Multiple Qualcomm Hamilton cards on same host - none working

[Jeff Johnson]

On 2/28/2024 11:21 PM, david Atkins wrote:
> Hi,
> 
> Update on this, with an Intel CPU the first NIC is found but the second fails so slightly different behaviour, I'll update bug registered with logs

FYI on Linux Kernel mailing lists it is preferred to either have
interleaved or bottom-posted responses.
<https://docs.kernel.org/process/submitting-patches.html#use-trimmed-interleaved-replies-in-email-discussions>

> 
> I note there was a patch with a comment:
> 
> " * support having multiple identical PCI devices (firmware needs to
>   have ATH12K_FW_FEATURE_MULTI_QRTR_ID) "
> 
> would this address the issue? and is the updated firmware available?

New firmware would be required. Kalle and I are actively working with
the firmware team to get updated firmware posted publicly.

> In discussion with Qualcomm this week I think understood from them that the ath12k driver will not support Wi-Fi 7 in its current form, is this correct?

The current driver has support for some of the WiFi 7 features but the
major addition, multi-link operation, is not currently available.