linux-kernel - Re: [RFC PATCH] ARM: at91: remove no-MMU at91x40 support

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Message-ID: <3874734.x93Q9kHIES@wuerfel>
Date:	Wed, 24 Sep 2014 17:09:14 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	linux-arm-kernel@...ts.infradead.org,
	u.kleine-koenig@...gutronix.de, gerg@...inux.org,
	Olof Johansson <olof@...om.net>,
	ARM Maintainers <arm@...nel.org>, linux-kernel@...r.kernel.org,
	Patrice Vilchez <patrice.vilchez@...el.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
Subject: Re: [RFC PATCH] ARM: at91: remove no-MMU at91x40 support

On Wednesday 24 September 2014 17:03:11 Nicolas Ferre wrote:
> > I think these can be simplified further: AT91_SAM9G45_RESET and
> > AT91_SAM9_ALT_RESET can just go away and the files put into
> > obj-y.
> 
> Yes, I had the same idea before realizing that these two directives will
> move away in a patch already sent for 3.18. So, as this material is
> probably 3.19-ish, I kept them as they are and keep in mind to remove
> them when I merge them with 3.18-rc1...

Ok.

> > OLD_CLK_AT91 is the same as AT91_USE_OLD_CLK, so you could
> > just use that instead. I suspect the 'USE_OF' dependency for
> > COMMON_CLK_AT91 can also go away, since all platforms are
> > either board file based and select AT91_USE_OLD_CLK, or they
> > are DT based and don't.
> 
> Here also, I didn't want to touch more because we need to remove the
> arch/arm/mach-at91/Kconfig.non_dt file very soon (3.19) and I don't want
> to change this file (or all the SoC files) before the chunks related to
> these directives simply go away.
> 
> Tell me if it makes sense.

Yes, I agree your approach is better then.

	Arnd
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