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

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Message-ID: <CAHNKnsQ348NEdrCh4HbxeFUWc6PfLsRzPvkobPAmr5GnU5wNew@mail.gmail.com>
Date:   Thu, 14 Jul 2022 00:36:18 +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

On Thu, Jul 14, 2022 at 12:14 AM moises.veleta
<moises.veleta@...ux.intel.com> wrote:
> On 7/13/22 14:03, Sergey Ryazanov wrote:
>> On Wed, Jul 13, 2022 at 11:53 PM moises.veleta
>> <moises.veleta@...ux.intel.com> wrote:
>>> Hi Sergey
>>>
>>> On 7/13/22 13:39, Sergey Ryazanov wrote:
>>>> 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?
>>>>
>>> We have follow-on features/submissiona that are dependent on this AP
>>> control port: PCIe rescan,  FW flashing via devlink, & Coredump log
>>> collection. They will be submitted for review upon completion by
>>> different individuals. This foreruns their efforts.
>> Thanks for the explanation. Is it possible to send these parts as a
>> single series? If not all at once, then at least AP-CLDMA + FW
>> flashing or AP-CLDMA + logs collection or some other provider + user
>> composition. What do you think?
>>
> I believe this is possible. I will share this information with them and
> see how we can package them into a series. Since, it appears this patch
> has been reviewed well by the community, it should not be hindrance for
> their later submissions. Thanks for guidance and feedback.

Sounds like a good plan. I will wait for the series with new
functionality. Thank you for continuing to develop the driver!

-- 
Sergey