools: gpio: use strscpy() for consumer name
  2026-05-04 · Zhang Xiaolei <hidden>
• COLD25d [PATCH] tools: gpio: fix buffer overflow and add bounds check
  2026-05-03 · Zhang Xiaolei <hidden>
• COLD24d [PATCH v9 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD24d [PATCH v9 4/9] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD49d [PATCH 5.15.y] gpiolib: cdev: fix uninitialised kfifo
  2026-04-09 · Robert Garcia <hidden>
• STALE91d [PATCH] gpio: Fix lockdep warnings in gpiolib_{cdev,sysfs}_register()
  2026-02-28 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE81d REVIEWED: 31 (31M) [PATCH v4 5/6] gpio: cdev: Don't check struct gpio_chip in gpio_chrdev_open()
  2026-02-23 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE81d [PATCH v4 4/6] gpio: Ensure struct gpio_chip for gpiochip_setup_dev()
  2026-02-23 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE97d [PATCH] gpio: cdev: convert lineevent_create() and linereq_create() to FD_PREPARE()
  2026-02-16 · Kent Gibson <warthog618@gmail.com>
• STALE104d [PATCH v2] gpio: Avoid NULL dereference in linehandle_create()
  2026-02-15 · Douglas Anderson <dianders@chromium.org>
• STALE105d [PATCH] gpio: Avoid NULL dereference in linehandle_create()
  2026-02-13 · Douglas Anderson <dianders@chromium.org>
• STALE98d [PATCH v3 09/11] gpio: Remove gpio_chip_guard by using revocable
  2026-02-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE98d [PATCH v3 08/11] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-02-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE98d [PATCH v3 05/11] gpio: cdev: Don't check struct gpio_chip in gpio_chrdev_open()
  2026-02-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE98d [PATCH v3 04/11] gpio: Ensure struct gpio_chip for gpiochip_setup_dev()
  2026-02-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE115d [PATCH v2 09/11] gpio: Remove gpio_chip_guard by using revocable
  2026-02-03 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE115d [PATCH v2 08/11] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-02-03 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE115d [PATCH v2 05/11] gpio: cdev: Don't check struct gpio_chip in gpio_chrdev_open()
  2026-02-03 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE115d [PATCH v2 04/11] gpio: Ensure struct gpio_chip for gpiochip_setup_dev()
  2026-02-03 · Tzung-Bi Shih <tzungbi@kernel.org>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE124d LANDED [PATCH 05/23] gpiolib: cdev: Correct return code on memory allocation failure
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 09/23] gpiolib: Ensure struct gpio_chip for gpiochip_setup_dev()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 10/23] gpiolib: cdev: Don't check struct gpio_chip in gpio_chrdev_open()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 13/23] gpiolib: cdev: Leverage revocable for gpio_fileops
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 14/23] gpiolib: cdev: Leverage revocable for linehandle_fileops
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 15/23] gpiolib: cdev: Leverage revocable for line_fileops
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 16/23] gpiolib: cdev: Leverage revocable for lineevent_fileops
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE124d [PATCH 17/23] gpiolib: cdev: Leverage revocable for lineinfo_changed_notify
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE115d [PATCH v2 05/11] gpio: cdev: Don't check struct gpio_chip in gpio_chrdev_open()
  2026-02-03 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE98d [PATCH v3 08/11] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-02-13 · Tzung-Bi Shih <tzungbi@kernel.org>