On Sun, 13 May 2012, Geoff Levand wrote: > > Does ehci_poll_PSS() get called? And when it does, does it call > > ehci_set_command_bit()? > > > No, ehci_poll_PSS() is never called. I need to do some more work to > understand what's happening. Any suggestions would be welcome. Check out what's happening in enable_periodic(). The first time through, ehci->enabled_hrtimer_events should not have the EHCI_HRTIMER_DISABLE_PERIODIC bit set, so the "if" statement's "else" case should call ehci_poll_PSS(). Alan Stern -- 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