linux-kernel - Re: [PATCH 0/3] kbuild: Add wilddt function instead of listing dtbs

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Date:   Fri, 25 Jan 2019 01:03:46 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Leonard Crestez <leonard.crestez@....com>
Cc:     Olof Johansson <olof@...om.net>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Fabio Estevam <fabio.estevam@....com>,
        Mark Rutland <mark.rutland@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        Leo Li <leoyang.li@....com>,
        "linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] kbuild: Add wilddt function instead of listing dtbs

On Tue, Jan 22, 2019 at 1:17 AM Leonard Crestez <leonard.crestez@....com> wrote:
>
> On 1/7/2019 9:31 PM, Leonard Crestez wrote:
> > The dts makefiles go through a lot of pointless churn when boards are
> > added. Many SOCs (such as imx) have very simple naming conventions for
> > all boards using a certain chip and board listings can be easily
> > collapsed using wildcards.
> >
> > Add a "wilddt" function and use it for imx6/7/8 and layerscape. This can
> > be applied to many other soc families later.
> >
> > Previously sent as RFC: https://lore.kernel.org/patchwork/patch/1022737/
>
> Any feedback? This should be reviewed by kbuild and arm-soc
>
> I think this is a worthwhile cleanup, are there any corner cases or more
> exotic setup I should try in order to validate this series?



Personally, I prefer explicit listing
because I can browse the Makefile to get a quick idea
of which boards are compiled.

I like this to be consistent.


 - Exploit wildcard for all platforms

    or

- Do not do this at all


But, I am pessimistic about the former
when I look at AT91 platform.


-- 
Best Regards
Masahiro Yamada