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authorAlan Stern <stern@rowland.harvard.edu>2007-03-13 16:37:30 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-04-27 13:28:35 -0700
commit6b157c9bf3bace6eeb4a973da63923ef24995cce (patch)
tree7069b603d4a3d4723e8b99a23f97139b100547db /Documentation
parent378465396e74aa6ef36271cecaea49eb742025a8 (diff)
USB: separate autosuspend from external suspend
This patch (as866) adds new entry points for external USB device suspend and resume requests, as opposed to internally-generated autosuspend or autoresume. It also changes the existing remote-wakeup code paths to use the new routines, since remote wakeup is not the same as autoresume. As part of the change, it turns out to be necessary to do remote wakeup of root hubs from a workqueue. We had been using khubd, but it does autoresume rather than an external resume. Using the ksuspend_usb_wq workqueue for this purpose seemed a logical choice. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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