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| author | Emmanuel Grumbach | 2013-02-10 14:55:20 +0100 |
|---|---|---|
| committer | Johannes Berg | 2013-02-12 10:10:28 +0100 |
| commit | 66d575705154525c33ab99b5f9ac2d246c348db6 (patch) | |
| tree | 951f6245e652551783c7301703732362b22125cc /net/mac80211/ht.c | |
| parent | nl80211: minor correction in sample wowlan mask calculation (diff) | |
| download | kernel-qcow2-linux-66d575705154525c33ab99b5f9ac2d246c348db6.tar.gz kernel-qcow2-linux-66d575705154525c33ab99b5f9ac2d246c348db6.tar.xz kernel-qcow2-linux-66d575705154525c33ab99b5f9ac2d246c348db6.zip | |
mac80211: allow driver to be stateless wrt. SMSP requests
Bail out if no update is made to the SMPS state. This
allows the driver to avoid duplicating the state.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ht.c')
| -rw-r--r-- | net/mac80211/ht.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 61ac7c48ac0c..9e7560becbbb 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -406,6 +406,9 @@ void ieee80211_request_smps(struct ieee80211_vif *vif, if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF)) smps_mode = IEEE80211_SMPS_AUTOMATIC; + if (sdata->u.mgd.driver_smps_mode == smps_mode) + return; + sdata->u.mgd.driver_smps_mode = smps_mode; ieee80211_queue_work(&sdata->local->hw, |