[Bug 215187] btintel: AX201: missing firmware ibt-19-16-0.sfi

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215187

--- Comment #3 from Takahide Nojima (nozzy123nozzy@gmail.com) ---
Hi Kiran,

  I removed the whole /lib/firmware directory and put 22.80 to  /lib/firmware.
I  booted again with 5.16-rc3.

 As a result, the kernel loaded "iwlwifi-Quiz-a0-hr-b0-63.ucode", but the
kernel tried to load a different version of Bluetooth firmware than before. The
kernel became to load "intel/ibt-19-16-0.sfi". Before this test, whenever the
kernel loaded "iwlwifi-Quiz-a0-hr-b0-63.ucode", it try loading
intel/ibt-19-0-4.sfi. I will dmesg of this time test as below.
-----here--------------
ernel: iwlwifi 0000:00:14.3: firmware: failed to load
iwlwifi-QuZ-a0-hr-b0-67.ucode (-2)
kernel: iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-hr-b0-67.ucode failed with error -2
kernel: iwlwifi 0000:00:14.3: firmware: failed to load
iwlwifi-QuZ-a0-hr-b0-66.ucode (-2)
kernel: iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-hr-b0-66.ucode failed with error -2
kernel: iwlwifi 0000:00:14.3: firmware: failed to load
iwlwifi-QuZ-a0-hr-b0-65.ucode (-2)
kernel: iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-hr-b0-65.ucode failed with error -2
kernel: iwlwifi 0000:00:14.3: firmware: failed to load
iwlwifi-QuZ-a0-hr-b0-64.ucode (-2)
kernel: iwlwifi 0000:00:14.3: Direct firmware load for
iwlwifi-QuZ-a0-hr-b0-64.ucode failed with error -2
kernel: iwlwifi 0000:00:14.3: firmware: direct-loading firmware
iwlwifi-QuZ-a0-hr-b0-63.ucode
kernel: iwlwifi 0000:00:14.3: api flags index 2 larger than supported by driver
kernel: iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 89.3.35.37
kernel: iwlwifi 0000:00:14.3: loaded firmware version 63.c04f3485.0
QuZ-a0-hr-b0-63.ucode op_mode iwlmvm
kernel: iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
kernel: Bluetooth: Core ver 2.22
kernel: NET: Registered PF_BLUETOOTH protocol family
kernel: Bluetooth: HCI device and connection manager initialized
kernel: Bluetooth: HCI socket layer initialized
kernel: Bluetooth: L2CAP socket layer initialized
kernel: Bluetooth: SCO socket layer initialized
kernel: iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz, REV=0x354
kernel: bluetooth hci0: firmware: failed to load intel/ibt-19-16-0.sfi (-2)
-------------here--------------------

As written above, the kernel still failed to load intel/ibt-19-16-0.sfi because
the 22.80 firmware tree doesn't have it.

　I guess basically  the 5.16-rc3 with "iwlwifi-Quiz-a0-hr-b0-63.ucode" supposes
to load "intel/ibt-19-16-4.sfi"? The 22.80 firmware includes it. In other
words, does the "ver->fw_revision" in "btintel.c" supposes to be 4 after the
kernel with "iwlwifi-Quiz-a0-hr-b0-63.ucode" sends 0xfc05 to AX201?

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