linux-kernel - [PATCH 3.19 133/175] ARM: mvebu: build armada375-smp code conditionally

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Date:	Tue,  3 Mar 2015 22:15:11 -0800
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>,
	Andrew Lunn <andrew@...n.ch>,
	Jason Cooper <jason@...edaemon.net>,
	Gregory Clement <gregory.clement@...e-electrons.com>
Subject: [PATCH 3.19 133/175] ARM: mvebu: build armada375-smp code conditionally

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

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

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

commit 165235180ff61f0012ea68a299e46daec43dcaa7 upstream.

mvebu_armada375_smp_wa_init is only used on armada 375 but is defined
for all mvebu machines. As it calls a function that is only provided
sometimes, this can result in a link error:

arch/arm/mach-mvebu/built-in.o: In function `mvebu_armada375_smp_wa_init':
:(.text+0x228): undefined reference to `mvebu_setup_boot_addr_wa'

To solve this, we can just change the existing #ifdef around the
function to also check for Armada375 SMP platforms.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: 305969fb6292 ("ARM: mvebu: use the common function for Armada 375 SMP workaround")
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Jason Cooper <jason@...edaemon.net>
Cc: Gregory Clement <gregory.clement@...e-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/mach-mvebu/system-controller.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm/mach-mvebu/system-controller.c
+++ b/arch/arm/mach-mvebu/system-controller.c
@@ -126,7 +126,7 @@ int mvebu_system_controller_get_soc_id(u
 		return -ENODEV;
 }
 
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) && defined(CONFIG_MACH_MVEBU_V7)
 void mvebu_armada375_smp_wa_init(void)
 {
 	u32 dev, rev;


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