[Bug 221837] Bluetooth (RTL8852BU, 0bda:b853) never initializes. Opcode 0xfcf0

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221837

--- Comment #2 from Rohan (rohanasrani3@gmail.com) ---
Sorry, I forgot to mention that I originally faced this issue in kernel
7.0.0-28 with the the latest firmware. I then tried to jump onto different old
kernel versions to see if that might fix the issue. No help. I'm not sure if
Mint supports 7.1.6 yet as I cannot see it in Update Manager. I get the same
dmesg on the new updated kernel as well:
```
[    1.457364] usb 1-5: Product: Bluetooth Radio
[    2.820216] Bluetooth: Core ver 2.22
[    2.834484] NET: Registered PF_BLUETOOTH protocol family
[    2.834492] Bluetooth: HCI device and connection manager initialized
[    2.834506] Bluetooth: HCI socket layer initialized
[    2.834511] Bluetooth: L2CAP socket layer initialized
[    2.834525] Bluetooth: SCO socket layer initialized
[    2.943691] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000b
lmp_ver=0b lmp_subver=8852
[    2.946667] Bluetooth: hci0: RTL: rom_version status=0 version=3
[    2.949812] Bluetooth: hci0: RTL: btrtl_initialize: key id 0
[    2.949823] Bluetooth: hci0: RTL: loading rtl_bt/rtl8852bu_fw.bin
[    2.950664] Bluetooth: hci0: RTL: loading rtl_bt/rtl8852bu_config.bin
[    2.959682] Bluetooth: hci0: AOSP extensions version v0.96
[    2.959687] Bluetooth: hci0: AOSP quality report is not supported
[    4.661628] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.661634] Bluetooth: BNEP filters: protocol multicast
[    4.661639] Bluetooth: BNEP socket layer initialized
```
Is there anything else I can do?

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