On Mon, Dec 17, 2018 at 08:33:14PM +0100, Wolfram Sang wrote: > Add the first rule we recently agreed on. > > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > Documentation/watchdog/watchdog-pm.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 Documentation/watchdog/watchdog-pm.txt > > diff --git a/Documentation/watchdog/watchdog-pm.txt b/Documentation/watchdog/watchdog-pm.txt > new file mode 100644 > index 000000000000..7a4dd46e0d24 > --- /dev/null > +++ b/Documentation/watchdog/watchdog-pm.txt > @@ -0,0 +1,19 @@ > +The Linux WatchDog Timer Power Management Guide > +=============================================== > +Last reviewed: 17-Dec-2018 > + > +Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > + > +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/ > -- > 2.19.1 >
