Re: *IT WORKS* Re: CardBus USB 2.0 Controller (NEC uPD)

From: John-Mark Gurney <gurney_j_at_efn.org>
Date: Thu, 12 Jun 2003 01:10:24 -0700
Craig Boston wrote this message on Wed, Jun 11, 2003 at 22:44 -0500:
> Believe it or not, after futzing with the debugger for hours, reading the OHCI 
> spec, and trying to figure out why writing to the control registers works 
> exactly as it should but the card seems to ignore the ED list, I decided to 
> try something completely crazy and put the line
> 
> pci_enable_busmaster(self);
> 
> near the top of ohci_attach() in ohci_pci.c
> 
> ...and it worked!  I believe my first words upon seeing "ums0: <blah blah>" 
> were "You have GOT to be kidding me."

Hey, thanks for the great work.   This got me past the same problem on
the sparc box I have, but now I'm getting tons of:
usb0: 198 scheduling overruns

I fiddled with the PCI Latency, but it doesn't seem to do much good.
(Though the latency was set wrong.)

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."
Received on Wed Jun 11 2003 - 23:09:50 UTC

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