linux-kernel - Re: [PATCH 0/3] Add MHI Endpoint network driver

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Message-ID: <15c88e23-9a7f-4a8f-8337-8ab9d2485a18@lunn.ch>
Date:   Wed, 7 Jun 2023 14:28:28 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     Loic Poulain <loic.poulain@...aro.org>, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Add MHI Endpoint network driver

> > Yes, so there is already a drivers/net/wwan directory for this, in
> > which there are drivers for control and data path, that together
> > represent a given 'wwan' (modem) entity. So the generic mhi_net could
> > be moved there, but the point is AFAIU, that MHI, despite his name, is
> > not (more) used only for modem, but as a generic memory sharing based
> > transport protocol, such as virtio. It would then not be necessarily
> > true that a peripheral exposing MHI net channel is actually a modem?
> > 
> 
> Agree, mhi_*_net drivers can be used by non-modem devices too as long as they
> support MHI protocol.

O.K. I was just trying to avoid cluttering up the directory. But if
this is shared code, not actual drivers, this is fine.

Are there more features yet to be implemented? Would it make sense to
create a mhi directory?

       Andrew