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[v2,3/7] rsi: use appropriate interface for power save configuration

Message ID 1523372657-6067-4-git-send-email-siva8118@gmail.com (mailing list archive)
State Accepted
Commit cbbfdd6c700f7c840df73199fac0c77a31b6d944
Delegated to: Kalle Valo
Headers show

Commit Message

Siva Rebbagondla April 10, 2018, 3:04 p.m. UTC 
From: Amitkumar Karwar <amit.karwar@redpinesignals.com>

Power save request should be sent on station interface. Virtual
interface which is connected should be preferred. This patch
resolves device not entering power save problem in certain
situations

Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
---
 drivers/net/wireless/rsi/rsi_91x_mac80211.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index 5edc3a9..77aa3bb 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -614,7 +614,7 @@  static int rsi_mac80211_config(struct ieee80211_hw *hw,
 
 	/* Power save parameters */
 	if (changed & IEEE80211_CONF_CHANGE_PS) {
-		struct ieee80211_vif *vif;
+		struct ieee80211_vif *vif, *sta_vif = NULL;
 		unsigned long flags;
 		int i, set_ps = 1;
 
@@ -628,13 +628,17 @@  static int rsi_mac80211_config(struct ieee80211_hw *hw,
 				set_ps = 0;
 				break;
 			}
+			if ((vif->type == NL80211_IFTYPE_STATION ||
+			     vif->type == NL80211_IFTYPE_P2P_CLIENT) &&
+			    (!sta_vif || vif->bss_conf.assoc))
+				sta_vif = vif;
 		}
-		if (set_ps) {
+		if (set_ps && sta_vif) {
 			spin_lock_irqsave(&adapter->ps_lock, flags);
 			if (conf->flags & IEEE80211_CONF_PS)
-				rsi_enable_ps(adapter, vif);
+				rsi_enable_ps(adapter, sta_vif);
 			else
-				rsi_disable_ps(adapter, vif);
+				rsi_disable_ps(adapter, sta_vif);
 			spin_unlock_irqrestore(&adapter->ps_lock, flags);
 		}
 	}