The Linux WatchDog Timer Power Management Guide¶
Last reviewed: 17-Dec-2018
Wolfram Sang <wsa+renesas@sang-engineering.com>
Introduction¶
This document states rules about watchdog devices and their power management handling to ensure a uniform behaviour for Linux systems.
Ping on resume¶
On resume, a watchdog timer shall be reset to its selected value to give userspace enough time to resume. [1] [2]