From: Ping-Ke Shih pkshih@realtek.com
[ Upstream commit ebfc9199df05d37b67f4d1b7ee997193f3d2e7c8 ]
To ensure where are protected by driver mutex can also be protected by wiphy_lock(), so afterward we can remove driver mutex safely.
Signed-off-by: Ping-Ke Shih pkshih@realtek.com Link: https://patch.msgid.link/20250122060310.31976-2-pkshih@realtek.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/realtek/rtw89/regd.c | 2 ++ drivers/net/wireless/realtek/rtw89/ser.c | 4 ++++ 2 files changed, 6 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/regd.c b/drivers/net/wireless/realtek/rtw89/regd.c index bb064a086970b..e8df68818da01 100644 --- a/drivers/net/wireless/realtek/rtw89/regd.c +++ b/drivers/net/wireless/realtek/rtw89/regd.c @@ -695,6 +695,7 @@ void rtw89_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct rtw89_dev *rtwdev = hw->priv;
+ wiphy_lock(wiphy); mutex_lock(&rtwdev->mutex); rtw89_leave_ps_mode(rtwdev);
@@ -712,6 +713,7 @@ void rtw89_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request
exit: mutex_unlock(&rtwdev->mutex); + wiphy_unlock(wiphy); }
/* Maximum Transmit Power field (@raw) can be EIRP or PSD. diff --git a/drivers/net/wireless/realtek/rtw89/ser.c b/drivers/net/wireless/realtek/rtw89/ser.c index 7b203bb7f151a..02c2ac12f197a 100644 --- a/drivers/net/wireless/realtek/rtw89/ser.c +++ b/drivers/net/wireless/realtek/rtw89/ser.c @@ -156,9 +156,11 @@ static void ser_state_run(struct rtw89_ser *ser, u8 evt) rtw89_debug(rtwdev, RTW89_DBG_SER, "ser: %s receive %s\n", ser_st_name(ser), ser_ev_name(ser, evt));
+ wiphy_lock(rtwdev->hw->wiphy); mutex_lock(&rtwdev->mutex); rtw89_leave_lps(rtwdev); mutex_unlock(&rtwdev->mutex); + wiphy_unlock(rtwdev->hw->wiphy);
ser->st_tbl[ser->state].st_func(ser, evt); } @@ -707,9 +709,11 @@ static void ser_l2_reset_st_hdl(struct rtw89_ser *ser, u8 evt)
switch (evt) { case SER_EV_STATE_IN: + wiphy_lock(rtwdev->hw->wiphy); mutex_lock(&rtwdev->mutex); ser_l2_reset_st_pre_hdl(ser); mutex_unlock(&rtwdev->mutex); + wiphy_unlock(rtwdev->hw->wiphy);
ieee80211_restart_hw(rtwdev->hw); ser_set_alarm(ser, SER_RECFG_TIMEOUT, SER_EV_L2_RECFG_TIMEOUT);