From: Oliver Neukum <oliver@neukum.org>
Date: Fri, 20 Jun 2008 09:25:57 +0000 (+0200)
Subject: USB: additional power savings for cdc-acm devices that support remote wakeup
X-Git-Tag: v2.6.27-rc1~946^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11ea859d64b69a747d6b060b9ed1520eab1161fe;p=pandora-kernel.git

USB: additional power savings for cdc-acm devices that support remote wakeup

this patch saves power for cdc-acm devices that support remote wakeup
while the device is connected.

- request needs_remote_wakeup when needed
- delayed write while a device is autoresumed
- the device is marked busy when appropriate

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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