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iommu/omap: Remove conditional definition of dev_to_omap_iommu()

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The dev_to_omap_iommu() is local to the OMAP IOMMU modules, and
need not be defined conditionally. The CONFIG_IOMMU_API dependency
check was added in the past to fix a compilation issue back when
the header resided in the arch/arm layers, and is no longer
needed.

While at this, fix the header against double inclusion as well.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Suman Anna 2014-10-22 17:22:22 -05:00 committed by Joerg Roedel
parent 52dad776fc
commit 533b40cccd
1 changed files with 5 additions and 2 deletions
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7
drivers/iommu/omap-iommu.h
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@ -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 */