ath6kl: create ath6kl_cfg80211_stop()

Just take code from deep sleep for now, will be improved later. No
functional changes.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index e7203cf..db75642 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2113,6 +2113,55 @@
 	.mgmt_frame_register = ath6kl_mgmt_frame_register,
 };
 
+void ath6kl_cfg80211_stop(struct ath6kl *ar)
+{
+	struct ath6kl_vif *vif;
+
+	/* FIXME: for multi vif */
+	vif = ath6kl_vif_first(ar);
+	if (!vif) {
+		/* save the current power mode before enabling power save */
+		ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
+
+		if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
+			ath6kl_warn("ath6kl_deep_sleep_enable: "
+				    "wmi_powermode_cmd failed\n");
+		return;
+	}
+
+	switch (vif->sme_state) {
+	case SME_CONNECTING:
+		cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
+					NULL, 0,
+					WLAN_STATUS_UNSPECIFIED_FAILURE,
+					GFP_KERNEL);
+		break;
+	case SME_CONNECTED:
+	default:
+		/*
+		 * FIXME: oddly enough smeState is in DISCONNECTED during
+		 * suspend, why? Need to send disconnected event in that
+		 * state.
+		 */
+		cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
+		break;
+	}
+
+	if (test_bit(CONNECTED, &vif->flags) ||
+	    test_bit(CONNECT_PEND, &vif->flags))
+		ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
+
+	vif->sme_state = SME_DISCONNECTED;
+
+	/* disable scanning */
+	if (ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0xFFFF, 0, 0,
+				      0, 0, 0, 0, 0, 0, 0) != 0)
+		printk(KERN_WARNING "ath6kl: failed to disable scan "
+		       "during suspend\n");
+
+	ath6kl_cfg80211_scan_complete_event(vif, true);
+}
+
 struct ath6kl *ath6kl_core_alloc(struct device *dev)
 {
 	struct ath6kl *ar;