On Fri, Aug 26, 2011 at 11:13:08AM -0400, Alan Stern wrote: > On Thu, 25 Aug 2011, Sarah Sharp wrote: > > > Note that the mask does not include the warm port reset bit (PORT_WRC). > > When I applied the attached patch to include the warm port reset bit > > change in the mask on top of Andiry's patch (plus the modifications I > > made), the USB core did clear the BH reset change. > > Your patch includes a FIXME asking about the PORT_RC field. The answer > is that reset-change does not need to be reported (indeed, UHCI doesn't > support it at all) unless it causes an IRQ, in which case you have to > report it so that usbcore can turn off the IRQ source. We don't use it > for anything because it never gets set spontaneously -- it only gets > set in response to a reset initiated by the host. Ah, ok, I was too tired after debugging yesterday to remove the FIXME note before sending it. :) Sarah Sharp -- 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
