On Wed, 24 Jun 2009 09:58:42 +0800 David Brownell <david-b@xxxxxxxxxxx> wrote: > On Thursday 11 June 2009, Alek Du wrote: > > --- a/drivers/usb/core/hub.c > > +++ b/drivers/usb/core/hub.c > > @@ -1545,6 +1545,7 @@ static int usb_configure_device_otg(struct usb_device *udev) > > err); > > bus->b_hnp_enable = 0; > > } > > + usb_notify_otg_hnp_enable(udev); > > } > > } > > } > > What makes this hardware so unlike other OTG hosts that it needs > to add a hook at this level? > > There are other OTG implementations, and they didn't need this... > > David, Because it is the first EHCI OTG controller driver. The notification is used for OTG transceiver driver (already in linus git tree) to update its hw status. Thanks, Alek -- 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
