863 	 * scanning and non-connectable advertising.  in hci_update_random_address_sync()
1963 	/* If controller is not scanning we are done. */  in hci_scan_disable_sync()
1968 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_scan_disable_sync()
1974 		bt_dev_err(hdev, "Unable to disable scanning: %d", err);  in hci_scan_disable_sync()
2364 	/* Cannot disable addr resolution if scanning is enabled or  in hci_pause_addr_resolution()
2448 /* Device must not be scanning when updating the accept list.
2458  * Enable Scanning
2582 	 * - Interleaved scanning is not currently using the allowlist  in hci_update_accept_list_sync()
2678 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_start_scan_sync()
2699 		bt_dev_dbg(hdev, "Scanning is paused for suspend");  in hci_passive_scan_sync()
2705 		bt_dev_err(hdev, "disable scanning failed: %d", err);  in hci_passive_scan_sync()
2710 	 * during passive scanning. Not using an non-resolvable address  in hci_passive_scan_sync()
2726 	 * happen before enabling scanning. The controller does  in hci_passive_scan_sync()
2727 	 * not allow accept list modification while scanning.  in hci_passive_scan_sync()
2770 /* This function controls the passive scanning based on hdev->pend_le_conns
2771  * list. If there are pending LE connection we start the background scanning,
2776  * Disable Scanning -> Update Accept List ->
2779  * Enable Scanning
2783  * Disable Scanning
2797 	/* No point in doing scanning if LE support hasn't been enabled */  in hci_update_passive_scan_sync()
2805 	/* Reset RSSI and UUID filters when starting background scanning  in hci_update_passive_scan_sync()
2824 		 * background scanning.  in hci_update_passive_scan_sync()
2827 		bt_dev_dbg(hdev, "stopping background scanning");  in hci_update_passive_scan_sync()
2831 			bt_dev_err(hdev, "stop background scanning failed: %d",  in hci_update_passive_scan_sync()
2838 		/* If controller is connecting, we should not start scanning  in hci_update_passive_scan_sync()
2845 		bt_dev_dbg(hdev, "start background scanning");  in hci_update_passive_scan_sync()
2849 			bt_dev_err(hdev, "start background scanning failed: %d",  in hci_update_passive_scan_sync()
5203 	/* Return reason if scanning since the connection shall probably be  in hci_le_connect_cancel_sync()
5351 	 * or in case of LE it was still scanning so it can be cleanup  in hci_abort_conn_sync()
5596 	/* If controller is scanning, it means the passive scanning is  in hci_active_scan_sync()
5598 	 * discovery scanning parameters.  in hci_active_scan_sync()
5602 		bt_dev_err(hdev, "Unable to disable scanning: %d", err);  in hci_active_scan_sync()
5629 		 * advertisement for one peer(*) during active scanning, and  in hci_active_scan_sync()
5651 	/* Resume passive scanning */  in hci_active_scan_sync()
5680 		/* When running simultaneous discovery, the LE scanning time  in hci_start_discovery_sync()
5682 		 * and LE scanning are scheduled by the controller.  in hci_start_discovery_sync()
5685 		 * and LE scanning are done sequentially with separate  in hci_start_discovery_sync()
5758 	bool scanning = test_bit(HCI_PSCAN, &hdev->flags);  in hci_update_event_filter_sync()  local
5790 	if (scan && !scanning)  in hci_update_event_filter_sync()
5792 	else if (!scan && scanning)  in hci_update_event_filter_sync()
5817  * Pause discovery (active scanning/inquiry)
5819  * Pause Scanning (passive scanning in case discovery was not active)
5825  * Update passive scanning (lower duty cycle)
5848 	/* Prevent disconnects from causing scanning to be re-enabled */  in hci_suspend_sync()
5875 	/* Unpause to take care of updating scanning params */  in hci_suspend_sync()
5934 	/* Reset passive scanning to normal */  in hci_resume_scan_sync()
5944  * Update passive scanning (normal duty cycle)
5946  * Resume discovery (active scanning/inquiry)
5962 	/* Resume scanning */  in hci_resume_sync()
6173 		/* If we're active scanning and simultaneous roles is not  in hci_le_create_conn_sync()
6207 	/* If controller is scanning, we stop it since some controllers are  in hci_le_create_conn_sync()