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1#ifndef _LINUX_OF_PLATFORM_H 2#define _LINUX_OF_PLATFORM_H 3/* 4 * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. 5 * <benh@kernel.crashing.org> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 10 * 2 of the License, or (at your option) any later version. 11 * 12 */ 13 14#ifdef CONFIG_OF_DEVICE 15#include <linux/module.h> 16#include <linux/device.h> 17#include <linux/mod_devicetable.h> 18#include <linux/pm.h> 19#include <linux/of_device.h> 20 21/* 22 * The of_platform_bus_type is a bus type used by drivers that do not 23 * attach to a macio or similar bus but still use OF probing 24 * mechanism 25 */ 26extern struct bus_type of_platform_bus_type; 27 28/* 29 * An of_platform_driver driver is attached to a basic of_device on 30 * the "platform bus" (of_platform_bus_type). 31 */ 32struct of_platform_driver 33{ 34 int (*probe)(struct of_device* dev, 35 const struct of_device_id *match); 36 int (*remove)(struct of_device* dev); 37 38 int (*suspend)(struct of_device* dev, pm_message_t state); 39 int (*resume)(struct of_device* dev); 40 int (*shutdown)(struct of_device* dev); 41 42 struct device_driver driver; 43}; 44#define to_of_platform_driver(drv) \ 45 container_of(drv,struct of_platform_driver, driver) 46 47extern int of_register_driver(struct of_platform_driver *drv, 48 struct bus_type *bus); 49extern void of_unregister_driver(struct of_platform_driver *drv); 50 51/* Platform drivers register/unregister */ 52static inline int of_register_platform_driver(struct of_platform_driver *drv) 53{ 54 return of_register_driver(drv, &of_platform_bus_type); 55} 56static inline void of_unregister_platform_driver(struct of_platform_driver *drv) 57{ 58 of_unregister_driver(drv); 59} 60 61#include <asm/of_platform.h> 62 63extern struct of_device *of_find_device_by_node(struct device_node *np); 64 65extern int of_bus_type_init(struct bus_type *bus, const char *name); 66#endif /* CONFIG_OF_DEVICE */ 67 68#endif /* _LINUX_OF_PLATFORM_H */