linux-kernel - powerpc/eeh: Fix compile error due to missing include file

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Message-ID: <28515.1363066304@ale.ozlabs.ibm.com>
Date:	Tue, 12 Mar 2013 16:31:44 +1100
From:	Michael Neuling <mikey@...ling.org>
To:	Ben Hutchings <ben@...adent.org.uk>
cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	akpm@...ux-foundation.org,
	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>,
	Gavin Shan <shangw@...ux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: powerpc/eeh: Fix compile error due to missing include file

Ben Hutchings <ben@...adent.org.uk> wrote:

> On Fri, 2013-03-08 at 13:51 +1100, Michael Neuling wrote:
> > This patch is breaking the celleb_defconfig on powerpc with:
> > 
> > arch/powerpc/kernel/of_platform.c: In function 'of_pci_phb_probe':
> > arch/powerpc/kernel/of_platform.c:95:2: error: implicit declaration of
> > function 'eeh_add_sysfs_files' [-Werror=implicit-function-declaration]
> 
> In 3.2 this file doesn't (directly) include <asm/eeh.h> which is where
> the definition was added.  In mainline it does.
> 
> Assuming that this change is actually required for 3.2 (which I'm not
> sure about), I suppose we just need to add the #include.

Yep that fixes it.  Patch below (for stable 3.2 only)


From: Michael Neuling <mikey@...ling.org>
Subject: powerpc/eeh: Fix compile error due to missing include file

3.2.40 fails to compile the celleb_defconfig with the following error:

  arch/powerpc/kernel/of_platform.c: In function 'of_pci_phb_probe':
  arch/powerpc/kernel/of_platform.c:95:2: error: implicit declaration of function 'eeh_add_sysfs_files' [-Werror=implicit-function-declaration]

The following adds the required include file to fix this.

Signed-off-by: Michael Neuling <mikey@...ling.org>

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index b10beef..601650f 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -26,6 +26,7 @@
 #include <asm/topology.h>
 #include <asm/pci-bridge.h>
 #include <asm/ppc-pci.h>
+#include <asm/eeh.h>
 #include <linux/atomic.h>
 
 #ifdef CONFIG_PPC_OF_PLATFORM_PCI
--
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