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Message-ID: <20170719063349.m5yg4n2radkvy74r@sapphire.tkos.co.il>
Date: Wed, 19 Jul 2017 09:33:49 +0300
From: Baruch Siach <baruch@...s.co.il>
To: Yong <yong.deng@...ewell.com>
Cc: mchehab@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
maxime.ripard@...e-electrons.com, wens@...e.org,
hans.verkuil@...co.com, peter.griffin@...aro.org,
hugues.fruchet@...com, krzk@...nel.org, bparrot@...com,
arnd@...db.de, jean-christophe.trotin@...com,
benjamin.gaignard@...aro.org, tiffany.lin@...iatek.com,
kamil@...as.org, kieran+renesas@...uared.org.uk,
andrew-ct.chen@...iatek.com, linux-media@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 2/2] dt-bindings: add binding documentation for
Allwinner CSI
Hi Yong,
On Wed, Jul 19, 2017 at 02:21:20PM +0800, Yong wrote:
> On Wed, 19 Jul 2017 07:49:23 +0300
> Baruch Siach <baruch@...s.co.il> wrote:
> > On Wed, Jul 19, 2017 at 09:22:49AM +0800, Yong wrote:
> > > I am waiting for more comments for the sunxi-csi.h. It's pleasure if
> > > you have any suggestions about it.
> >
> > You mean sunxi_csi.h, right?
>
> Yes. My spelling mistake.
>
> > Why do you need the sunxi_csi_ops indirection? Do you expect to add
> > alternative implementations of these ops at some point?
>
> I want to seperate the sunxi_video.c and sunxi_csi_v3s.c.
> sunxi_csi_v3s.c is Soc specific. Maybe there will be sunxi_csi_r40.c
> in the futrue. But the sunxi_video.c and sunxi_csi.c are common.
I'd say it is a premature optimization. The file separation is fine, IMO, but
the added csi_ops indirection makes the code less readable. Someone with
access to R40 hardware with CSI setup would be a better position to abstract
the platform specific code.
But I'd defer to the media maintainers on that.
Thanks,
baruch
--
http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch@...s.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
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