commit | bf6387bcd16975ba8952b094f262a359d74e1c8a | [log] [tgz] |
---|---|---|
author | Alan Stern <stern@rowland.harvard.edu> | Wed Jul 11 11:22:31 2012 -0400 |
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon Jul 16 16:54:25 2012 -0700 |
tree | ac578ff256a5cd972c5866525c65e44e4360974e | |
parent | df2022553dd8d34d49e16c19d851ea619438f0ef [diff] |
USB: EHCI: use hrtimer for controller death This patch (as1578) adds an hrtimer event to handle the death of an EHCI controller. When a controller dies, it doesn't necessarily stop running right away. The new event polls at 1-ms intervals to see when all activity has safely stopped. This replaces a busy-wait polling loop in the current code. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>