402 	/* If controller is not scanning we are done. */  in hci_le_scan_restart_sync()
407 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_le_scan_restart_sync()
931 	 * scanning and non-connectable advertising.  in hci_update_random_address_sync()
2031 	/* If controller is not scanning we are done. */  in hci_scan_disable_sync()
2036 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_scan_disable_sync()
2042 		bt_dev_err(hdev, "Unable to disable scanning: %d", err);  in hci_scan_disable_sync()
2429 	/* Cannot disable addr resolution if scanning is enabled or  in hci_pause_addr_resolution()
2513 /* Device must not be scanning when updating the accept list.
2523  * Enable Scanning
2647 	 * - Interleaved scanning is not currently using the allowlist  in hci_update_accept_list_sync()
2743 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_start_scan_sync()
2764 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_passive_scan_sync()
2770 		bt_dev_err(hdev, "disable scanning failed: %d", err);  in hci_passive_scan_sync()
2775 	 * during passive scanning. Not using an non-resolvable address  in hci_passive_scan_sync()
2791 	 * happen before enabling scanning. The controller does  in hci_passive_scan_sync()
2792 	 * not allow accept list modification while scanning.  in hci_passive_scan_sync()
2835 /* This function controls the passive scanning based on hdev->pend_le_conns
2836  * list. If there are pending LE connection we start the background scanning,
2841  * Disable Scanning -> Update Accept List ->
2844  * Enable Scanning
2848  * Disable Scanning
2862 	/* No point in doing scanning if LE support hasn't been enabled */  in hci_update_passive_scan_sync()
2870 	/* Reset RSSI and UUID filters when starting background scanning  in hci_update_passive_scan_sync()
2889 		 * background scanning.  in hci_update_passive_scan_sync()
2892 		bt_dev_dbg(hdev, "stopping background scanning");  in hci_update_passive_scan_sync()
2896 			bt_dev_err(hdev, "stop background scanning failed: %d",  in hci_update_passive_scan_sync()
2903 		/* If controller is connecting, we should not start scanning  in hci_update_passive_scan_sync()
2910 		bt_dev_dbg(hdev, "start background scanning");  in hci_update_passive_scan_sync()
2914 			bt_dev_err(hdev, "start background scanning failed: %d",  in hci_update_passive_scan_sync()
5257 	/* Return reason if scanning since the connection shall probably be  in hci_le_connect_cancel_sync()
5420 	 * or in case of LE it was still scanning so it can be cleanup  in hci_abort_conn_sync()
5665 	/* If controller is scanning, it means the passive scanning is  in hci_active_scan_sync()
5667 	 * discovery scanning parameters.  in hci_active_scan_sync()
5671 		bt_dev_err(hdev, "Unable to disable scanning: %d", err);  in hci_active_scan_sync()
5696 		 * advertisement for one peer(*) during active scanning, and  in hci_active_scan_sync()
5704 		 * it is common to have active scanning for a short period of  in hci_active_scan_sync()
5721 	/* Resume passive scanning */  in hci_active_scan_sync()
5750 		/* When running simultaneous discovery, the LE scanning time  in hci_start_discovery_sync()
5752 		 * and LE scanning are scheduled by the controller.  in hci_start_discovery_sync()
5755 		 * and LE scanning are done sequentially with separate  in hci_start_discovery_sync()
5788 	 * restarting scanning during the discovery phase.  in hci_start_discovery_sync()
5839 	bool scanning = test_bit(HCI_PSCAN, &hdev->flags);  in hci_update_event_filter_sync()  local
5871 	if (scan && !scanning)  in hci_update_event_filter_sync()
5873 	else if (!scan && scanning)  in hci_update_event_filter_sync()
5898  * Pause discovery (active scanning/inquiry)
5900  * Pause Scanning (passive scanning in case discovery was not active)
5906  * Update passive scanning (lower duty cycle)
5929 	/* Prevent disconnects from causing scanning to be re-enabled */  in hci_suspend_sync()
5956 	/* Unpause to take care of updating scanning params */  in hci_suspend_sync()
6015 	/* Reset passive scanning to normal */  in hci_resume_scan_sync()
6025  * Update passive scanning (normal duty cycle)
6027  * Resume discovery (active scanning/inquiry)
6043 	/* Resume scanning */  in hci_resume_sync()
6254 		/* If we're active scanning and simultaneous roles is not  in hci_le_create_conn_sync()
6288 	/* If controller is scanning, we stop it since some controllers are  in hci_le_create_conn_sync()