linux-kernel - Re: Making ARM multiplatform kernels DT-only?

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Message-ID: <CANqRtoRLmqLWfUYZRy8yuPWXybj0=RGxmYDEfuH+kqjT_009Jw@mail.gmail.com>
Date:	Thu, 3 May 2012 23:23:51 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linaro-dev@...ts.linaro.org,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	Deepak Saxena <dsaxena@...aro.org>,
	Tony Lindgren <tony@...mide.com>,
	Linus Walleij <linus.walleij@...aro.org>, shawn.guo@...aro.org,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Olof Johansson <olof@...om.net>,
	David Brown <davidb@...eaurora.org>,
	Nicolas Pitre <nico@...xnic.net>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Jason Cooper <jason@...edaemon.net>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: Re: Making ARM multiplatform kernels DT-only?

On Thu, May 3, 2012 at 11:18 PM, Russell King - ARM Linux
<linux@....linux.org.uk> wrote:
> On Thu, May 03, 2012 at 01:50:35PM +0000, Arnd Bergmann wrote:
>> My feeling is that we should just mandate DT booting for multiplatform
>> kernels, because it significantly reduces the combinatorial space
>> at compile time, avoids a lot of legacy board files that we cannot
>> test anyway, reduces the total kernel size and gives an incentive
>> for people to move forward to DT with their existing boards.
>
> On this point, I strongly object, especially as I'm one who uses the
> existing non-DT multiplatform support extensively.  It's really not
> a problem for what you're trying to achieve.

Perhaps not so surprisingly, but I'm with Russell on this one.

I'd like our work-in-progress DT support to coexist with all non-DT platforms.

Thanks,

/ magnus
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