On Wednesday 13 April 2005 1:30 pm, Jaroslav Flidr wrote:
> Well, here is the patch I am using. Quite simple, really... (2.6.11 
> kernel):

Yes, thanks.  It got line wrapped, but I can cope.


> Just curious: with the exception of PXA27x and possibly iPaq who else 
> is using ohci?

On PCs, names like NVidia, SiS, ATI, ULI, Apple, Philips, NEC, and
for older chips CMD, OPTi, and Compaq come quickly to mind.  Or to
be more generic, pretty much anything except chips from Intel or VIA.

On embedded hardware, pretty much everyone integrating on a SOC
who's not using something like the Mentor or TDI IP for high speed;
do an "ls" of the drivers/usb/host/ohci-*.c and you'll get a quick
snapshot of what 2.6.11 supports, though it's not a complete list
of what runs with Linux (there are SOCs which aren't yet merged).


> My guess is that PXA27x host controller is just an SA1111 clone put on 
> that chip so it is reasonable to assume it broken. I will know soon.  
> We are getting our new PXA270-based boards in a few weeks.

I had the same thought; although enough time has passed that maybe
Intel decided to do something better.  That we've not gotten PXA27x
OHCI bug reports on this issue doesn't necessarily mean the bug
isn't there.  But I do think "most" OHCI implementations don't
have this WDH quirk ... the sa1111 is pretty old by now.

- Dave


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