tree 3b2de5ad788d145101762876e12c78c5b6383f93
parent 188d63602756bfd4aa1fb61d531dbd59bddac962
author Oliver Neukum <oliver@neukum.org> 1213953957 +0200
committer Greg Kroah-Hartman <gregkh@suse.de> 1216678596 -0700

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>