On 7/17/07, Alan Stern <[EMAIL PROTECTED]> wrote:
> On Tue, 17 Jul 2007, Branden Sletteland wrote:
>
> > With that code added I just see the print out for each of the four
> > ports three times, and the device is not detected.
>
> Try this patch instead.
>
> Alan Stern
>
>
> Index: 2.6.22/drivers/usb/host/ehci-hub.c
> ===================================================================
> --- 2.6.22.orig/drivers/usb/host/ehci-hub.c
> +++ 2.6.22/drivers/usb/host/ehci-hub.c
> @@ -372,6 +372,13 @@ ehci_hub_status_data (struct usb_hcd *hc
> /* port N changes (bit N)? */
> spin_lock_irqsave (&ehci->lock, flags);
> for (i = 0; i < ports; i++) {
> +
> + /* Some HCs don't like to be jostled during a reset */
> + if (ehci->reset_done[i] &&
> + time_before(jiffies, ehci->reset_done[i])) {
> + printk("Skip status poll for port %d\n", i+1);
> + continue;
> + }
> temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
>
> /*
>
>
>
This results in the device being detected as a Full speed device as
before. (Actually a High speed device plugged into a Full speed hub,
with warnings from the USB drivers)
No skip status messages are appearing.
Branden
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