| =============================================== |
| 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] |
| |
| [1] https://patchwork.kernel.org/patch/10252209/ |
| |
| [2] https://patchwork.kernel.org/patch/10711625/ |
