USB: work around for EHCI with quirky periodic schedules
authorOliver Neukum <oliver@neukum.org>
Fri, 27 Nov 2009 14:17:59 +0000 (15:17 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 1 Dec 2009 00:43:16 +0000 (16:43 -0800)
a quirky chipset needs periodic schedules to run for a minimum
time before they can be disabled again. This enforces the requirement
with a time stamp and a calculated delay

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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