From: Balakrishna Godavarthi <bgodavar@codeaurora.org>
To: marcel@holtmann.org, johan.hedberg@gmail.com, mka@chromium.org
Cc: linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org,
rtatiya@codeaurora.org, hemantg@codeaurora.org,
c-hbandi@codeaurora.org, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v1 0/1] Enable subsystem restart for Qualcomm bluetooth chip wcn3990.
Date: Mon, 09 Jul 2018 22:27:18 +0530 [thread overview]
Message-ID: <813ada2b431a86d4d4e59ac2dfb845b8@codeaurora.org> (raw)
In-Reply-To: <20180709161657.26609-1-bgodavar@codeaurora.org>
Forgot to add this patch is on top of
Following patches. Which are under review
https://patchwork.kernel.org/patch/10510029/
https://patchwork.kernel.org/patch/10510031/
https://patchwork.kernel.org/patch/10510037/
https://patchwork.kernel.org/patch/10510045/
https://patchwork.kernel.org/patch/10510033/
https://patchwork.kernel.org/patch/10510051/
https://patchwork.kernel.org/patch/10510047/
On 2018-07-09 21:46, Balakrishna Godavarthi wrote:
> In many platforms Bluetooth chip wcn3990 is a discrete chip connected
> via UART lines to app processor. if the chip goes into bad state
> i.e. into hard fault exception routine, which will not further respond
> to any commands from HOST via UART. In that case wcn3390 will intimate
> HOST by generating hardware error. Host stack will initiate a close
> and reopen of the hci driver. Prior to sending hard ware error, wcn3990
> has a capability of sending the RAM dump i.e. memory dump of the BT
> chip.
> this will help us to fix stability issues of the SoC. We at QCA driver
> read the dump packets and store via devcoredump().
> We perform restart after collecting the ram dump of the SoC.
>
>
> Harish Bandi (1):
> Bluetooth: hci_qca: Sub system restart support for WCN3990
>
> drivers/bluetooth/btqca.h | 8 ++
> drivers/bluetooth/hci_qca.c | 261 ++++++++++++++++++++++++++++++++++++
> 2 files changed, 269 insertions(+)
--
Regards
Balakrishna.
prev parent reply other threads:[~2018-07-09 16:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 16:16 [PATCH v1 0/1] Enable subsystem restart for Qualcomm bluetooth chip wcn3990 Balakrishna Godavarthi
2018-07-09 16:16 ` [PATCH v1 1/1] Bluetooth: hci_qca: Sub system restart support for WCN3990 Balakrishna Godavarthi
2018-07-09 16:57 ` Balakrishna Godavarthi [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=813ada2b431a86d4d4e59ac2dfb845b8@codeaurora.org \
--to=bgodavar@codeaurora.org \
--cc=c-hbandi@codeaurora.org \
--cc=hemantg@codeaurora.org \
--cc=johan.hedberg@gmail.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-bluetooth@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marcel@holtmann.org \
--cc=mka@chromium.org \
--cc=rtatiya@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.