linux-kernel - Re: [PATCH v2] Bluetooth: hci_qca: Fix qca6390 enable failure after warm reboot

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Message-Id: <DA6EBE57-64EB-4814-9065-2171341F5651@holtmann.org>
Date:   Fri, 29 May 2020 16:05:06 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Zijun Hu <zijuhu@...eaurora.org>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:BLUETOOTH DRIVERS" <linux-bluetooth@...r.kernel.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        Balakrishna Godavarthi <bgodavar@...eaurora.org>,
        Harish Bandi <c-hbandi@...eaurora.org>,
        Hemantg <hemantg@...eaurora.org>,
        Matthias Kaehlcke <mka@...omium.org>, rjliao@...eaurora.org
Subject: Re: [PATCH v2] Bluetooth: hci_qca: Fix qca6390 enable failure after
 warm reboot

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@...eaurora.org>
> Tested-by: Zijun Hu <zijuhu@...eaurora.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