On Tue, Dec 02, 2014 at 08:54:13AM -0800, John Stultz wrote:
> On Tue, Dec 2, 2014 at 8:35 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
> > On Tue, Dec 02, 2014 at 04:36:22PM +0100, Daniel Vetter wrote:
> >> +static inline unsigned long nsecs_to_jiffies_timeout(const u64 m)
> >> +{
> >> + u64 usecs = div_u64(m + 999, 1000);
> >> + unsigned long j = usecs_to_jiffies(usecs);
> >> +
> >> + return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1);
> >
> > Or more concisely and review friendly:
> >
> > static inline unsigned long nsecs_to_jiffies_timeout(const u64 n)
> > {
> > return min_t(u64, MAX_JIFFY_OFFSET, nsecs_to_jiffies64(n) + 1);
> > }
>
> Yea. This looks much nicer. Seems generic enough it might be better
> added next to nsec_to_jiffies64() in kernel/time/time.c or jiffies.h
> rather then in a driver header.
Ok, that needs an EXPORT_SYMBOL for nsecs_to_jiffies64. Can I count your
"Yea" above as an ack for adding that and pulling it in through
drm-intel.git?
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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