projects / linux-block.git / blame
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|---|---|---|
| cc2a2d19 | 1 | =============================================== |
| e536f730 WS |
2 | The Linux WatchDog Timer Power Management Guide |
| 3 | =============================================== | |
| cc2a2d19 | 4 | |
| e536f730 WS |
5 | Last reviewed: 17-Dec-2018 |
| 6 | ||
| 7 | Wolfram Sang <wsa+renesas@sang-engineering.com> | |
| 8 | ||
| 9 | Introduction | |
| 10 | ------------ | |
| 11 | This document states rules about watchdog devices and their power management | |
| 12 | handling to ensure a uniform behaviour for Linux systems. | |
| 13 | ||
| 14 | ||
| 15 | Ping on resume | |
| 16 | -------------- | |
| 17 | On resume, a watchdog timer shall be reset to its selected value to give | |
| 18 | userspace enough time to resume. [1] [2] | |
| 19 | ||
| 20 | [1] https://patchwork.kernel.org/patch/10252209/ | |
| cc2a2d19 | 21 | |
| e536f730 | 22 | [2] https://patchwork.kernel.org/patch/10711625/ |