mac80211: disable power save when scanning

[linux-2.6-omap-h63xx.git] / include / net / mac80211.h

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index daa539a4287b92545b291b16c57fc84a45dee084..174dc1d7526b6ae4e3fdd2b585adf30f44927fc6 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1307,11 +1307,13 @@ enum ieee80211_ampdu_mlme_action {
  *
  * @hw_scan: Ask the hardware to service the scan request, no need to start
  *     the scan state machine in stack. The scan must honour the channel
- *     configuration done by the regulatory agent in the wiphy's registered
- *     bands. When the scan finishes, ieee80211_scan_completed() must be
- *     called; note that it also must be called when the scan cannot finish
- *     because the hardware is turned off! Anything else is a bug!
- *     Returns a negative error code which will be seen in userspace.
+ *     configuration done by the regulatory agent in the wiphy's
+ *     registered bands. The hardware (or the driver) needs to make sure
+ *     that power save is disabled. When the scan finishes,
+ *     ieee80211_scan_completed() must be called; note that it also must
+ *     be called when the scan cannot finish because the hardware is
+ *     turned off! Anything else is a bug! Returns a negative error code
+ *     which will be seen in userspace.
  *
  * @sw_scan_start: Notifier function that is called just before a software scan
  *     is started. Can be NULL, if the driver doesn't need this notification.