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From: Hemant Kumar <hemantk@codeaurora.org>
To: Bhaumik Bhatt <bbhatt@codeaurora.org>, manivannan.sadhasivam@linaro.org
Cc: linux-arm-msm@vger.kernel.org, loic.poulain@linaro.org,
	jhugo@codeaurora.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/7] bus: mhi: core: Allow receiving a STOP channel command response
Date: Wed, 2 Dec 2020 16:15:42 -0800	[thread overview]
Message-ID: <6668b99c-a1a7-920a-4a7e-e2cb2729baee@codeaurora.org> (raw)
In-Reply-To: <1606952438-15321-2-git-send-email-bbhatt@codeaurora.org>

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 ?
> 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@codeaurora.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
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

  reply	other threads:[~2020-12-03  0:16 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-02 23:40 [PATCH v3 0/7] Updates to MHI channel handling Bhaumik Bhatt
2020-12-02 23:40 ` [PATCH v3 1/7] bus: mhi: core: Allow receiving a STOP channel command response Bhaumik Bhatt
2020-12-03  0:15   ` Hemant Kumar [this message]
2020-12-04  1:43     ` Bhaumik Bhatt
2020-12-02 23:40 ` [PATCH v3 2/7] bus: mhi: core: Allow channel to be disabled from stopped state Bhaumik Bhatt
2020-12-03  0:17   ` Hemant Kumar
2020-12-02 23:40 ` [PATCH v3 3/7] bus: mhi: core: Improvements to the channel handling state machine Bhaumik Bhatt
2020-12-03  0:51   ` Hemant Kumar
2020-12-02 23:40 ` [PATCH v3 4/7] bus: mhi: core: Add support to stop or start channel data transfers Bhaumik Bhatt
2020-12-03  0:33   ` Hemant Kumar
2020-12-04  1:44     ` Bhaumik Bhatt
2020-12-02 23:40 ` [PATCH v3 5/7] bus: mhi: core: Check execution environment for channel before issuing reset Bhaumik Bhatt
2020-12-03  0:54   ` Hemant Kumar
2020-12-02 23:40 ` [PATCH v3 6/7] bus: mhi: core: Remove __ prefix for MHI channel unprepare function Bhaumik Bhatt
2020-12-02 23:48   ` Hemant Kumar
2020-12-02 23:40 ` [PATCH v3 7/7] bus: mhi: Improve documentation on channel transfer setup APIs Bhaumik Bhatt
2020-12-03  0:56   ` Hemant Kumar

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