From: Jeffrey Hugo <jhugo@codeaurora.org>
To: Greg KH <gregkh@linuxfoundation.org>,
Hemant Kumar <hemantk@codeaurora.org>
Cc: manivannan.sadhasivam@linaro.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, bbhatt@codeaurora.org,
loic.poulain@linaro.org, netdev@vger.kernel.org
Subject: Re: [PATCH v16 4/4] bus: mhi: Add userspace client interface driver
Date: Thu, 10 Dec 2020 08:01:59 -0700 [thread overview]
Message-ID: <1ce7fc1a-7794-6815-ab4c-0721f0422564@codeaurora.org> (raw)
In-Reply-To: <X9HifqAntBUBV0Ce@kroah.com>
On 12/10/2020 1:55 AM, Greg KH wrote:
> On Wed, Dec 09, 2020 at 11:21:25PM -0800, Hemant Kumar wrote:
>> This MHI client driver allows userspace clients to transfer
>> raw data between MHI device and host using standard file operations.
>> Driver instantiates UCI device object which is associated to device
>> file node. UCI device object instantiates UCI channel object when device
>> file node is opened. UCI channel object is used to manage MHI channels
>> by calling MHI core APIs for read and write operations. MHI channels
>> are started as part of device open(). MHI channels remain in start
>> state until last release() is called on UCI device file node. Device
>> file node is created with format
>>
>> /dev/<mhi_device_name>
>>
>> Currently it supports QMI channel.
>>
>> Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
>> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
>> Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
>> Tested-by: Loic Poulain <loic.poulain@linaro.org>
>> ---
>
> Can you provide a pointer to the open-source userspace program that will
> be talking to this new kernel driver please? That should be part of the
> changelog here.
Its listed in the documentation file (patch 3 in the series). I'm
guessing you still want it in the change log though, so Hemant should
probably take care of that.
--
Jeffrey Hugo
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.
prev parent reply other threads:[~2020-12-10 15:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-10 7:21 [PATCH v16 0/4] userspace MHI " Hemant Kumar
2020-12-10 7:21 ` [PATCH v16 1/4] bus: mhi: core: Add helper API to return number of free TREs Hemant Kumar
2020-12-10 7:21 ` [PATCH v16 2/4] bus: mhi: core: Move MHI_MAX_MTU to external header file Hemant Kumar
2020-12-10 7:21 ` [PATCH v16 3/4] docs: Add documentation for userspace client interface Hemant Kumar
2020-12-10 7:21 ` [PATCH v16 4/4] bus: mhi: Add userspace client interface driver Hemant Kumar
2020-12-10 8:55 ` Greg KH
2020-12-10 15:01 ` Jeffrey Hugo [this message]
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