Re: [PATCH] AMD IOMMU: use iommu_device_max_index

[Thomas Gleixner <tglx@linutronix.de>]

On Thu, 2 Oct 2008, Ingo Molnar wrote:
> * Joerg Roedel <joerg.roedel@amd.com> wrote:
> 
> > Ingo,
> > 
> > can you please apply this patch to your x86/iommu directly? For a 
> > single patch it makes no sense to go through my tree.
> 
> sure - applied to tip/x86/iommu, thanks guys.

breaks sparc64 build due to missing header guards.

Thanks,

	tglx
-------------->
Subject: iommu: add missing header guards
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 06 Oct 2008 14:12:21 +0200

include/linux/iommu-helper.h has no header guards, which breaks
sparc64 build. Add them.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h
index 786539e..a6d0586 100644
--- a/include/linux/iommu-helper.h
+++ b/include/linux/iommu-helper.h
@@ -1,3 +1,6 @@
+#ifndef _LINUX_IOMMU_HELPER_H
+#define _LINUX_IOMMU_HELPER_H
+
 static inline unsigned long iommu_device_max_index(unsigned long size,
 						   unsigned long offset,
 						   u64 dma_mask)
@@ -19,3 +22,5 @@ extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
 				      unsigned long align_mask);
 extern void iommu_area_free(unsigned long *map, unsigned long start,
 			    unsigned int nr);
+
+#endif