linux-kernel - [PATCH AUTOSEL 3.18 08/98] ARM: OMAP5 / DRA7: Fix HYP mode boot for thumb2 build

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Message-Id: <20181025141853.214051-8-sashal@kernel.org>
Date:   Thu, 25 Oct 2018 10:17:23 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Matthijs van Duin <matthijsvanduin@...il.com>,
        Tony Lindgren <tony@...mide.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 3.18 08/98] ARM: OMAP5 / DRA7: Fix HYP mode boot for thumb2 build

From: Matthijs van Duin <matthijsvanduin@...il.com>

[ Upstream commit 448c077eeb02240c430db2a2c3bf5285a4c65d66 ]

'adr' yields a data-pointer, not a function-pointer.

Fixes: 999f934de195 ("ARM: omap5/dra7xx: Enable booting secondary
CPU in HYP mode")
Signed-off-by: Matthijs van Duin <matthijsvanduin@...il.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/mach-omap2/omap-headsmp.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S
index 6d1dffca6c7b..748dde9fa4a5 100644
--- a/arch/arm/mach-omap2/omap-headsmp.S
+++ b/arch/arm/mach-omap2/omap-headsmp.S
@@ -17,6 +17,7 @@
 
 #include <linux/linkage.h>
 #include <linux/init.h>
+#include <asm/assembler.h>
 
 #include "omap44xx.h"
 
@@ -56,7 +57,7 @@ wait_2:	ldr	r2, =AUX_CORE_BOOT0_PA	@ read from AuxCoreBoot0
 	cmp	r0, r4
 	bne	wait_2
 	ldr	r12, =API_HYP_ENTRY
-	adr	r0, hyp_boot
+	badr	r0, hyp_boot
 	smc	#0
 hyp_boot:
 	b	secondary_startup
-- 
2.17.1