From c23407ac96fec2ad2190208da74842308057d8eb Mon Sep 17 00:00:00 2001
From: Chenhui Zhao <chenhui.zhao@freescale.com>
Date: Wed, 22 Jan 2014 12:23:24 +0800
Subject: powerpc/suspend: disable irq by hardware when suspend

In 64-bit mode, kernel just clears the irq soft-enable flag
in struct paca_struct to disable external irqs. But, in
the case of suspend, irqs should be disabled by hardware.
Therefore, use hard_irq_disable() instead of local_irq_disable().

Change-Id: I743ec4971a9e1a9b5a3c2b463324588d48af65af
Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/10704
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Yang Li <LeoLi@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 4223c57..ea429ff 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -572,7 +572,7 @@ static void generic_suspend_disable_irqs(void)
 	 */
 
 	set_dec(DECREMENTER_MAX);
-	local_irq_disable();
+	hard_irq_disable();
 	set_dec(DECREMENTER_MAX);
 }
 
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