wifi: rtw89: Disallow power save with multiple stations

Power saving for more than one station is not supported currently.
Disallow entering PS mode when we have more than one associated
stations.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230415035016.15788-1-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 8bbc05571104ba772003021fc270fffe05463715..a589f0902a92c2d6b3fa33f704dcc6c8f16eef4e 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -2509,6 +2509,9 @@ static void rtw89_vif_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwv
            rtwvif->tdls_peer)
                return;
 
+       if (rtwdev->total_sta_assoc > 1)
+               return;
+
        if (rtwvif->offchan)
                return;