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Date: Mon, 12 May 2025 15:56:36 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: "Geoffrey D. Bennett" <g@b4.vu>
Cc: stable@vger.kernel.org, Marcel Holtmann <marcel@holtmann.org>,
	Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	Luiz Augusto von Dentz <luiz.von.dentz@intel.com>,
	Hao Qin <hao.qin@mediatek.com>, linux-bluetooth@vger.kernel.org,
	Sean Wang <sean.wang@mediatek.com>,
	Chris Lu <chris.lu@mediatek.com>, linux-sound@vger.kernel.org,
	Benedikt Ziemons <ben@rs485.network>, pmenzel@molgen.mpg.de,
	tiwai@suse.de, geraldogabriel@gmail.com,
	regressions@lists.linux.dev
Subject: Re: [STABLE 6.12/6.14] Bluetooth MediaTek controller reset fixes
Message-ID: <2025051222-obnoxious-blurred-cbcc@gregkh>
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 <Z+XN2a3141NpZKcb@m.b4.vu>
 <aBxdpIabalg073AU@m.b4.vu>
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In-Reply-To: <aBxdpIabalg073AU@m.b4.vu>

On Thu, May 08, 2025 at 05:00:44PM +0930, Geoffrey D. Bennett wrote:
> Hi stable@vger.kernel.org,
> 
> Could you please apply:
> 
> 1. Commit a7208610761ae ("Bluetooth: btmtk: Remove resetting mt7921
> before downloading the fw") to v6.12.x (it's already in
> v6.14).
> 
> 2. Commit 33634e2ab7c6 ("Bluetooth: btmtk: Remove the resetting step
> before downloading the fw") to v6.12.x and v6.14.x.
> 
> These fixes address an issue with some audio interfaces failing to
> initialise during boot on kernels 6.11+. As noted in my original
> analysis below, the MediaTek Bluetooth controller reset increases the
> device setup time from ~200ms to ~20s and can interfere with other USB
> devices on the bus.

Now queued up, thanks.

greg k-h