Re: Atheros 1525/QCA6174 BT issue

From: Marcel Holtmann
Date: Thu Mar 08 2018 - 04:07:01 EST


Hi Takashi,

> we've got a but report about the broken Atheros BT on the recent
> kernels:
> http://bugzilla.opensuse.org/show_bug.cgi?id=1082504
>
> In short, btusb can't load the patch ar3k/AthrBT_0x00000200.dfu, and
> this could be worked around by the patch to move 0cf3:3004 blacklist
> entry to use BTUSB_QCA_ROM instead of BTUSB_ATH3012.
>
> And this looks like a long-standing problem, at least for over two
> years. Many web pages suggest the same patch, but it's never merged
> to upstream.
>
> So this made me wonder what's going on. I see that the BTUSB_ATH3012
> quirk was originally introduced just for this chip id (0cf3:3004).
> Is it a different variant from the original chip that causes a
> problem?

not all patches from distro kernel are sent upstream. I have not heard of this specific issues, but happy to accept patches to get it fixed.

Regards

Marcel