ath10k: remove ar_pci->started

There are basically no more uses for
ar_pci->started. It is also perfectly safe to call
hif_stop without hif_start now.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

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

@@ -1115,14 +1115,11 @@ static void ath10k_pci_irq_enable(struct ath10k *ar)
 
 static int ath10k_pci_hif_start(struct ath10k *ar)
 {
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-
 	ath10k_dbg(ATH10K_DBG_BOOT, "boot hif start\n");
 
 	ath10k_pci_irq_enable(ar);
 	ath10k_pci_rx_post(ar);
 
-	ar_pci->started = 1;
 	return 0;
 }
 
@@ -1225,13 +1222,8 @@ static void ath10k_pci_flush(struct ath10k *ar)
 
 static void ath10k_pci_hif_stop(struct ath10k *ar)
 {
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-
 	ath10k_dbg(ATH10K_DBG_BOOT, "boot hif stop\n");
 
-	if (WARN_ON(!ar_pci->started))
-		return;
-
 	ath10k_pci_irq_disable(ar);
 	ath10k_pci_flush(ar);
 
@@ -1240,8 +1232,6 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)
 	 * memory is to reset the chip now.
 	 */
 	ath10k_pci_warm_reset(ar);
-
-	ar_pci->started = 0;
 }
 
 static int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,

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

@@ -167,8 +167,6 @@ struct ath10k_pci {
 	struct tasklet_struct intr_tq;
 	struct tasklet_struct msi_fw_err;
 
-	int started;
-
 	struct ath10k_pci_pipe pipe_info[CE_COUNT_MAX];
 
 	struct ath10k_hif_cb msg_callbacks_current;