QCN9074 load board data file failed

[Doug Brewer]

On Thu, Oct 16, 2025 at 5:37 PM Vasanthakumar Thiagarajan wrote:
>
>
>
> On 10/14/2025 7:42 AM, Doug Brewer wrote:
> > Hello,
> >
> > I’m currently running Linux kernel 6.17.2 on arm64 and testing the QCN9074,
> > but it fails to start up.
>
> Was this working for you before with an older kernel?


Yes, it worked with kernel 6.6.

> > It seems the issue is related to loading
> > the board data:
> >
> > ath11k_pci 0001:11:00.0: BAR 0 [mem 0xf2400000-0xf25fffff 64bit]: assigned
> > ath11k_pci 0001:11:00.0: enabling device (0000 -> 0002)
> > ath11k_pci 0001:11:00.0: MSI vectors: 16
> > ath11k_pci 0001:11:00.0: qcn9074 hw1.0
> > ath11k_pci 0001:11:00.0: chip_id 0x0 chip_family 0x0 board_id 0xff
> > soc_id 0xffffffff
> > ath11k_pci 0001:11:00.0: fw_version 0x2403072e fw_build_timestamp
> > 2021-06-06 23:27 fw_build_id
> > ath11k_pci 0001:11:00.0: qmi failed to load CAL data
> > file:cal-pci-0001:11:00.0.bin
>
> It seems the calibration data is not found in the file system as well.
> Since calibration data will be specific to the hardware module, you
> may want to check with the system/device manufacturer.

Because Kernel 6.6 works, I suspect that ath11k has changed its mechanism
for QCN9074, which now requires calibration data.
If so, where can I obtain this file?  Thanks.

> Vasanth

Regards,
Doug