linux-kernel - [PATCH] ARM: EXYNOS: add __cpuinit annotation to write_pen

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Date:	Wed, 22 May 2013 16:20:24 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Kukjin Kim' <kgene.kim@...sung.com>
Cc:	linux-samsung-soc@...r.kernel.org,
	Jingoo Han <jg1.han@...sung.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: EXYNOS: add __cpuinit annotation to write_pen_release()

The variable __cpuinitdata pen_release is referenced by write_pen_release().
Also, write_pen_release() is called by exynos_secondary_init() which is
annotated with __cpuinit. Thus, __cpuinit should be added write_pen_release()
to fix section mismatch warning.

Fixed section mismatch warning as below:

  WARNING: vmlinux.o(.text.unlikely+0x1f4): Section mismatch in reference from the function write_pen_release() to the variable
.cpuinit.data:pen_release
  The function write_pen_release() references the variable __cpuinitdata pen_release.
  This is often because write_pen_release lacks a __cpuinitdata annotation or the annotation of pen_release is wrong.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 arch/arm/mach-exynos/platsmp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index a0e8ff7..9676af2 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -58,7 +58,7 @@ static inline void __iomem *cpu_boot_reg(int cpu)
  * observers, irrespective of whether they're taking part in coherency
  * or not.  This is necessary for the hotplug code to work reliably.
  */
-static void write_pen_release(int val)
+static void __cpuinit write_pen_release(int val)
 {
 	pen_release = val;
 	smp_wmb();
-- 
1.7.10.4

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