[ntp:hackers] u-blox reference clock driver

Gary E. Miller gem at rellim.com
Tue Aug 28 17:36:08 UTC 2018

Yo Achim!

On Tue, 28 Aug 2018 19:28:32 +0200
Achim Gratz via devel <devel at ntpsec.org> wrote:

> Gary E. Miller via devel writes:
> > We probably need to work with linuxpps, but we may have an easier
> > time working with the folks that maintain the Raspberry Pi fork.
> > The last time I asked for a dtb change it took one day to get in
> > git head.  
> The only thing that linuxpps would be the correct target for is
> getting the PPS echo facility to do something useful with GPIO (and
> maybe serial, but that's a whole 'nother driver to consider).

Yes.  But until we have a kernel driver, the rest is pointless.

> > Lukas told me, privately, he had already submitted it the the
> > LKM folks and been overwhelmed by the changes they requested.  So
> > the patch will clearly need work.  
> That does not surprise me, given it's all a pretty ugly hack that
> really only works for the one single thing he's needed it for.  I'm
> not blaming him, just a reminder that getting things upstream takes a
> lot more apple polishing.

Agreed.  Lukas made a good start, but more to do.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

	    Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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