wifi: ath12k: refactor ath12k_mac_op_stop()

To support single wiphy abstraction, introduce link/radio specific helper
function in the mac80211 callback stop(). This way, the callback can be
extended to handle multiple link/radio in the future.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240103063731.3356060-6-quic_periyasa@quicinc.com

drivers/net/wireless/ath/ath12k/mac.c

@@ -5276,14 +5276,11 @@ int ath12k_mac_rfkill_enable_radio(struct ath12k *ar, bool enable)
 	return 0;
 }
 
-static void ath12k_mac_op_stop(struct ieee80211_hw *hw)
+static void ath12k_mac_stop(struct ath12k *ar)
 {
-	struct ath12k *ar = hw->priv;
 	struct htt_ppdu_stats_info *ppdu_stats, *tmp;
 	int ret;
 
-	ath12k_mac_drain_tx(ar);
-
 	mutex_lock(&ar->conf_mutex);
 	ret = ath12k_mac_config_mon_status_default(ar, false);
 	if (ret && (ret != -ENOTSUPP))
@@ -5312,6 +5309,15 @@ static void ath12k_mac_op_stop(struct ieee80211_hw *hw)
 	atomic_set(&ar->num_pending_mgmt_tx, 0);
 }
 
+static void ath12k_mac_op_stop(struct ieee80211_hw *hw)
+{
+	struct ath12k *ar = hw->priv;
+
+	ath12k_mac_drain_tx(ar);
+
+	ath12k_mac_stop(ar);
+}
+
 static u8
 ath12k_mac_get_vdev_stats_id(struct ath12k_vif *arvif)
 {