gpio subsystem · Maintained

Maintainers

• M Linus Walleij <linusw@kernel.org>
• M Bartosz Golaszewski <brgl@kernel.org>

Paths

• F Documentation/admin-guide/gpio/
• F Documentation/devicetree/bindings/gpio/
• F Documentation/driver-api/gpio/
• F drivers/gpio/
• F include/dt-bindings/gpio/
• F include/linux/gpio.h
• F include/linux/gpio/

Last 30 days

Recent patches

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

• COLD28d REVIEWED: 1 (0M) [PATCH v11 3/5] gpio: Leverage revocable for accessing struct gpio_chip
  2026-05-13 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD31d [PATCH v10 7/9] gpio: Remove unused `chip` and `srcu` in struct gpio_device
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD31d [PATCH v10 6/9] gpio: Leverage revocable for accessing struct gpio_chip
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD31d [PATCH v10 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD31d [PATCH v10 4/9] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD31d [PATCH v10 3/9] gpio: Add revocable provider handle for struct gpio_chip
  2026-05-08 · Tzung-Bi Shih <tzungbi@kernel.org>
• COOLING7d IN LINUX-NEXT: 32 (31M) [PATCH v13 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-05-02 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• COLD46d REVIEWED: 32 (31M) [PATCH v12 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-30 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• COLD48d REVIEWED: 32 (31M) [PATCH v11 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-29 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• COLD48d REVIEWED: 32 (31M) [PATCH v10 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-28 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• COLD40d [PATCH v9 7/9] gpio: Remove unused `chip` and `srcu` in struct gpio_device
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD40d [PATCH v9 6/9] gpio: Leverage revocable for accessing struct gpio_chip
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD40d [PATCH v9 5/9] gpio: Remove gpio_chip_guard by using revocable
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD40d [PATCH v9 4/9] gpio: cdev: Leverage revocable for accessing struct gpio_chip
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD40d [PATCH v9 3/9] gpio: Add revocable provider handle for struct gpio_chip
  2026-04-27 · Tzung-Bi Shih <tzungbi@kernel.org>
• COLD29d [PATCH v13 3/4] gpio: rpmsg: add generic rpmsg GPIO driver
  2026-04-22 · Shenwei Wang <shenwei.wang@nxp.com>
• COLD29d [PATCH v13 2/4] dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support
  2026-04-22 · Shenwei Wang <shenwei.wang@nxp.com>
• COLD29d [PATCH v13 1/4] docs: driver-api: gpio: rpmsg gpio driver over rpmsg bus
  2026-04-22 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE66d REVIEWED: 32 (31M) [PATCH v9 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-06 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• STALE69d [PATCH v2] Documentation: gpio: update the preferred method for using software node lookup
  2026-04-03 · Bartosz Golaszewski <hidden>
• STALE77d [PATCH] Documentation: gpio: update the preferred method for using software node lookup
  2026-03-31 · Bartosz Golaszewski <hidden>
• STALE75d REVIEWED: 32 (31M) [PATCH v8 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-03-27 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• STALE85d REVIEWED: 32 (31M) [PATCH v7 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-03-14 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org>
• STALE85d [PATCH v12 4/5] gpio: rpmsg: add support for NXP legacy firmware protocol
  2026-03-13 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE85d [PATCH v12 3/5] gpio: rpmsg: add generic rpmsg GPIO driver
  2026-03-13 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE85d [PATCH v12 2/5] dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support
  2026-03-13 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE85d [PATCH v12 1/5] docs: driver-api: gpio: rpmsg gpio driver over rpmsg bus
  2026-03-13 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE96d [PATCH v11 4/5] gpio: rpmsg: add support for NXP legacy firmware protocol
  2026-03-12 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE96d [PATCH v11 3/5] gpio: rpmsg: add generic rpmsg GPIO driver
  2026-03-12 · Shenwei Wang <shenwei.wang@nxp.com>
• STALE96d [PATCH v11 2/5] dt-bindings: remoteproc: imx_rproc: Add "rpmsg" subnode support
  2026-03-12 · Shenwei Wang <shenwei.wang@nxp.com>

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.

• STALE115d REVIEWED: 32 (31M) [PATCH v5 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2025-12-23 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• STALE97d REVIEWED: 32 (31M) [PATCH v6 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-03-03 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• COLD27d REVIEWED: 38 (38M) [PATCH v2 5/6] gpio: remove machine hogs
  2026-03-09 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• COLD27d REVIEWED: 38 (38M) [PATCH v2 6/6] gpio: sim: allow to define the active-low setting of a simulated hog
  2026-03-09 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• STALE85d REVIEWED: 32 (31M) [PATCH v7 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-03-14 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• STALE75d REVIEWED: 32 (31M) [PATCH v8 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-03-27 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• STALE66d REVIEWED: 32 (31M) [PATCH v9 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-06 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• COLD48d REVIEWED: 32 (31M) [PATCH v10 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-28 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• COLD48d REVIEWED: 32 (31M) [PATCH v11 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-29 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 1 Acked-by
• COLD46d REVIEWED: 32 (31M) [PATCH v12 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
  2026-04-30 · Nuno Sá via B4 Relay <devnull+nuno.sa.analog.com@kernel.org> · 1 Reviewed-by, 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.

• STALE180d LANDED [PATCH v2 3/3] gpio: pca953x: Add support for TCAL6408 TCAL6416
  2025-12-16 · Jan Remmet <hidden>
• STALE180d LANDED [PATCH v2 1/3] Documentation: gpio: add TCAL6408 and TCAL6416
  2025-12-16 · Jan Remmet <hidden>
• STALE140d [PATCH 03/23] gpiolib: Fix resource leaks on errors in gpiochip_add_data_with_key()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d LANDED [PATCH 05/23] gpiolib: cdev: Correct return code on memory allocation failure
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d [PATCH 06/23] gpiolib: Access `gpio_bus_type` in gpiochip_setup_dev()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d [PATCH 07/23] gpiolib: Remove redundant check for struct gpio_chip
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d [PATCH 08/23] gpiolib: sysfs: Remove redundant check for struct gpio_chip
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d [PATCH 09/23] gpiolib: Ensure struct gpio_chip for gpiochip_setup_dev()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d [PATCH 10/23] gpiolib: cdev: Don't check struct gpio_chip in gpio_chrdev_open()
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>
• STALE140d [PATCH 12/23] gpiolib: Add revocable provider handle for struct gpio_chip
  2026-01-16 · Tzung-Bi Shih <tzungbi@kernel.org>