Re: [PATCH] Bluetooth: msft: add a bluetooth parameter, msft_enable

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On Thu, Aug 12, 2021 at 1:29 PM Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote:
>
> Hi Koba,
>
> > With Intel AC9560, follow this scenario and can't turn on bt since.
> > 1. turn off BT
> > 2. then suspend&resume multiple times
> > 3. turn on BT
> >
> > Get this error message after turn on bt.
> > [ 877.194032] Bluetooth: hci0: urb 0000000061b9a002 failed to resubmit (113)
> > [ 886.941327] Bluetooth: hci0: Failed to read MSFT supported features (-110)
> >
> > Remove msft from compilation would be helpful.
> > Turn off msft would be also helpful.
> >
> > Because msft is enabled as default and can't turn off without
> > compliation,
> > Introduce a bluetooth parameter, msft_enable, to control.
> >
> > Signed-off-by: Koba Ko <koba.ko@xxxxxxxxxxxxx>
> > ---
> > include/net/bluetooth/hci_core.h |  1 +
> > net/bluetooth/hci_core.c         | 16 ++++++++++++++++
> > net/bluetooth/msft.c             | 30 +++++++++++++++++++++++++++++-
> > 3 files changed, 46 insertions(+), 1 deletion(-)
>
> NAK.
>
> This is for the Intel guys to figure out. Otherwise I am going to disable MSFT extension for AC9560 completely. What is your hw_variant for that hardware?
Would you please guide to dump hw_variant? thanks
>
> Regards
>
> Marcel
>



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