linux-kernel - Re: [PATCH v5 0/8] gpio: notify user-space about config changes in the kernel

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Message-ID: <172958054405.6877.3533239060881386816.b4-ty@linaro.org>
Date: Tue, 22 Oct 2024 09:02:27 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>,
	Kent Gibson <warthog618@...il.com>,
	Bartosz Golaszewski <brgl@...ev.pl>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/8] gpio: notify user-space about config changes in the kernel

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>


On Fri, 18 Oct 2024 11:10:08 +0200, Bartosz Golaszewski wrote:
> 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.
> 
> This is a reworked approach which gets and stores as much info (all of
> it actually, except for the pinctrl state) the moment the event occurrs
> but moves the actual queueing of the event on the kfifo to a dedicated
> high-priority, ordered workqueue.
> 
> [...]

Applied, thanks!

[1/8] gpiolib: notify user-space when a driver requests its own desc
      commit: 49182c87af377ec4ae0a5e116a9059e03b083574
[2/8] gpiolib: unduplicate chip guard in set_config path
      commit: dd26ffaa4d278d6e538c4ea68fb508a69f567827
[3/8] gpio: cdev: go back to storing debounce period in the GPIO descriptor
      commit: 81625f362497509526a2f9ac53843ae30b4709cc
[4/8] gpio: cdev: prepare gpio_desc_to_lineinfo() for being called from atomic
      commit: 8c44447bd76109e33a69fccda89c84715fbd5658
[5/8] gpiolib: add a per-gpio_device line state notification workqueue
      commit: 7b9b77a8bba9c1fd7bad3310dbf2cf382e1f8c25
[6/8] gpio: cdev: put emitting the line state events on a workqueue
      commit: 40b7c49950bd56c984b1f6722f865b922879260e
[7/8] gpiolib: switch the line state notifier to atomic
      commit: fcc8b637c542d1a0c19e5797ad72f9258e10464c
[8/8] gpiolib: notify user-space about in-kernel line state changes
      commit: 07c61d4da43fa3b34c152b28010d20be115a96db

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