linux-kernel - Re: [PATCH] fix 5.15 init regression for Intel Bluetooth

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Date:   Sat, 8 Jan 2022 02:08:55 +0000
From:   "An, Tedd" <tedd.an@...el.com>
To:     "ortwin.glueck@...object.ch" <ortwin.glueck@...object.ch>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fix 5.15 init regression for Intel Bluetooth

Hi Ortwin,

On Mon, 2021-12-27 at 11:26 +0100, Ortwin Glück wrote:
> 
> Hi
> 
> On all 5.15 kernels the Intel Bluetooth no longer works. All was fine in 5.14.
> Apparently the quirk is needed for this device.
> 
> vanilla 5.15.5:
>     Bluetooth: hci0: Reading Intel version command failed (-110)
>     Bluetooth: hci0: command tx timeout
> 
> with patch:
>     Bluetooth: hci0: Legacy ROM 2.5 revision 1.0 build 3 week 17 2014
>     Bluetooth: hci0: Intel device is already patched. patch num: 32
> 
> Please apply to stable too.
> 
> Thanks
> 
> Ortwin

The fix for this issue is in bluetooth-next and will be merged to mainline soon.
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=95655456e7cee858a23793f67025765b4c4c227b

Regards,
Tedd