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Subject: Re: [PATCH v2] Bluetooth: hci_qca: Fix qca6390 enable failure after
 warm reboot
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <1590760617-30285-1-git-send-email-zijuhu@codeaurora.org>
Date:   Fri, 29 May 2020 16:05:06 +0200
Cc:     Johan Hedberg <johan.hedberg@gmail.com>,
        open list <linux-kernel@vger.kernel.org>,
        "open list:BLUETOOTH DRIVERS" <linux-bluetooth@vger.kernel.org>,
        MSM <linux-arm-msm@vger.kernel.org>,
        Balakrishna Godavarthi <bgodavar@codeaurora.org>,
        Harish Bandi <c-hbandi@codeaurora.org>,
        Hemantg <hemantg@codeaurora.org>,
        Matthias Kaehlcke <mka@chromium.org>, rjliao@codeaurora.org
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To:     Zijun Hu <zijuhu@codeaurora.org>
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Hi Zijun,

> Warm reboot can not reset controller qca6390 due to
> lack of controllable power supply, so causes firmware
> download failure during enable.
> 
> Fixed by sending VSC EDL_SOC_RESET to reset qca6390
> within added device shutdown implementation.
> 
> Signed-off-by: Zijun Hu <zijuhu@codeaurora.org>
> Tested-by: Zijun Hu <zijuhu@codeaurora.org>
> ---
> Changes in v2:
> - rebase
> 
> drivers/bluetooth/hci_qca.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel