Re: [RFC PATCH v1] Bluetooth: hci_qca: Collect controller memory dump during SSR

From: Marcel Holtmann
Date: Sat Jan 04 2020 - 04:48:05 EST


Hi Balakrishna,

> We will collect the ramdump of BT controller when hardware error event
> received before rebooting the HCI layer. Before restarting a subsystem
> or a process running on a subsystem, it is often required to request
> either a subsystem or a process to perform proper cache dump and
> software failure reason into a memory buffer which application
> processor can retrieve afterwards. SW developers can often provide
> initial investigation by looking into that debugging information.
>
> Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
> Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@xxxxxxxxxxxxxx>
> ---
> drivers/bluetooth/hci_qca.c | 296 +++++++++++++++++++++++++++++++++++-
> 1 file changed, 291 insertions(+), 5 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel