[Bug 211013] New: Cannot find ath3k bluetooth controller attached on USB

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=211013

            Bug ID: 211013
           Summary: Cannot find ath3k bluetooth controller attached on USB
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.10.x
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: cth451@gmail.com
        Regression: No

bluetoothctl (from bluez 5.55) cannot find the bluetooth controller on my
ar5b22 wireless adapter. However /sys/class/bluetooth/hci0 points to the
correct device. rfkill would toggle blocking/unblocking state without problem,
but bluez won't be able to find the controller regardless.

Steps to reproduce:

1. Boot up the system
2. Run 'bluetoothctl list'. This will print nothing on my system since this
ath3012 is the only bluetooth adapter present, but wasn't found.
3. I checked /sys/class/bluetooth/hci0, where the device file pointed to the
correct USB device number.

Dmesg excerpt:

[   11.830504] Bluetooth: Core ver 2.22
[   11.836192] Bluetooth: HCI device and connection manager initialized
[   11.838836] Bluetooth: HCI socket layer initialized
[   11.841382] Bluetooth: L2CAP socket layer initialized
[   11.843458] Bluetooth: SCO socket layer initialized
[   11.964674] Bluetooth: hci0: don't support firmware rome 0x11020000
[   16.815785] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   16.815787] Bluetooth: BNEP filters: protocol multicast
[   16.815794] Bluetooth: BNEP socket layer initialized

The specific piece of hardware from lsusb and lspci:

    Bus 001 Device 002: ID 13d3:3395 IMC Networks
    23:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network
Adapter (rev 01)

Notably this issue is not present on kernel 5.9.x and looks very similar to bug
ID 199271. A regression?

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