Re: [PATCH] fix HPET time_interpolator registration

From: Christoph Lameter
Date: Wed Nov 03 2004 - 22:54:34 EST


On Wed, 3 Nov 2004, Andrew Morton wrote:

> Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote:
> >
> > Fixup after mid-air collision between Christoph adding time_interpolator.mask,
> > and me removing a static time_interpolator struct from hpet.
> >
> > Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
> >
> > ===== drivers/char/hpet.c 1.14 vs edited =====
> > --- 1.14/drivers/char/hpet.c 2004-11-02 07:40:42 -07:00
> > +++ edited/drivers/char/hpet.c 2004-11-03 10:05:26 -07:00
> > @@ -712,6 +712,7 @@
> > ti->addr = &hpetp->hp_hpet->hpet_mc;
> > ti->frequency = hpet_time_div(hpets->hp_period);
> > ti->drift = ti->frequency * HPET_DRIFT / 1000000;
> > + ti->mask = 0xffffffffffffffffLL;
> >
> > hpetp->hp_interpolator = ti;
> > register_time_interpolator(ti);
> >
>
> ti->mask is u64, and on some architectures u64 is `long'. Compilers might
> whine about this. I'll make it
>
> ti->mask = -1;
>
> which just works.

Hmmm... How do you then specify a 64 bit mask without running into issues
with the compilers?
-
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