author Alan Stern <stern@rowland.harvard.edu> 1192047896 -0400
committer Greg Kroah-Hartman <gregkh@suse.de> 1192226134 -0700

USB: documentation for USB power management

This patch (as998) adds documentation on how USB power management
works and how to use it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>