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 9struct dma_mapping_ops; 10struct device_node; 11 12struct 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 21static inline void dev_archdata_set_node(struct dev_archdata *ad, 22 struct device_node *np) 23{ 24 ad->of_node = np; 25} 26 27static inline struct device_node * 28dev_archdata_get_node(const struct dev_archdata *ad) 29{ 30 return ad->of_node; 31} 32 33#endif /* _ASM_POWERPC_DEVICE_H */ 34