From 1d619f128ba911cd3e6d6ad3475f146eb92f5c27 Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <marcelo@kvack.org>
Date: Sun, 21 Jan 2007 19:45:59 -0200
Subject: [PATCH] USB: switch ehci-hcd to new polling scheme

Switch ehci-hcd to use the new polling scheme, which reports root
hub status changes via the interrupt handler, in an asynchronous
fashion. Doing so disables polling for status changes (whose handler is
rh_timer_func).

Tested on a Geode GX machine, which is now capable of running at =~ 5
timer interrupts per second (in the -rt tree), resulting in significant
power savings.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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