rtw88: do PHY calibration while starting AP

Calling calibration to yield expected PHY performance. We do this in STA
mode, so do this in AP mode as well.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220407095858.46807-6-pkshih@realtek.com

drivers/net/wireless/realtek/rtw88/mac80211.c

@@ -429,6 +429,18 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
 	mutex_unlock(&rtwdev->mutex);
 }
 
+static int rtw_ops_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	struct rtw_dev *rtwdev = hw->priv;
+	struct rtw_chip_info *chip = rtwdev->chip;
+
+	mutex_lock(&rtwdev->mutex);
+	chip->ops->phy_calibration(rtwdev);
+	mutex_unlock(&rtwdev->mutex);
+
+	return 0;
+}
+
 static int rtw_ops_conf_tx(struct ieee80211_hw *hw,
 			   struct ieee80211_vif *vif, u16 ac,
 			   const struct ieee80211_tx_queue_params *params)
@@ -886,6 +898,7 @@ const struct ieee80211_ops rtw_ops = {
 	.change_interface	= rtw_ops_change_interface,
 	.configure_filter	= rtw_ops_configure_filter,
 	.bss_info_changed	= rtw_ops_bss_info_changed,
+	.start_ap		= rtw_ops_start_ap,
 	.conf_tx		= rtw_ops_conf_tx,
 	.sta_add		= rtw_ops_sta_add,
 	.sta_remove		= rtw_ops_sta_remove,