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

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Message-ID: <7ef3637f-3d49-ab17-fba1-6d29ac6c069a@codeaurora.org>
Date:   Fri, 29 May 2020 21:58:11 +0800
From:   Zijun Hu <zijuhu@...eaurora.org>
To:     Marcel Holtmann <marcel@...tmann.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



On 5/29/2020 7:45 PM, Marcel Holtmann wrote:
> 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.
> 
rebased at v2
> Regards
> 
> Marcel
>