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_mapping_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_mapping_ops *dma_ops; 18 void *dma_data; 19 }; 20 21 static inline void dev_archdata_set_node(struct dev_archdata *ad, 22 struct device_node *np) 23 { 24 ad->of_node = np; 25 } 26 27 static inline struct device_node * 28 dev_archdata_get_node(const struct dev_archdata *ad) 29 { 30 return ad->of_node; 31 } 32 33 #endif /* _ASM_POWERPC_DEVICE_H */ 34