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

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Message-ID: <B606F666-4A6F-44D9-B956-0B3E88E286E9@live.com>
Date: Mon, 20 Jan 2025 11:56:38 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: Arend van Spriel <arend.vanspriel@...adcom.com>, "kvalo@...nel.org"
	<kvalo@...nel.org>, Hector Martin <marcan@...can.st>, "j@...nau.net"
	<j@...nau.net>
CC: "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, Orlando
 Chamberlain <orlandoch.dev@...il.com>, "brcm80211@...ts.linux.dev"
	<brcm80211@...ts.linux.dev>, "brcm80211-dev-list.pdl@...adcom.com"
	<brcm80211-dev-list.pdl@...adcom.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: [REGRESSION] Wi-Fi broken on Apple MacBook Pro with BCM4364 Chip
 starting from kernel 6.13

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