linux-kernel - Re: [PATCH v5 5/9] bus: mhi: core: Add support to stop or start channel data transfers

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Message-ID: <20210121145018.GC5473@work>
Date:   Thu, 21 Jan 2021 20:20:18 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bhaumik Bhatt <bbhatt@...eaurora.org>
Cc:     linux-arm-msm@...r.kernel.org, hemantk@...eaurora.org,
        jhugo@...eaurora.org, linux-kernel@...r.kernel.org,
        loic.poulain@...aro.org
Subject: Re: [PATCH v5 5/9] bus: mhi: core: Add support to stop or start
 channel data transfers

On Fri, Jan 08, 2021 at 12:54:53PM -0800, Bhaumik Bhatt wrote:
> Some MHI client drivers may want to request a pause or halt of
> data transfer activity on their channels. Support for this does
> not exist and must be introduced, wherein the channel context is
> not reset or cleared but only the STOP channel command is issued.
> This would need to be paired with an API that allows resuming the
> data transfer activity on channels by use of the START channel
> command. This API assumes that the context information is already
> setup. Enable this using two new APIs, mhi_start_transfer() and
> mhi_stop_transfer().
> 

Do you have any user for these APIs? If not then please post it when one
is available.

Thanks,
Mani