netdev - Re: [PATCH net-next v3 1/1] net: wwan: t7xx: Add AP CLDMA

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Message-ID: <CAHNKnsTq+-_sgPsuqG1ohqVVwJfU-Gq_QJ7kQO8gwyLbQHKwiA@mail.gmail.com>
Date:   Wed, 13 Jul 2022 23:39:12 +0300
From:   Sergey Ryazanov <ryazanov.s.a@...il.com>
To:     Moises Veleta <moises.veleta@...ux.intel.com>
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...emloft.net>,
        Johannes Berg <johannes@...solutions.net>,
        Loic Poulain <loic.poulain@...aro.org>,
        M Chetan Kumar <m.chetan.kumar@...el.com>,
        "Devegowda, Chandrashekar" <chandrashekar.devegowda@...el.com>,
        Intel Corporation <linuxwwan@...el.com>,
        chiranjeevi.rapolu@...ux.intel.com,
        Haijun Liu (刘海军) 
        <haijun.liu@...iatek.com>,
        Ricardo Martinez <ricardo.martinez@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Sharma, Dinesh" <dinesh.sharma@...el.com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        ram.mohan.reddy.boggala@...el.com,
        "Veleta, Moises" <moises.veleta@...el.com>,
        Madhusmita Sahu <madhusmita.sahu@...el.com>
Subject: Re: [PATCH net-next v3 1/1] net: wwan: t7xx: Add AP CLDMA

Hello Moises,

On Wed, Jul 13, 2022 at 8:07 PM Moises Veleta
<moises.veleta@...ux.intel.com> wrote:
> From: Haijun Liu <haijun.liu@...iatek.com>
>
> The t7xx device contains two Cross Layer DMA (CLDMA) interfaces to
> communicate with AP and Modem processors respectively. So far only
> MD-CLDMA was being used, this patch enables AP-CLDMA.

What is the purpose of adding the driver interface to the hardware
function without a user counterpart?

-- 
Sergey