Am Montag, 21. Oktober 2002 10:05 schrieb Duncan Sands:
> SUMMARY: I have found a workaround for a hardware problem
> with my VIA USB hub (PCI ID: 1106 VIA, 3038 USB hub). I
> need help integrating it into the UHCI hcd.
>
> THE PROBLEM: plugging in a new device, with a device already
> plugged in, causes the existing device to malfunction, either by
> causing some urbs to fail (the case with my webcam) or all urbs
> to fail from then on (the case with my speedtouch modem).
>
> THE SOLUTION: this problem does not occur with windows. By
> observing reads and writes to the USB I/O registers I found
> that some VIA specific code (viausb.sys) does the following
> on a PORT_RESET:
First of all, you should set a flag for your problem in uhci_pci_probe()
and do an if on that upon a port reset. It's not a critical code path.
Regards
Oliver
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