On Wed, Aug 21, 2013 at 04:10:12PM +0800, Ming Lei wrote: > This patch introduces ehci_disable_event(), which is applied on > IAA_WATCHDOG and START_UNLINK_INTR timeouts if the two corresponding > events(IAA and intr URB submission) happened, so that we may avoid > unnecessary CPU wakeup by canceling the timer. > > One simple test indicates about 7~8 timer expirations/sec > (20% ~ 30% of totoal timer expirations/sec) can be saved when one asix > network NIC is connected to EHCI without network traffic(the device > responds interrupt poll 7~8 times per second constantly for link status > query).
Due to the discussions about this, I'm dropping this from my to-apply queue for now. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
