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)

• Sashiko <sashiko-bot@kernel.org>
  3 attestations (3 Reported-by) · last on 2026-09-22
• Bartosz Golaszewski <hidden>
  2 attestations (1 Acked-by, 1 Tested-by) · last on 2026-09-08

Recent patches

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

• COOLING9d [PATCH v3] gpio: cdev: fix kernel stack leak to user-space in error path
  2026-09-22 · Bartosz Golaszewski <hidden>
• COOLING11d [PATCH v2] gpio: cdev: fix kernel stack leak to user-space in error path
  2026-09-21 · Bartosz Golaszewski <hidden>
• COOLING14d [PATCH] gpio: cdev: fix kernel stack leak to user-space in error path
  2026-09-17 · Bartosz Golaszewski <hidden>
• COLD15d [PATCH 4/4] file: make struct fd_prepare const and kill its err field
  2026-09-17 · Christian Brauner <brauner@kernel.org>
• COLD16d [PATCH RFC POC 25/50] file: reimplement FD_PREPARE() on the deferred fd_prepare() path
  2026-09-15 · Christian Brauner <brauner@kernel.org>
• COLD15d [PATCH v13 3/3] gpio: Leverage revocable for accessing struct gpio_chip
  2026-09-12 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD20d [PATCH] gpio: uapi: Fix gpio_v2_line_info_changed reference in kernel-doc
  2026-09-11 · Karl Mehltretter <hidden>
• COLD20d REVIEWED: 1 (0M) [PATCH v12 3/3] gpio: Leverage revocable for accessing struct gpio_chip
  2026-09-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD15d REVIEWED: 1 (0M) [PATCH 2/2 v7] gpiolib: remove linux/gpio.h
  2026-09-07 · Arnd Bergmann <arnd@kernel.org>
• COLD25d [PATCH] tools/gpio: fix typo "amount of times" in comment
  2026-09-04 · Hemanth Selam <hidden>
• COLD30d [PATCH v1 1/1] gpio: cdev: return EOPNOTSUPP when HTE is unavailable
  2026-08-31 · Iván Ezequiel Rodriguez <hidden>
• COLD16d [PATCH 7/7] gpio: cdev: return EOPNOTSUPP when HTE is unavailable
  2026-08-31 · Iván Ezequiel Rodriguez <hidden>
• COLD16d [PATCH 3/7] docs: gpio: note lineinfo padding must be zero filled
  2026-08-31 · Iván Ezequiel Rodriguez <hidden>
• COLD56d [PATCH] tools: Use fputc() calls in some functions
  2026-07-23 · Markus Elfring <hidden>
• STALE88d [PATCH] gpio: cdev: Drop redundant nonseekable_open() return check
  2026-07-03 · <hidden>
• STALE88d [PATCH 13/13] gpiolib: remove linux/gpio.h
  2026-06-29 · Arnd Bergmann <arnd@kernel.org>
• STALE134d [PATCH v3] gpio: cdev: check if uAPI v2 config attributes are correctly zeroed
  2026-05-21 · Bartosz Golaszewski <hidden>
• STALE135d [PATCH] gpio: event-mon: Use O_RDONLY instead of 0 for open()
  2026-05-20 · <hidden>
• STALE135d [PATCH v2] gpio: cdev: check if uAPI v2 config attributes are correctly zeroed
  2026-05-20 · Bartosz Golaszewski <hidden>
• STALE136d [PATCH] gpio: cdev: check if padding of uAPI v2 line config attributes is zeroed
  2026-05-19 · Bartosz Golaszewski <hidden>
• STALE135d REVIEWED: 1 (0M) [PATCH v11 3/5] gpio: Leverage revocable for accessing struct gpio_chip
  2026-05-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE139d [PATCH v10 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE139d [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>
• STALE150d [PATCH] tools: gpio: replace strncpy with strscpy
  2026-05-04 · Lucas Poupeau <hidden>
• STALE148d [PATCH v2 3/3] tools: gpio: fix ioctl name in error message
  2026-05-04 · Zhang Xiaolei <hidden>
• STALE148d [PATCH v2 2/3] tools: gpio: validate arguments in gpiotools_request_line
  2026-05-04 · Zhang Xiaolei <hidden>
• STALE148d [PATCH v2 1/3] tools: gpio: use strscpy() for consumer name
  2026-05-04 · Zhang Xiaolei <hidden>
• STALE148d [PATCH] tools: gpio: fix buffer overflow and add bounds check
  2026-05-03 · Zhang Xiaolei <hidden>
• STALE148d [PATCH v9 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COLD15d REVIEWED: 1 (0M) [PATCH 2/2 v7] gpiolib: remove linux/gpio.h
  2026-09-07 · Arnd Bergmann <arnd@kernel.org> · 1 Acked-by

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.

• STALE148d [PATCH v9 4/9] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE148d [PATCH v9 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• DORMANTno replies [PATCH v3] tools: gpio: fix ioctl name in error message
  2026-05-07 · Zhang Xiaolei <hidden>
• STALE139d [PATCH v10 4/9] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE139d [PATCH v10 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD16d [PATCH 7/7] gpio: cdev: return EOPNOTSUPP when HTE is unavailable
  2026-08-31 · Iván Ezequiel Rodriguez <hidden>