iwlwifi: add fw_alive to transport layer API, kill tx_start

Define a new handler in the transport layer API: fw_alive.
Move iwl_reset_ict to this new handler, and move the content
of tx_start to this handler.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 5e6af4b..affa56f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -835,7 +835,7 @@
 	iwl_write_prph(bus(trans), SCD_TXFACT, mask);
 }
 
-static void iwl_trans_pcie_tx_start(struct iwl_trans *trans)
+static void iwl_tx_start(struct iwl_trans *trans)
 {
 	const struct queue_to_fifo_ac *queue_to_fifo;
 	struct iwl_trans_pcie *trans_pcie =
@@ -948,6 +948,12 @@
 			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 }
 
+static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans)
+{
+	iwl_reset_ict(trans);
+	iwl_tx_start(trans);
+}
+
 /**
  * iwlagn_txq_ctx_stop - Stop all Tx DMA channels
  */
@@ -1903,11 +1909,11 @@
 const struct iwl_trans_ops trans_ops_pcie = {
 	.alloc = iwl_trans_pcie_alloc,
 	.request_irq = iwl_trans_pcie_request_irq,
+	.fw_alive = iwl_trans_pcie_fw_alive,
 	.start_device = iwl_trans_pcie_start_device,
 	.prepare_card_hw = iwl_trans_pcie_prepare_card_hw,
 	.stop_device = iwl_trans_pcie_stop_device,
 
-	.tx_start = iwl_trans_pcie_tx_start,
 	.wake_any_queue = iwl_trans_pcie_wake_any_queue,
 
 	.send_cmd = iwl_trans_pcie_send_cmd,