Re: [PATCH v4 3/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 sensor interface

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Hi, Julien:

On Wed, 2024-01-10 at 15:14 +0100, Julien Stephan wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  From: Louis Kuo <louis.kuo@xxxxxxxxxxxx>
> 
> This will add the mediatek ISP3.0 seninf (sensor interface) driver
> found
> on several Mediatek SoCs such as the mt8365.
> 
> Then seninf module has 4 physical CSI-2 inputs. Depending on the soc
> they
> may not be all connected.
> 
> Signed-off-by: Louis Kuo <louis.kuo@xxxxxxxxxxxx>
> Signed-off-by: Phi-bang Nguyen <pnguyen@xxxxxxxxxxxx>
> Signed-off-by: Florian Sylvestre <fsylvestre@xxxxxxxxxxxx>
> Co-developed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Co-developed-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> Signed-off-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> ---
>  MAINTAINERS                                   |    1 +
>  drivers/media/platform/mediatek/Kconfig       |    1 +
>  drivers/media/platform/mediatek/Makefile      |    1 +
>  drivers/media/platform/mediatek/isp/Kconfig   |    2 +
>  drivers/media/platform/mediatek/isp/Makefile  |    3 +
>  .../platform/mediatek/isp/isp_30/Kconfig      |   16 +
>  .../platform/mediatek/isp/isp_30/Makefile     |    3 +
>  .../mediatek/isp/isp_30/seninf/Makefile       |    5 +
>  .../mediatek/isp/isp_30/seninf/mtk_seninf.c   | 1488 
> +++++++++++++++++
>  .../isp/isp_30/seninf/mtk_seninf_reg.h        |  112 ++
>  

I think you could put mtk_seninf.c and mtk_seninf_reg.h in
drivers/media/platform/mediatek/isp. The seninf driver has only two
files, so it's not necessary to create a folder 'seninf' for only two
files. And for isp_30, we have no any information how many difference
with other isp_xx, for example isp_40, if seninf driver in isp_30 and
in isp_40 has only 10% difference, it's not necessary to duplicate the
90% common code in different folder. So initially, just place the
seninf driver in mediatek/isp folder. When other SoC seninf driver
upstream, we would have enough information to decide to generate new
file or new folder for new SoC.

Regards,
CK





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