ath10k: remove htc->stopped

This is not necessary anymore. There are no more
uncontrolled htc tx entry points.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/core.c

@@ -779,7 +779,7 @@ int ath10k_core_start(struct ath10k *ar)
 	if (status <= 0) {
 		ath10k_warn("wmi service ready event not received");
 		status = -ETIMEDOUT;
-		goto err_htc_stop;
+		goto err_hif_stop;
 	}
 
 	ath10k_dbg(ATH10K_DBG_BOOT, "firmware %s booted\n",
@@ -788,25 +788,25 @@ int ath10k_core_start(struct ath10k *ar)
 	status = ath10k_wmi_cmd_init(ar);
 	if (status) {
 		ath10k_err("could not send WMI init command (%d)\n", status);
-		goto err_htc_stop;
+		goto err_hif_stop;
 	}
 
 	status = ath10k_wmi_wait_for_unified_ready(ar);
 	if (status <= 0) {
 		ath10k_err("wmi unified ready event not received\n");
 		status = -ETIMEDOUT;
-		goto err_htc_stop;
+		goto err_hif_stop;
 	}
 
 	status = ath10k_htt_setup(&ar->htt);
 	if (status) {
 		ath10k_err("failed to setup htt: %d\n", status);
-		goto err_htc_stop;
+		goto err_hif_stop;
 	}
 
 	status = ath10k_debug_start(ar);
 	if (status)
-		goto err_htc_stop;
+		goto err_hif_stop;
 
 	if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features))
 		ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1;
@@ -835,8 +835,6 @@ int ath10k_core_start(struct ath10k *ar)
 
 	return 0;
 
-err_htc_stop:
-	ath10k_htc_stop(&ar->htc);
 err_hif_stop:
 	ath10k_hif_stop(ar);
 err_htt_rx_detach:
@@ -881,7 +879,6 @@ void ath10k_core_stop(struct ath10k *ar)
 		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
 
 	ath10k_debug_stop(ar);
-	ath10k_htc_stop(&ar->htc);
 	ath10k_hif_stop(ar);
 	ath10k_htt_tx_free(&ar->htt);
 	ath10k_htt_rx_free(&ar->htt);

drivers/net/wireless/ath/ath10k/htc.c

@@ -138,14 +138,6 @@ int ath10k_htc_send(struct ath10k_htc *htc,
 		return -ENOENT;
 	}
 
-	/* FIXME: This looks ugly, can we fix it? */
-	spin_lock_bh(&htc->tx_lock);
-	if (htc->stopped) {
-		spin_unlock_bh(&htc->tx_lock);
-		return -ESHUTDOWN;
-	}
-	spin_unlock_bh(&htc->tx_lock);
-
 	skb_push(skb, sizeof(struct ath10k_htc_hdr));
 
 	if (ep->tx_credit_flow_enabled) {
@@ -846,13 +838,6 @@ int ath10k_htc_start(struct ath10k_htc *htc)
 	return 0;
 }
 
-void ath10k_htc_stop(struct ath10k_htc *htc)
-{
-	spin_lock_bh(&htc->tx_lock);
-	htc->stopped = true;
-	spin_unlock_bh(&htc->tx_lock);
-}
-
 /* registered target arrival callback from the HIF layer */
 int ath10k_htc_init(struct ath10k *ar)
 {
@@ -862,7 +847,6 @@ int ath10k_htc_init(struct ath10k *ar)
 
 	spin_lock_init(&htc->tx_lock);
 
-	htc->stopped = false;
 	ath10k_htc_reset_endpoint_states(htc);
 
 	/* setup HIF layer callbacks */

drivers/net/wireless/ath/ath10k/htc.h

@@ -332,7 +332,7 @@ struct ath10k_htc {
 	struct ath10k *ar;
 	struct ath10k_htc_ep endpoint[ATH10K_HTC_EP_COUNT];
 
-	/* protects endpoint and stopped fields */
+	/* protects endpoints */
 	spinlock_t tx_lock;
 
 	struct ath10k_htc_ops htc_ops;
@@ -345,8 +345,6 @@ struct ath10k_htc {
 	int total_transmit_credits;
 	struct ath10k_htc_svc_tx_credits service_tx_alloc[ATH10K_HTC_EP_COUNT];
 	int target_credit_size;
-
-	bool stopped;
 };
 
 int ath10k_htc_init(struct ath10k *ar);
@@ -357,7 +355,6 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
 			       struct ath10k_htc_svc_conn_resp *conn_resp);
 int ath10k_htc_send(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
 		    struct sk_buff *packet);
-void ath10k_htc_stop(struct ath10k_htc *htc);
 struct sk_buff *ath10k_htc_alloc_skb(int size);
 
 #endif