linux-kernel - Re: [PATCH v1] Bluetooth: hci_qca: Fix qca6390 enable failure after warm reboot

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Message-Id: <6C68EF2F-7DEC-4CA4-A0E8-8C775B3CF62B@holtmann.org>
Date:   Fri, 29 May 2020 13:45:21 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Zijun Hu <zijuhu@...eaurora.org>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, bgodavar@...eaurora.org,
        c-hbandi@...eaurora.org, hemantg@...eaurora.org, mka@...omium.org,
        rjliao@...eaurora.org
Subject: Re: [PATCH v1] Bluetooth: hci_qca: Fix qca6390 enable failure after
 warm reboot

Hi Zijun,

> On May 29, 2020, at 04:29, Zijun Hu <zijuhu@...eaurora.org> wrote:
> 
> 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>
> ---
> drivers/bluetooth/hci_qca.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)

patch does not apply to bluetooth-next tree, please rebase.

Regards

Marcel