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Date:   Thu, 3 Dec 2020 18:31:48 -0800
From:   Hemant Kumar <>
To:     Jeffrey Hugo <>,,
Subject: Re: [PATCH v15 4/4] bus: mhi: Add userspace client interface driver

On 12/3/20 3:45 PM, Jeffrey Hugo wrote:
> On 12/3/2020 3:45 PM, 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 <>
>> Reviewed-by: Manivannan Sadhasivam <>
>> Reviewed-by: Jeffrey Hugo <>
> You dropped Loic's tested by.  Was that a mistake, or did something 
> actually change which would invalidate his testing?
Thanks for pointing this out, it was my bad. Re-sending the patch.
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