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diff --git a/Documentation/watchdog/watchdog-pm.rst b/Documentation/watchdog/watchdog-pm.rst new file mode 100644 index 000000000000..646e1f28f31f --- /dev/null +++ b/Documentation/watchdog/watchdog-pm.rst @@ -0,0 +1,22 @@ +=============================================== +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/ |