From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
Date: Fri, 1 Jul 2011 08:44:14 +0100
Subject: [PATCH 4/7] ARM: EXYNOS4: Support early wakeup while entering
	sleep mode
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On Fri, Jul 01, 2011 at 10:03:48AM +0900, Kukjin Kim wrote:
> Russell thanks.
> 
> How do you think to add following for handling failure of cpu_suspend?
> 
> +	mov	r0, #-1

No.  -1 is not an error code, and I refuse to create functions which
use an explicit -1 as a return code to indicate failure.

The code is designed so that the called finisher function can return
a valid errno value.