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/*
* Arch specific extensions to struct device
*
* This file is released under the GPLv2
*/
#ifndef _ASM_POWERPC_DEVICE_H
#define _ASM_POWERPC_DEVICE_H
struct dma_map_ops;
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;
/*
* 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 {
};
#endif /* _ASM_POWERPC_DEVICE_H */
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