From 7dad3e39fde1eef97bc1a0b92e5d0f3500c9ed56 Mon Sep 17 00:00:00 2001 From: Chih-Kang Chang Date: Tue, 9 Aug 2022 16:41:07 +0800 Subject: [PATCH] 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 Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220809084107.38137-8-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw88/mac80211.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index ef60041fe6bf..07578ccc4bab 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: