Re: [PATCH v3 1/2] Bluetooth: btusb: Indicate Microsoft vendor extension for Intel 9460/9560 and 9160/9260

[Miao-chen Chou]

On Thu, Mar 26, 2020 at 1:16 AM Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> On Thu, 2020-03-26 at 00:59 -0700, Miao-chen Chou wrote:
> > This adds a bit mask of driver_info for Microsoft vendor extension and
> > indicates the support for Intel 9460/9560 and 9160/9260. See
> > https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/
> > microsoft-defined-bluetooth-hci-commands-and-events for more information
> > about the extension. This was verified with Intel ThunderPeak BT controller
> > where msft_vnd_ext_opcode is 0xFC1E.
> []
> > diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> []
> > @@ -414,6 +414,8 @@ struct hci_dev {
> >       void                    *smp_data;
> >       void                    *smp_bredr_data;
> >
> > +     void                    *msft_ext;
>
> Why should this be a void * and not a msft_vnd_ext * ?
The intention is to hide msft_vnd_ext from the driver.