linux-kernel - [PATCH 0/5] gpio: notify user-space about config changes in the kernel

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Message-Id: <20241004-gpio-notify-in-kernel-events-v1-0-8ac29e1df4fe@linaro.org>
Date: Fri, 04 Oct 2024 16:43:21 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Kent Gibson <warthog618@...il.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 0/5] gpio: notify user-space about config changes in the
 kernel

We currently only emit events on changed line config to user-space on
changes made from user-space. Users have no way of getting notified
about in-kernel changes. This series improves the situation and also
contains a couple other related improvements.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
Bartosz Golaszewski (5):
      gpiolib: use v2 defines for line state change events
      gpiolib: unify two loops initializing GPIO descriptors
      gpio: cdev: update flags at once when reconfiguring from user-space
      gpiolib: simplify notifying user-space about line requests
      gpiolib: notify user-space about in-kernel line state changes

 drivers/gpio/gpiolib-cdev.c |  88 +++++++++++++++++------------------
 drivers/gpio/gpiolib.c      | 110 ++++++++++++++++++++++++++++++++++++--------
 drivers/gpio/gpiolib.h      |   9 +++-
 3 files changed, 141 insertions(+), 66 deletions(-)
---
base-commit: 58ca61c1a866bfdaa5e19fb19a2416764f847d75
change-id: 20240924-gpio-notify-in-kernel-events-07cd912153e8

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>