Re: [REGRESSION] Wi-Fi broken on Apple MacBook Pro with BCM4364 Chip starting from kernel 6.13

[Aditya Garg]

So it turned out the changes in the following commit broke wifi only on T2 Macs with BCM4364 and BCM4355 chips.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/wireless/broadcom/brcm80211/brcmfmac?h=v6.13&id=ea11a89c3ac64ada9d8b7f7de279cb6385ed194f

I’ve sent a patch with the fix here:

https://lore.kernel.org/linux-wireless/47E43F07-E11D-478C-86D4-23627154AC7C@xxxxxxxx/T/#u



> On 20 Jan 2025, at 5:26 PM, Aditya Garg <gargaditya08@xxxxxxxx> wrote:
> 
> Starting from kernel 6.13, the wifi adapter is no longer recognised on kernel 6.13. Judging from the logs, it seems that the firmware is no longer being recognised.
> 
> Some logs that might be useful:
> 
> Kernel config:
> 
> https://gist.githubusercontent.com/AdityaGarg8/4ade19da205266a2a8042fbfc078f75e/raw/bb4aa010daa8cff03e4a2202a8f23480cf168b77/config-6.13.0-1-t2-noble
> 
> journalctl -k :
> 
> https://gist.githubusercontent.com/AdityaGarg8/4ade19da205266a2a8042fbfc078f75e/raw/bb4aa010daa8cff03e4a2202a8f23480cf168b77/journalctl
> 
> ls /lib/firmware/brcm:
> 
> https://gist.githubusercontent.com/AdityaGarg8/4ade19da205266a2a8042fbfc078f75e/raw/bb4aa010daa8cff03e4a2202a8f23480cf168b77/firmware
> 
> 
> I assume the Asahi Linux folks also have the issue.
> 
> Let me know if some other information is needed
> 
> Thanks
> Aditya