[i2c] [PATCH] DS1339: oscillator code added.
David Brownell
david-b at pacbell.net
Tue Jun 26 11:52:50 CEST 2007
On Tuesday 26 June 2007, Rodolfo Giometti wrote:
> On Tue, Jun 26, 2007 at 02:22:51AM -0700, David Brownell wrote:
> >
> > Failing that, sysfs already exposes the time, so
> > that any tool that *could* sanity check the time
> > against some external source (NTP etc) can already
> > do so.
>
> And if you have an embedded device (even if a PDA) with no external
> source available? How you can know that current time is wrong?
The "Old Fashioned Way" (tm) -- compare its time with what
the wall clock says, or your wrist watch, or cell phone, or
TV, or maybe even your cable box.
There's essentially always an external source available.
It may not be networked though.
And such problems are not unique to this driver...
More information about the i2c
mailing list