struct device_node;
struct dev_archdata {
- /* Optional pointer to an OF device node */
- struct device_node *of_node;
-
/* DMA operations on that device */
struct dma_map_ops *dma_ops;
- void *dma_data;
+
+ /*
+ * When an iommu is in use, dma_data is used as a ptr to the base of the
+ * iommu_table. Otherwise, it is a simple numerical offset.
+ */
+ union {
+ dma_addr_t dma_offset;
+ void *iommu_table_base;
+ } dma_data;
+
#ifdef CONFIG_SWIOTLB
dma_addr_t max_direct_dma_addr;
#endif
};
-static inline void dev_archdata_set_node(struct dev_archdata *ad,
- struct device_node *np)
-{
- ad->of_node = np;
-}
-
-static inline struct device_node *
-dev_archdata_get_node(const struct dev_archdata *ad)
-{
- return ad->of_node;
-}
-
struct pdev_archdata {
};