From: Alison Schofield <amsfiel...@gmail.com> Date: Wed, 17 Feb 2016 22:35:11 -0800
> divamnt stores a start_time at module init and uses it to calculate > elapsed time. The elapsed time, stored in secs and usecs, is part of > the trace data the driver maintains for the DIVA Server ISDN cards. > No change to the format of that time data is required. > > To avoid overflow on 32-bit systems use ktime_get_ts64() to return > the elapsed monotonic time since system boot. > > This is a change from real to monotonic time. Since the driver only > stores elapsed time, monotonic time is sufficient and more robust > against real time clock changes. These new monotonic values can be > more useful for debugging because they can be easily compared to > other monotonic timestamps. > > Note elaspsed time values will now start at system boot time rather > than module load time, so they will differ slightly from previously > reported values. > > Remove declaration and init of previously unused time constants: > start_sec, start_usec. > > Signed-off-by: Alison Schofield <amsfiel...@gmail.com> > Reviewed-by: Arnd Bergmann <a...@arndb.de> Applied to net-next, thanks.
