diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f56d6f4..f64402f 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1489,7 +1489,7 @@
  * @update_tkip_key: See the section "Hardware crypto acceleration"
  * 	This callback will be called in the context of Rx. Called for drivers
  * 	which set IEEE80211_KEY_FLAG_TKIP_REQ_RX_P1_KEY.
- *	The callback can sleep.
+ *	The callback must be atomic.
  *
  * @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
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 40c6e9a..6c31f38 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -144,8 +144,6 @@
 {
 	struct ieee80211_sta *ista = NULL;
 
-	might_sleep();
-
 	if (sta)
 		ista = &sta->sta;