linux-kernel - Re: [PATCH] wifi: brcmfmac: use random seed flag for BCM4355 and BCM4364 firmware

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Message-ID: <87tt9tjrei.fsf@kernel.org>
Date: Mon, 20 Jan 2025 20:01:41 +0200
From: Kalle Valo <kvalo@...nel.org>
To: Arend Van Spriel <arend.vanspriel@...adcom.com>
Cc: Aditya Garg <gargaditya08@...e.com>,  Arend van Spriel
 <aspriel@...il.com>,  Hector Martin <marcan@...can.st>,  Janne Grunau
 <j@...nau.net>,  Orlando Chamberlain <orlandoch.dev@...il.com>,
  <stable@...r.kernel.org>,  <linux-wireless@...r.kernel.org>,
  <brcm80211@...ts.linux.dev>,  <brcm80211-dev-list.pdl@...adcom.com>,
  <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] wifi: brcmfmac: use random seed flag for BCM4355 and
 BCM4364 firmware

Arend Van Spriel <arend.vanspriel@...adcom.com> writes:

> On January 20, 2025 5:50:56 PM Aditya Garg <gargaditya08@...e.com> wrote:
>
>> From: Aditya Garg <gargaditya08@...e.com>
>>
>> Before 6.13, random seed to the firmware was given based on the logic
>> whether the device had valid OTP or not, and such devices were found
>> mainly on the T2 and Apple Silicon Macs. In 6.13, the logic was changed,
>> and the device table was used for this purpose, so as to cover the special
>> case of BCM43752 chip.
>>
>> During the transition, the device table for BCM4364 and BCM4355 Wi-Fi chips
>> which had valid OTP was not modified, thus breaking Wi-Fi on these devices.
>> This patch adds does the necessary changes, similar to the ones done for
>> other chips.
>>
>> Fixes: ea11a89c3ac6 ("wifi: brcmfmac: add flag for random seed
>> during firmware download")
>> Cc: stable@...r.kernel.org
>
> Acked-by: Arend van Spriel  <arend.vanspriel@...adcom.com>

I'll queue this to wireless tree for v6.14.

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