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

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Date:   Wed, 30 Jan 2019 13:16:52 +0000
From:   Leonard Crestez <leonard.crestez@....com>
To:     "olof@...om.net" <olof@...om.net>,
        "yamada.masahiro@...ionext.com" <yamada.masahiro@...ionext.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
CC:     Aisheng Dong <aisheng.dong@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Leo Li <leoyang.li@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        "michal.lkml@...kovi.net" <michal.lkml@...kovi.net>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 0/3] kbuild: Add wilddt function instead of listing dtbs

On Fri, 2019-01-25 at 01:03 +0900, Masahiro Yamada wrote:
> 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.
> > 
> > Any feedback? This should be reviewed by kbuild and arm-soc
> 
> Personally, I prefer explicit listing
> because I can browse the Makefile to get a quick idea
> of which boards are compiled.

Or you can just ls soc-*.dts?

> I like this to be consistent.
> - Exploit wildcard for all platforms
> - Do not do this at all
> 
> But, I am pessimistic about the former
> when I look at AT91 platform.

I can try to resend in a form that uses a wildcard for most platforms
but skips those with very few SOCs or confusing conventions (like
at91).

--
Regards,
Leonard