linux-kernel - Re: [PATCH] PM: Fix dependencies of CONFIG_SUSPEND and CONFIG

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Message-ID: <alpine.LFD.0.999.0708031459090.8184@woody.linux-foundation.org>
Date:	Fri, 3 Aug 2007 15:01:44 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@....cz>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Adrian Bunk <bunk@...sta.de>
Subject: Re: [PATCH] PM: Fix dependencies of CONFIG_SUSPEND and
 CONFIG_HIBERNATION



On Fri, 3 Aug 2007, Rafael J. Wysocki wrote:
>  	depends on PM
> -	depends on !SMP || SUSPEND_SMP_POSSIBLE
> +	depends on SUSPEND_SMP_POSSIBLE || ((BLACKFIN || MIPS || SUPERH || FRV \
> +		    || (PPC32 && PPC_MPC52xx)) && !SMP)

Please, do that as SUSPEND_UP_POSSIBLE, and make it look like

	config SUSPEND_UP_POSSIBLE
		depends on BLACKFIN || MIPS || SUPERH || FRV || ((PPC32 && PPC_MPC52xx)
		depends on !SMP
		default y

and now you can write the above thing as

	depends on SUSPEND_SMP_POSSIBLE || SUSPEND_UP_POSSIBLE

and it's all much nicer.

I would say that doing a similar setup for HIBERNATE would be nice too, 
but the SUSPEND case is more noticeable because the SMP case is so nice 
already.

		Linus
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