[Bug 214287] New: Bluetooth firmware rtl8671bu_fw.bin fails to load

https://bugzilla.kernel.org/show_bug.cgi?id=214287

            Bug ID: 214287
           Summary: Bluetooth firmware rtl8671bu_fw.bin fails to load
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.14
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: tadej.obrstar@gmail.com
        Regression: No

After upgrading to newest kernel, firmware for the usb bluetooth fails to load.

dmesg:
[    3.457128] usb 1-5.4: Product: Bluetooth Radio
[    3.467018] Bluetooth: hci0: RTL: examining hci_ver=0a hci_rev=000b
lmp_ver=0a lmp_subver=8761
[    3.467995] Bluetooth: hci0: RTL: rom_version status=0 version=1
[    3.467997] Bluetooth: hci0: RTL: loading rtl_bt/rtl8761bu_fw.bin
[    3.468355] bluetooth hci0: Direct firmware load for rtl_bt/rtl8761bu_fw.bin
failed with error -2
[    3.468356] Bluetooth: hci0: RTL: firmware file rtl_bt/rtl8761bu_fw.bin not
found

lsusb:
Bus 001 Device 009: ID 0bda:2550 Realtek Semiconductor Corp. Bluetooth Radio.

The firmware is built into the kernel (with a few others). It loaded
successfuly in kernel 5.13. The other firmware files (intel microcode, amd
poalris) still loads fine. Config file and firmware path hasn't changed from
previous version.

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