qcacld-3.0: Move RTPM QoS notification inside HDD enable/disable

Runtime PM is enabled in hdd_enable_power_management(). Hence, move
PM QoS notification registration to HDD enable power management.
Similarly, move PM QoS unregistration to HDD disable power management.

Change-Id: Ifc7f280ab838dd9347095726961b6a0296626f6a
CRs-Fixed: 2665176

core/hdd/src/wlan_hdd_main.c

@@ -2856,44 +2856,6 @@ err_start_adapter:
 	return -EINVAL;
 }
 
-/**
- * hdd_enable_power_management() - API to Enable Power Management
- *
- * API invokes Bus Interface Layer power management functionality
- *
- * Return: None
- */
-static void hdd_enable_power_management(void)
-{
-	void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
-
-	if (!hif_ctx) {
-		hdd_err("Bus Interface Context is Invalid");
-		return;
-	}
-
-	hif_enable_power_management(hif_ctx, cds_is_packet_log_enabled());
-}
-
-/**
- * hdd_disable_power_management() - API to disable Power Management
- *
- * API disable Bus Interface Layer Power management functionality
- *
- * Return: None
- */
-static void hdd_disable_power_management(void)
-{
-	void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
-
-	if (!hif_ctx) {
-		hdd_err("Bus Interface Context is Invalid");
-		return;
-	}
-
-	hif_disable_power_management(hif_ctx);
-}
-
 void hdd_update_hw_sw_info(struct hdd_context *hdd_ctx)
 {
 	void *hif_sc;
@@ -3543,6 +3505,46 @@ static void hdd_wlan_unregister_pm_qos_notifier(struct hdd_context *hdd_ctx)
 }
 #endif
 
+/**
+ * hdd_enable_power_management() - API to Enable Power Management
+ *
+ * API invokes Bus Interface Layer power management functionality
+ *
+ * Return: None
+ */
+static void hdd_enable_power_management(struct hdd_context *hdd_ctx)
+{
+	void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
+
+	if (!hif_ctx) {
+		hdd_err("Bus Interface Context is Invalid");
+		return;
+	}
+
+	hif_enable_power_management(hif_ctx, cds_is_packet_log_enabled());
+	hdd_wlan_register_pm_qos_notifier(hdd_ctx);
+}
+
+/**
+ * hdd_disable_power_management() - API to disable Power Management
+ *
+ * API disable Bus Interface Layer Power management functionality
+ *
+ * Return: None
+ */
+static void hdd_disable_power_management(struct hdd_context *hdd_ctx)
+{
+	void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
+
+	if (!hif_ctx) {
+		hdd_err("Bus Interface Context is Invalid");
+		return;
+	}
+
+	hdd_wlan_unregister_pm_qos_notifier(hdd_ctx);
+	hif_disable_power_management(hif_ctx);
+}
+
 /**
  * hdd_register_notifiers - Register netdev notifiers.
  * @hdd_ctx: HDD context
@@ -3573,14 +3575,8 @@ static int hdd_register_notifiers(struct hdd_context *hdd_ctx)
 		goto unregister_inetaddr_notifier;
 	}
 
-	ret = hdd_wlan_register_pm_qos_notifier(hdd_ctx);
-	if (ret)
-		goto unregister_nud_notifier;
-
 	return 0;
 
-unregister_nud_notifier:
-	hdd_nud_unregister_netevent_notifier(hdd_ctx);
 unregister_inetaddr_notifier:
 	unregister_inetaddr_notifier(&hdd_ctx->ipv4_notifier);
 unregister_ip6_notifier:
@@ -3777,7 +3773,7 @@ int hdd_wlan_start_modules(struct hdd_context *hdd_ctx, bool reinit)
 		hdd_update_hw_sw_info(hdd_ctx);
 
 		if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
-			hdd_enable_power_management();
+			hdd_enable_power_management(hdd_ctx);
 			hdd_err("in ftm mode, no need to configure cds modules");
 			ret = -EINVAL;
 			break;
@@ -3789,7 +3785,7 @@ int hdd_wlan_start_modules(struct hdd_context *hdd_ctx, bool reinit)
 			goto destroy_driver_sysfs;
 		}
 
-		hdd_enable_power_management();
+		hdd_enable_power_management(hdd_ctx);
 
 		hdd_skip_acs_scan_timer_init(hdd_ctx);
 
@@ -8043,7 +8039,6 @@ void hdd_set_disconnect_status(struct hdd_adapter *adapter, bool status)
  */
 void hdd_unregister_notifiers(struct hdd_context *hdd_ctx)
 {
-	hdd_wlan_unregister_pm_qos_notifier(hdd_ctx);
 	hdd_nud_unregister_netevent_notifier(hdd_ctx);
 	hdd_wlan_unregister_ip6_notifier(hdd_ctx);
 
@@ -12760,15 +12755,19 @@ int hdd_wlan_stop_modules(struct hdd_context *hdd_ctx, bool ftm_mode)
 	case DRIVER_MODULES_ENABLED:
 		hdd_debug("Wlan transitioning (CLOSED <- ENABLED)");
 
-		if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE ||
-		    hdd_get_conparam() == QDF_GLOBAL_EPPING_MODE)
+		if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) {
+			hdd_disable_power_management(hdd_ctx);
+			break;
+		}
+
+		if (hdd_get_conparam() == QDF_GLOBAL_EPPING_MODE)
 			break;
 
 		wlan_hdd_deinit_tx_rx_histogram(hdd_ctx);
 
 		hdd_skip_acs_scan_timer_deinit(hdd_ctx);
 
-		hdd_disable_power_management();
+		hdd_disable_power_management(hdd_ctx);
 		if (hdd_deconfigure_cds(hdd_ctx)) {
 			hdd_err("Failed to de-configure CDS");
 			QDF_ASSERT(0);