WCN7850 doesn't work on Linux kernel 6.8-rc3

[Kalle Valo]

Dave Jones <s.dave.jones at gmail.com> writes:

> Hello,
>
> I tried to test a wcn8750-based wifi adapter under Linux kernel 6.8-rc3,
> it's not working. dmesg below:
>
> ath12k_pci 0000:02:00.0: BAR 0 [mem 0x90400000-0x905fffff 64bit]: assigned
> ath12k_pci 0000:02:00.0: MSI vectors: 1
> ath12k_pci 0000:02:00.0: Hardware name: wcn7850 hw2.0
> ath12k_pci 0000:02:00.0: qmi dma allocation failed (7077888 B type 1), will try
> later with small size
> ath12k_pci 0000:02:00.0: chip_id 0x2 chip_family 0x4 board_id 0xff soc_id 0x4017
> 0200
> ath12k_pci 0000:02:00.0: fw_version 0x100301e1 fw_build_timestamp 2023-12-06 04:
> 05 fw_build_id
> QC_IMAGE_VERSION_STRING=WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> ath12k_pci 0000:02:00.0: qmi failed to load regdb bin:
> ath12k_pci 0000:02:00.0: qmi failed to load regdb file:-2
>
> Should I need regdb.bin? If so, where can I get that file? Thanks.

regdb.bin is for developer testing, end users shouldn't use that file.

Can you try ath.git master branch:

https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/log/

We have some patches in the pipeline which didn't sadly make it to v6.8.

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