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由 Alan Stern 提交于
This patch (as813) gathers together common code for USB interface autosuspend/autoresume. It also adds some simple checking at the time an autosuspend request is made, to see whether the request will fail. This way we don't add a workqueue entry when it would end up doing nothing. Signed-off-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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