On 12/22/06, Alan Stern <[EMAIL PROTECTED]> wrote:
> On Fri, 22 Dec 2006, Jon Smirl wrote:
>
> > I've got three USB 1.0 devices now that fail to work when plugged into
> > a USB 2.0 hub. I have all of the EHCI patches from mm applied to my
> > kernel.
> >
> > I have the source the device drivers. Can someone explain to be what
> > needs to be done to adjust these drivers to work with a USB 2.0 hub? I
> > have some time over the vacation period and I'll work on the drivers
> > if I know what is needed.
>
> If the drivers don't talk to the hub directly but only to the devices
> then they shouldn't need any changes at all.
>
> The fact that your devices fail to work when plugged into a USB 2.0 hub
> must be caused by something other than the drivers.  Perhaps if you
> provided more information the cause would become apparent.

As I said I have the ehci patches from mm applied. Without those my
usb 2.0 hub doesn't work at all.

I'm seeing this in my logs:
ehci_hcd 0000:00:1d.7: Should not have seen same QH while linking in budget tree

>From my poking around I am starting to think that's part of the problem.


>
> Alan Stern
>
>


-- 
Jon Smirl
[EMAIL PROTECTED]

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