1 /* 2 * Arch specific extensions to struct device 3 * 4 * This file is released under the GPLv2 5 */ 6 #ifndef _ASM_POWERPC_DEVICE_H 7 #define _ASM_POWERPC_DEVICE_H 8 9 struct dma_map_ops; 10 struct device_node; 11 12 struct dev_archdata { 13 /* Optional pointer to an OF device node */ 14 struct device_node *of_node; 15 16 /* DMA operations on that device */ 17 struct dma_map_ops *dma_ops; 18 void *dma_data; 19 #ifdef CONFIG_SWIOTLB 20 dma_addr_t max_direct_dma_addr; 21 #endif 22 }; 23 24 static inline void dev_archdata_set_node(struct dev_archdata *ad, 25 struct device_node *np) 26 { 27 ad->of_node = np; 28 } 29 30 static inline struct device_node * 31 dev_archdata_get_node(const struct dev_archdata *ad) 32 { 33 return ad->of_node; 34 } 35 36 struct pdev_archdata { 37 }; 38 39 #endif /* _ASM_POWERPC_DEVICE_H */ 40