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iommu: Introduce wrappers around dev->iommu_fwspec

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These wrappers will be used to easily change the location of
the field later when all users are converted.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel
2018-11-28 13:35:24 +01:00
parent c4b17afb0a
commit b4ef725eeb
2 changed files with 18 additions and 7 deletions
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11
include/linux/iommu.h
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@@ -398,6 +398,17 @@ void iommu_fwspec_free(struct device *dev);
int iommu_fwspec_add_ids(struct device *dev, u32 *ids, int num_ids);
const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode);
static inline struct iommu_fwspec *dev_iommu_fwspec_get(struct device *dev)
{
return dev->iommu_fwspec;
}
static inline void dev_iommu_fwspec_set(struct device *dev,
struct iommu_fwspec *fwspec)
{
dev->iommu_fwspec = fwspec;
}
#else /* CONFIG_IOMMU_API */
struct iommu_ops {};