From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roel Kluin <12o3l@tiscali.nl>
Subject: hp6xx: Test APM_DISABLED bit or definition in hp6x0_apm_interrupt()?
Date: Fri, 28 Mar 2008 00:35:13 +0100
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from arch/sh/boards/hp6xx/hp6xx_apm.c:78

static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev)
{
	if (!APM_DISABLED)
		apm_queue_event(APM_USER_SUSPEND);

	return IRQ_HANDLED;
}

shouldn't that be something like

if (!(apm_info.bios.flags & APM_DISABLED))

considering that APM_DISABLED is defined in include/linux/apm_bios.h:153: 
#define APM_DISABLED            0x01