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authorAlan Stern <stern@rowland.harvard.edu>2007-05-30 15:39:33 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-07-12 16:34:30 -0700
commitb41a60eca833d76593d4dac8a59f5c38714194ee (patch)
treea7c5cf721d9978503c3c8c88183747cf954b8733 /arch/frv
parent54515fe528d8c6f9bfaf7d0b9fffb908deecad78 (diff)
downloadop-kernel-dev-b41a60eca833d76593d4dac8a59f5c38714194ee.zip
op-kernel-dev-b41a60eca833d76593d4dac8a59f5c38714194ee.tar.gz
USB: add power/persist device attribute
This patch (as920) adds an extra level of protection to the USB-Persist facility. Now it will apply by default only to hubs; for all other devices the user must enable it explicitly by setting the power/persist device attribute. The disconnect_all_children() routine in hub.c has been removed and its code placed inline. This is the way it was originally as part of hub_pre_reset(); the revised usage in hub_reset_resume() is sufficiently different that the code can no longer be shared. Likewise, mark_children_for_reset() is now inline as part of hub_reset_resume(). The end result looks much cleaner than before. The sysfs interface is updated to add the new attribute file, and there are corresponding documentation updates. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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