blob: 646e1f28f31fa7f4aa98da4cea1a7c14f48eaee0 [file] [log] [blame]
Mauro Carvalho Chehabcc2a2d12019-06-12 14:53:01 -03001===============================================
Wolfram Sange536f732018-12-17 20:33:14 +01002The Linux WatchDog Timer Power Management Guide
3===============================================
Mauro Carvalho Chehabcc2a2d12019-06-12 14:53:01 -03004
Wolfram Sange536f732018-12-17 20:33:14 +01005Last 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/
Mauro Carvalho Chehabcc2a2d12019-06-12 14:53:01 -030021
Wolfram Sange536f732018-12-17 20:33:14 +010022[2] https://patchwork.kernel.org/patch/10711625/