qcacld-3.0: Hold wake lock for set MAC address command

The update MAC address WMI command response is not WOW event.
If there is suspend before the response comes back, the
response will be delayed to host and host may wait timeout.
Fix by acquire the wake lock and runtime pm lock for set
MAC address command.

Change-Id: Id6090a589b0bbf5e67f934ecc28270d76186b88a
CRs-Fixed: 3326753

core/hdd/inc/wlan_hdd_main.h

@@ -932,6 +932,7 @@ struct hdd_chan_change_params {
  * @monitor_mode: monitor mode context to prevent/allow runtime pm
  * @wow_unit_test: wow unit test mode context to prevent/allow runtime pm
  * @system_suspend: system suspend context to prevent/allow runtime pm
+ * @dyn_mac_addr_update: update mac addr context to prevent/allow runtime pm
  *
  * Runtime PM control for underlying activities
  */
@@ -943,6 +944,7 @@ struct hdd_runtime_pm_context {
 	qdf_runtime_lock_t monitor_mode;
 	qdf_runtime_lock_t wow_unit_test;
 	qdf_runtime_lock_t system_suspend;
+	qdf_runtime_lock_t dyn_mac_addr_update;
 };
 
 /*

core/hdd/src/wlan_hdd_main.c

@@ -1231,6 +1231,7 @@ static void hdd_runtime_suspend_context_init(struct hdd_context *hdd_ctx)
 	qdf_runtime_lock_init(&ctx->monitor_mode);
 	qdf_runtime_lock_init(&ctx->wow_unit_test);
 	qdf_runtime_lock_init(&ctx->system_suspend);
+	qdf_runtime_lock_init(&ctx->dyn_mac_addr_update);
 
 	qdf_rtpm_register(QDF_RTPM_ID_WIPHY_SUSPEND, NULL);
 	qdf_rtpm_register(QDF_RTPM_ID_PM_QOS_NOTIFY, NULL);
@@ -1253,6 +1254,7 @@ static void hdd_runtime_suspend_context_deinit(struct hdd_context *hdd_ctx)
 	if (ctx->is_user_wakelock_acquired)
 		qdf_runtime_pm_allow_suspend(&ctx->user);
 
+	qdf_runtime_lock_deinit(&ctx->dyn_mac_addr_update);
 	qdf_runtime_lock_deinit(&ctx->wow_unit_test);
 	qdf_runtime_lock_deinit(&ctx->monitor_mode);
 	qdf_runtime_lock_deinit(&ctx->user);
@@ -5124,6 +5126,12 @@ int hdd_dynamic_mac_address_set(struct hdd_context *hdd_ctx,
 		update_self_peer = true;
 		update_mld_addr = false;
 	}
+	/* Host should hold a wake lock until the FW event response is received
+	 * the WMI event would not be a wake up event.
+	 */
+	qdf_runtime_pm_prevent_suspend(
+			&hdd_ctx->runtime_context.dyn_mac_addr_update);
+	hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_DYN_MAC_ADDR_UPDATE);
 
 	cookie = osif_request_cookie(request);
 	hdd_update_set_mac_addr_req_ctx(adapter, cookie);
@@ -5164,6 +5172,10 @@ int hdd_dynamic_mac_address_set(struct hdd_context *hdd_ctx,
 status_ret:
 	qdf_ret_status = ucfg_vdev_mgr_cdp_vdev_attach(adapter->vdev);
 	if (QDF_IS_STATUS_ERROR(qdf_ret_status)) {
+		hdd_allow_suspend(
+			WIFI_POWER_EVENT_WAKELOCK_DYN_MAC_ADDR_UPDATE);
+		qdf_runtime_pm_allow_suspend(
+				&hdd_ctx->runtime_context.dyn_mac_addr_update);
 		hdd_err("Failed to attach CDP vdev. status:%d", qdf_ret_status);
 		return qdf_status_to_os_return(qdf_ret_status);
 	}
@@ -5173,6 +5185,10 @@ status_ret:
 	ucfg_pmo_del_wow_pattern(adapter->vdev);
 	ucfg_pmo_register_wow_default_patterns(adapter->vdev);
 
+	hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DYN_MAC_ADDR_UPDATE);
+	qdf_runtime_pm_allow_suspend(
+			&hdd_ctx->runtime_context.dyn_mac_addr_update);
+
 	return ret;
 }