[OpenWrt-Devel] [PATCH] ar71xx: fix kernel Oops in at803x_link_change_notify

[Sven Eckelmann]

On Monday 06 July 2015 13:26:21 Christian Lamparter wrote:
> On Friday, July 03, 2015 12:29:32 PM Sven Eckelmann wrote:
> > > Sven, I've seen you did quite a bit of work on the OM5P-AN
> > > with the same F1E-PHY. I went through the code from Atheros'
> > > original driver SDK v17 (which was part of the GPL source
> > > for the mynet). Apart from tx delay handling, everything
> > > else matches perfectly, so the tx/rx delay code should be
> > > enabled by default for this chip on all platforms without
> > > needing any platform data overwrites.
> > 
> > Interesting, I don't have the SDK and I am only using OpenWrt. So I cannot say
> > anything about the Atheros driver. But sounds like you are right. At least all
> > recent devices I had in my hand required this change.
> Oh, I figured you have access to some of Qualcomm Atheros' SDKs
> and most importantly: some documentations from Qualcomm Atheros? 
> I hoped you could confirm or disconfirm based on the documents.

No, we don't have access to them. The tarball from Marek is the thing we
have. And it doesn't contain information from Atheros beside the stuff which
is already in OpenWrt.

> > I don't have the equipment to check the actual signals (as you said in an
> > earlier mail) - only some people which complained very loud when their long
> > cable setup didn't work. 
> Long cable... That's a good point, I think I never tested the AT8035 with
> anything beyond a 5m / 16 feet cable.  

Especially problematic devices seem to be (active/passive) POE switches + long
cables.

Kind regards,
	Sven
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