linux-next-2020-12-04: Failed to send firmware data (-38) with AX210

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With an AX210 card I get "Failed to send firmware data (-38)" on linux-next
from Dec 4th in case of a cold-boot after power-cycle.

"hk: bt code = 0x001f" is a private debug message to check which BT code
is mapped to ENOSYS (-38). From what I found 0x1f is "Unspecified error".

The second attempt to load the firmware is successful then.


[    4.192718] Bluetooth: Core ver 2.22
[    4.192756] Bluetooth: Starting self testing
[    4.192785] Bluetooth: Finished self testing
[    4.192937] Bluetooth: HCI device and connection manager initialized
[    4.193067] Bluetooth: HCI socket layer initialized
[    4.193108] Bluetooth: L2CAP socket layer initialized
[    4.193195] Bluetooth: SCO socket layer initialized
[    4.242342] Bluetooth: hci0: Device revision is 0
[    4.242435] Bluetooth: hci0: Secure boot is enabled
[    4.242495] Bluetooth: hci0: OTP lock is enabled
[    4.242533] Bluetooth: hci0: API lock is enabled
[    4.242570] Bluetooth: hci0: Debug lock is disabled
[    4.242609] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    4.242657] Bluetooth: hci0: Bootloader timestamp 2019.40 buildtype 1 build 38
[    4.261977] Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
[    4.855813] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.855873] Bluetooth: BNEP socket layer initialized
[    5.819388] Bluetooth: hk: bt code = 0x001f
[    5.819438] Bluetooth: hci0: Failed to send firmware data (-38)
[    5.820069] Bluetooth: hci0: Intel reset sent to retry FW download
[    6.362248] Bluetooth: hci0: Device revision is 0
[    6.362384] Bluetooth: hci0: Secure boot is enabled
[    6.362439] Bluetooth: hci0: OTP lock is enabled
[    6.362551] Bluetooth: hci0: API lock is enabled
[    6.362605] Bluetooth: hci0: Debug lock is disabled
[    6.362660] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    6.362726] Bluetooth: hci0: Bootloader timestamp 2019.40 buildtype 1 build 38
[    6.364508] Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
[    9.020540] Bluetooth: hci0: Waiting for firmware download to complete
[    9.021443] Bluetooth: hci0: Firmware loaded in 2599136 usecs
[    9.022778] Bluetooth: hci0: Waiting for device to boot
[    9.050099] Bluetooth: hci0: Device booted in 27723 usecs
[    9.052633] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-0041-0041.ddc
[    9.055224] Bluetooth: hci0: Applying Intel DDC parameters completed
[    9.060184] Bluetooth: hci0: Firmware timestamp 2020.42 buildtype 1 build 15791




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