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