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wifi: rtw88: prohibit enter IPS during HW scan

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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>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220809084107.38137-8-pkshih@realtek.com
This commit is contained in:
Chih-Kang Chang 2022-08-09 16:41:07 +08:00 committed by Kalle Valo
parent 6bf3a08340
commit 7dad3e39fd
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/realtek/rtw88/mac80211.c
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@ -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: