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
next prev parent 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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