Re: [pm] fix time after suspend-to-*

From: Pavel Machek
Date: Thu Oct 23 2003 - 15:09:48 EST


Hi!

> > +static int pit_resume(struct sys_device *dev)
> > +{
> > + if (got_clock_diff) { /* Must know time zone in order to set clock */
> > + xtime.tv_sec = get_cmos_time() + clock_cmos_diff;
> > + xtime.tv_nsec = 0;
> > + }
> > + return 0;
> > +}
> > +
...
> Forgive me, I'm not totally familiar w/ the sysfs/pm stuff, but normally
> you need to have the xtime_lock to safely manipulate xtime. Also,
> couldn't you just call settimeofday() instead? The bit about manually
> setting the timezone also confuses me, as we don't normally do this at
> bootup in the kernel.
>

I took it straight from apm.c... But it is well possible that it needs
some locking. OTOH this runs with interrupts disabled, perhaps
thats enough?
Pavel
--
Pavel
Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...

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