On Fri, Oct 16, 2009 at 04:11:48PM -0400, Alan Stern wrote: > We have had the hcd->uses_new_polling flag for many years now, so by > this time all the HCDs should be setting it. But a few laggards > aren't. Accordingly, this patch adds the flag to the drivers that > don't already set it. > > I doubt this will make any difference in the drivers' behavior, but > it would be good to test the patch just in case. Please let me know if > it causes any problems. Unfortunately, the new polling doesn't work with FHCI driver, it is unable to detect any devices (full or low speed doesn't matter). It's most probably related to a root hub handling, in FHCI there is no real root hub, i.e. FHCI has one raw port, and the driver emulating the hub states in software. I'll take a look at that... > Index: usb-2.6/drivers/usb/host/fhci-hcd.c > =================================================================== > --- usb-2.6.orig/drivers/usb/host/fhci-hcd.c > +++ usb-2.6/drivers/usb/host/fhci-hcd.c > @@ -345,6 +345,7 @@ static int fhci_start(struct usb_hcd *hc > } > > spin_lock_init(&fhci->lock); > + hcd->uses_new_polling = 1; > > /* connect the virtual root hub */ > fhci->vroot_hub->dev_num = 1; /* this field may be needed to fix */ Thanks, -- Anton Vorontsov email: cbouatmailru@xxxxxxxxx irc://irc.freenode.net/bd2 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
