linux-kernel - Re: [PATCH] ARM: Push selects for TWD/SCU into machine entries

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Message-ID: <1349698556.4322.18.camel@hornet>
Date:	Mon, 08 Oct 2012 13:15:56 +0100
From:	Pawel Moll <pawel.moll@....com>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Brown <davidb@...eaurora.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Russell King <linux@....linux.org.uk>,
	Sascha Hauer <kernel@...gutronix.de>,
	Shiraz Hashim <shiraz.hashim@...com>,
	Simon Horman <horms@...ge.net.au>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Tony Lindgren <tony@...mide.com>,
	Viresh Kumar <viresh.linux@...il.com>
Subject: Re: [PATCH] ARM: Push selects for TWD/SCU into machine entries

On Thu, 2012-10-04 at 09:50 +0100, Stephen Boyd wrote:
> The TWD and SCU configs are selected by default as long as
> SCORPIONMP is false and/or MCT is false. Implementing the logic
> this way certainly saves lines in the Kconfig but it precludes
> those machines which select SCORPIONMP or MCT from participating
> in the single zImage effort because when those machines are
> combined with other SMP capable machines the TWD and SCU are no
> longer selected.
> 
> Push the select out to the machine entries so that we can compile
> these machines together and still select the appropriate configs.
[...]
> diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
> index c952960..4f8e0db 100644
> --- a/arch/arm/mach-vexpress/Kconfig
> +++ b/arch/arm/mach-vexpress/Kconfig
> @@ -11,6 +11,8 @@ config ARCH_VEXPRESS
>  	select HAVE_CLK
>  	select HAVE_PATA_PLATFORM
>  	select HAVE_SMP
> +	select HAVE_ARM_SCU if SMP
> +	select HAVE_ARM_TWD if LOCAL_TIMERS
>  	select ICST
>  	select MIGHT_HAVE_CACHE_L2X0
>  	select NO_IOPORT

If you move these two lines before HAVE_CLK so everything stays in
alphabetical order ;-) you can add my Acked-by for vexpress:

Acked-by: Pawel Moll <pawel.moll@....com>

Thanks!

Pawel


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