linux-kernel - Re: [PATCH v3 1/7] bus: mhi: core: Allow receiving a STOP channel command response

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Message-ID: <fbc578fa720b6f492d77c64efdb80e67@codeaurora.org>
Date:   Thu, 03 Dec 2020 17:43:42 -0800
From:   Bhaumik Bhatt <bbhatt@...eaurora.org>
To:     Hemant Kumar <hemantk@...eaurora.org>
Cc:     manivannan.sadhasivam@...aro.org, linux-arm-msm@...r.kernel.org,
        loic.poulain@...aro.org, jhugo@...eaurora.org,
        linux-kernel@...r.kernel.org, hemantk=codeaurora.org@...eaurora.org
Subject: Re: [PATCH v3 1/7] bus: mhi: core: Allow receiving a STOP channel
 command response

On 2020-12-02 04:15 PM, Hemant Kumar wrote:
> Hi Bhaumik,
> 
> On 12/2/20 3:40 PM, Bhaumik Bhatt wrote:
>> Add support to receive the response to a STOP channel command to the
> How about saying "Add support to send the STOP channel command ?
Addressed in v4.
>> MHI bus. If a client would like to STOP a channel instead of issuing
>> a RESET to it, this would provide support for it.
>> 
>> Signed-off-by: Bhaumik Bhatt <bbhatt@...eaurora.org>
>> ---
>>   drivers/bus/mhi/core/main.c | 5 +++++
>>   1 file changed, 5 insertions(+)
>> 
>> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
>> index 702c31b..a7bb8a7 100644
>> --- a/drivers/bus/mhi/core/main.c
>> +++ b/drivers/bus/mhi/core/main.c
>> @@ -1193,6 +1193,11 @@ int mhi_send_cmd(struct mhi_controller 
>> *mhi_cntrl,
>>   		cmd_tre->dword[0] = MHI_TRE_CMD_RESET_DWORD0;
>>   		cmd_tre->dword[1] = MHI_TRE_CMD_RESET_DWORD1(chan);
>>   		break;
>> +	case MHI_CMD_STOP_CHAN:
>> +		cmd_tre->ptr = MHI_TRE_CMD_STOP_PTR;
>> +		cmd_tre->dword[0] = MHI_TRE_CMD_STOP_DWORD0;
>> +		cmd_tre->dword[1] = MHI_TRE_CMD_STOP_DWORD1(chan);
>> +		break;
>>   	case MHI_CMD_START_CHAN:
>>   		cmd_tre->ptr = MHI_TRE_CMD_START_PTR;
>>   		cmd_tre->dword[0] = MHI_TRE_CMD_START_DWORD0;
>> 
> 
> Thanks,
> Hemant

Thanks,
Bhaumik
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