tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1===============================================
2The Linux WatchDog Timer Power Management Guide
3===============================================
4
5Last reviewed: 17-Dec-2018
6
7Wolfram Sang <wsa+renesas@sang-engineering.com>
8
9Introduction
10------------
11This document states rules about watchdog devices and their power management
12handling to ensure a uniform behaviour for Linux systems.
13
14
15Ping on resume
16--------------
17On resume, a watchdog timer shall be reset to its selected value to give
18userspace enough time to resume. [1] [2]
19
20[1] https://patchwork.kernel.org/patch/10252209/
21
22[2] https://patchwork.kernel.org/patch/10711625/