linux-kernel - Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver

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Date:   Fri, 24 Apr 2020 18:11:46 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com, frankc@...dia.com,
        hverkuil@...all.nl, sakari.ailus@....fi, helen.koike@...labora.com
Cc:     sboyd@...nel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver

24.04.2020 06:55, Sowjanya Komatineni пишет:
> Tegra210 contains a powerful Video Input (VI) hardware controller
> which can support up to 6 MIPI CSI camera sensors.
> 
> Each Tegra CSI port can be one-to-one mapped to VI channel and can
> capture from an external camera sensor connected to CSI or from
> built-in test pattern generator.
> 
> Tegra210 supports built-in test pattern generator from CSI to VI.
> 
> This patch adds a v4l2 capture driver with media interface for
> Tegra210 built-in CSI to VI test pattern generator.
> 
> This patch includes TPG support only and all the video pipeline
> configuration happens through the video device node.
> 
> Acked-by: Thierry Reding <treding@...dia.com>
> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
> ---
>  drivers/staging/media/Kconfig          |    2 +
>  drivers/staging/media/Makefile         |    1 +
>  drivers/staging/media/tegra/Kconfig    |   12 +
>  drivers/staging/media/tegra/Makefile   |    8 +
>  drivers/staging/media/tegra/TODO       |   10 +
>  drivers/staging/media/tegra/common.h   |  259 ++++++++
>  drivers/staging/media/tegra/csi.c      |  604 +++++++++++++++++
>  drivers/staging/media/tegra/csi.h      |  144 ++++
>  drivers/staging/media/tegra/tegra210.c |  708 ++++++++++++++++++++
>  drivers/staging/media/tegra/tegra210.h |  190 ++++++
>  drivers/staging/media/tegra/vi.c       | 1127 ++++++++++++++++++++++++++++++++
>  drivers/staging/media/tegra/vi.h       |   72 ++
>  drivers/staging/media/tegra/video.c    |  153 +++++
>  drivers/staging/media/tegra/video.h    |   29 +

The media/tegra/ sounds a bit too generic, the media/tegra-vi/ path
should better reflect the driver, IMO.

It also should be better to name the compiled kernel module as tegra-vi,
IMO.