diff mbox series

[v2,7/7] wifi: rtw88: prohibit enter IPS during HW scan

Message ID 20220809084107.38137-8-pkshih@realtek.com
State New
Headers show
Series wifi: rtw88: add proper mutex lock to safely access channel | expand

Commit Message

Ping-Ke Shih Aug. 9, 2022, 8:41 a.m. UTC 
From: Chih-Kang Chang <gary.chang@realtek.com>

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 <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/mac80211.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
index ef60041fe6bf6..07578ccc4bab3 100644
--- 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: