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ARM: OMAP: iommu: fix including iommu.h without IOMMU_API selected 

If included without IOMMU_API being selected it will break
compilation:

arch/arm/plat-omap/include/plat/iommu.h:
	In function 'dev_to_omap_iommu':
arch/arm/plat-omap/include/plat/iommu.h:148:
	error: 'struct dev_archdata' has no member named 'iommu'

This will be seen when hwmod includes iommu.h to get the
structure for attributes. Also needed for tidspbridge
incremental migration to use iommu code.

Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Omar Ramirez Luna <omar.luna@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Omar Ramirez Luna 2012-09-23 17:28:23 -06:00 committed by Paul Walmsley
parent 53cce97c39
commit 7460f1407e
1 changed files with 2 additions and 0 deletions
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2
arch/arm/plat-omap/include/plat/iommu.h
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@ -126,6 +126,7 @@ struct omap_iommu_arch_data {
struct omap_iommu *iommu_dev;
};
#ifdef CONFIG_IOMMU_API
/**
* dev_to_omap_iommu() - retrieves an omap iommu object from a user device
* @dev: iommu client device
@ -136,6 +137,7 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
return arch_data->iommu_dev;
}
#endif
/* IOMMU errors */
#define OMAP_IOMMU_ERR_TLB_MISS (1 << 0)