Comment 288 for bug 1667750

Still present on:
$ uname -r
5.8.5-arch1-1

device connected to USB3 port:
[15005.134111] usb 1-2: new high-speed USB device number 13 using xhci_hcd
[15005.311803] usb 1-2: New USB device found, idVendor=148f, idProduct=5370, bcdDevice= 1.01
[15005.311807] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[15005.311810] usb 1-2: Product: 802.11 n WLAN
[15005.311812] usb 1-2: Manufacturer: Ralink
[15005.311814] usb 1-2: SerialNumber: 1.0
[15005.602591] usb 1-2: reset high-speed USB device number 13 using xhci_hcd
[15005.834856] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected
[15006.513400] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 5370 detected
[15006.519415] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[15006.520103] usbcore: registered new interface driver rt2800usb
[15006.532103] rt2800usb 1-2:1.0 wlp3s0f0u2: renamed from wlan0
...
[15062.425086] Bluetooth: Core ver 2.22
[15062.425100] NET: Registered protocol family 31
[15062.425101] Bluetooth: HCI device and connection manager initialized
[15062.425103] Bluetooth: HCI socket layer initialized
[15062.425105] Bluetooth: L2CAP socket layer initialized
[15062.425107] Bluetooth: SCO socket layer initialized
[15068.677302] xhci_hcd 0000:03:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.

Any ideas, why HCI device and connection manager initialized?
The device doesn't have BT:
$ lsusb
Bus 001 Device 013: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter

device connected to USB2 port:
[15317.960151] usb 5-1.1.2: new high-speed USB device number 6 using xhci_hcd
[15318.186487] usb 5-1.1.2: New USB device found, idVendor=148f, idProduct=5370, bcdDevice= 1.01
[15318.186492] usb 5-1.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[15318.186495] usb 5-1.1.2: Product: 802.11 n WLAN
[15318.186497] usb 5-1.1.2: Manufacturer: Ralink
[15318.186498] usb 5-1.1.2: SerialNumber: 1.0
[15318.376954] usb 5-1.1.2: reset high-speed USB device number 6 using xhci_hcd
[15318.593739] ieee80211 phy1: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected
[15318.603488] ieee80211 phy1: rt2x00_set_rf: Info - RF chipset 5370 detected
[15318.603596] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[15318.626103] rt2800usb 5-1.1.2:1.0 wlp39s0f3u1u1u2: renamed from wlan0
...
[15336.958194] ieee80211 phy1: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[15336.958238] ieee80211 phy1: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.36

everything is fine!