wifi: rtw88: prohibit enter IPS during HW scan

Mac80211 core may ask driver to change to idle mode during HW scan, then H2C command for HW scan will send failed since chip is in idle mode. Therefore, We check the SCANNING flag before entering IPS to prevent this behavior. Signed-off-by: Chih-Kang Chang <[email protected]> Signed-off-by: Ping-Ke Shih <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
josf · Aug 10, 2022 · 7dad3e3 · 7dad3e3
1 parent 6bf3a08
commit 7dad3e3
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -101,7 +101,8 @@ static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
 		rtw_set_channel(rtwdev);
 
 	if ((changed & IEEE80211_CONF_CHANGE_IDLE) &&
-	    (hw->conf.flags & IEEE80211_CONF_IDLE))
+	    (hw->conf.flags & IEEE80211_CONF_IDLE) &&
+	    !test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
 		rtw_enter_ips(rtwdev);
 
 out: