iommu: Introduce wrappers around dev->iommu_fwspec
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>
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 11db18b..26225f7 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -398,6 +398,17 @@
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 {};