RE: [PATCH v2] Bluetooth: btusb: Add WCN6855 devcoredump support

From: Tim Jiang (QUIC)
Date: Tue Apr 18 2023 - 05:08:15 EST


Hi Dmitry:

-----Original Message-----
From: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Sent: Tuesday, April 18, 2023 5:03 PM
To: Tim Jiang (QUIC) <quic_tjiang@xxxxxxxxxxx>
Cc: marcel@xxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-bluetooth@xxxxxxxxxxxxxxx; linux-arm-msm@xxxxxxxxxxxxxxx; Balakrishna Godavarthi (QUIC) <quic_bgodavar@xxxxxxxxxxx>; Hemant Gupta (QUIC) <quic_hemantg@xxxxxxxxxxx>; mka@xxxxxxxxxxxx
Subject: Re: [PATCH v2] Bluetooth: btusb: Add WCN6855 devcoredump support

On Tue, 18 Apr 2023 at 04:02, Tim Jiang (QUIC) <quic_tjiang@xxxxxxxxxxx> wrote:
>
> Hi Dmitry:
>
> -----Original Message-----
> From: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Sent: Saturday, April 15, 2023 5:03 AM
> To: Tim Jiang (QUIC) <quic_tjiang@xxxxxxxxxxx>
> Cc: marcel@xxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-bluetooth@xxxxxxxxxxxxxxx; linux-arm-msm@xxxxxxxxxxxxxxx;
> Balakrishna Godavarthi (QUIC) <quic_bgodavar@xxxxxxxxxxx>; Hemant
> Gupta (QUIC) <quic_hemantg@xxxxxxxxxxx>; mka@xxxxxxxxxxxx
> Subject: Re: [PATCH v2] Bluetooth: btusb: Add WCN6855 devcoredump
> support
>
> On Thu, 13 Apr 2023 at 09:44, Tim Jiang <quic_tjiang@xxxxxxxxxxx> wrote:
> >
> > WCN6855 will report memdump via ACL data or HCI event when it get
> > crashed, so we collect memdump to debug firmware.
>
> Is it applicable only to wcn6855 or to some of earlier chips too?
> [Tim] Also applicable to earlier chips , but currently google only
> require us to support wcn6855

Since upstream is not a google kernel, please enable this feature for all relevant chipsets.
[Tim] agreed , but the title of this gerrit unchanged, I raise a new gerrit for other relevant chipsets , is OK?

>
> >
> > Signed-off-by: Tim Jiang <quic_tjiang@xxxxxxxxxxx>
> > ---
> > drivers/bluetooth/btusb.c | 222
> > ++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 222 insertions(+)




--
With best wishes
Dmitry