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Diffstat (limited to 'drivers/iommu/omap-iommu.h')
-rw-r--r--drivers/iommu/omap-iommu.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h
index 4fc51c8e24b1..d7c51327cd25 100644
--- a/drivers/iommu/omap-iommu.h
+++ b/drivers/iommu/omap-iommu.h
@@ -10,6 +10,9 @@
* published by the Free Software Foundation.
*/
+#ifndef _OMAP_IOMMU_H
+#define _OMAP_IOMMU_H
+
#if defined(CONFIG_ARCH_OMAP1)
#error "iommu for this processor not implemented yet"
#endif
@@ -92,7 +95,6 @@ struct iommu_functions {
ssize_t (*dump_ctx)(struct omap_iommu *obj, char *buf, ssize_t len);
};
-#ifdef CONFIG_IOMMU_API
/**
* dev_to_omap_iommu() - retrieves an omap iommu object from a user device
* @dev: iommu client device
@@ -103,7 +105,6 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
return arch_data->iommu_dev;
}
-#endif
/*
* MMU Register offsets
@@ -220,3 +221,5 @@ static inline void iommu_write_reg(struct omap_iommu *obj, u32 val, size_t offs)
{
__raw_writel(val, obj->regbase + offs);
}
+
+#endif /* _OMAP_IOMMU_H */