From 6258d51aab8d398c03b15c5ce4c9eeca6f168ed4 Mon Sep 17 00:00:00 2001
From: Peter De Schrijver <pdeschrijver@nvidia.com>
Date: Thu, 14 Feb 2013 12:41:59 +0200
Subject: ARM: tegra: add "memory" to clobber list

The inline asm needs "memory" in its clobber list to prevent gcc from caching
the mcr read too agressively.

Bug 1207116

Change-Id: Ia93e8115b9bd8bf0539e7b7d55ffeda2efc0e7e6
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-on: http://git-master/r/200751
Reviewed-by: Antti Miettinen <amiettinen@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
---
 arch/arm/mach-tegra/pm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch/arm')

diff --git a/arch/arm/mach-tegra/pm.h b/arch/arm/mach-tegra/pm.h
index bffefa3be6e5..fafcf967c6c8 100644
--- a/arch/arm/mach-tegra/pm.h
+++ b/arch/arm/mach-tegra/pm.h
@@ -159,7 +159,7 @@ static inline unsigned int is_lp_cluster(void)
 	    "ubfx	%0, %0, #8, #4"
 	    : "=r" (reg)
 	    :
-	    : "cc");
+	    : "cc","memory");
 	return reg ; /* 0 == G, 1 == LP*/
 #endif
 }
-- 
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