linux-kernel - [ 49/52] ARM: mxs: stub out mxs_pm_init for !CONFIG

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Date:	Wed,  2 Oct 2013 21:06:07 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Shawn Guo <shawn.guo@...aro.org>
Subject: [ 49/52] ARM: mxs: stub out mxs_pm_init for !CONFIG_PM

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.de>

commit 7a9caf59f60e55a8caf96f856713bd0ef0cc25a7 upstream.

When building a kernel without CONFIG_PM, we get a link
error from referencing mxs_pm_init in the machine
descriptor. This defines a macro to NULL for that case.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Shawn Guo <shawn.guo@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/mach-mxs/pm.h |    4 ++++
 1 file changed, 4 insertions(+)

--- a/arch/arm/mach-mxs/pm.h
+++ b/arch/arm/mach-mxs/pm.h
@@ -9,6 +9,10 @@
 #ifndef __ARCH_MXS_PM_H
 #define __ARCH_MXS_PM_H
 
+#ifdef CONFIG_PM
 void mxs_pm_init(void);
+#else
+#define mxs_pm_init NULL
+#endif
 
 #endif


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