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From:   bugzilla-daemon@bugzilla.kernel.org
To:     linux-bluetooth@vger.kernel.org
Subject: [Bug 210681] kernel: Bluetooth: hci0: don't support firmware rome
 0x31010000
Date:   Sat, 13 Feb 2021 07:08:34 +0000
Message-ID: <bug-210681-62941-GsvpF2d3iM@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=3D210681

--- Comment #31 from Salvatore Bonaccorso (carnil@debian.org) ---
Hi=20

On Tue, Dec 29, 2020 at 10:50:10AM +0000, bugzilla-daemon@bugzilla.kernel.o=
rg
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=3D210681
>=20
> Bradley Jarvis (brad@pocketinnovations.com.au) changed:
>=20
>            What    |Removed                     |Added
> -------------------------------------------------------------------------=
---
>                  CC|                            |brad@pocketinnovations.c=
om.
>                    |                            |au
>=20
> --- Comment #10 from Bradley Jarvis (brad@pocketinnovations.com.au) ---
> Created attachment 294393
>   --> https://bugzilla.kernel.org/attachment.cgi?id=3D294393&action=3Dedit
> fix hci0: don't support firmware rome error
>=20
> Avoid returning error code when bluetooth version match is not made from
> qca_devices_table and version high is set.
>=20
> This reverts an error check that was removed to support WCN6855 which does
> have
> the high version set. The fix is to move the check after the table is sca=
nned
> and no version match is made.
>=20
> This fix will still produce the error message for example (for ATK3K
> 13d3:3402
> IMC Networks Bluetooth USB Host Controller)
>=20
> Bluetooth: hci0: don't support firmware rome 0x1020200
>=20
> But the bluetooth hardware still works as it used to

Several people have reported that since b40f58b97386 ("Bluetooth:
btusb: Add Qualcomm Bluetooth SoC WCN6855 support") they have issues
with their Bluetooth adapter stopping working. It was reported at
bugzilla[1].

Bradley Jarvis posted/attached a patch which seems to resolve the
issue, Moreno has added an alternative patch.

 [1] https://bugzilla.kernel.org/show_bug.cgi?id=3D210681

But there is another report at

 [2] https://bugzilla.kernel.org/show_bug.cgi?id=3D211571

and that last one was applied to bluetooth-next tree according to
https://lore.kernel.org/linux-bluetooth/CA2C8796-11CA-4E6F-A603-AE764516C85=
0@holtmann.org/

Regards,
Salvatore

--=20
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