mirror of https://gitee.com/openkylin/linux.git
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
|
|
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
|
|
* <benh@kernel.crashing.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#include <asm/of_device.h>
|
|
|
|
/*
|
|
* The of_platform_bus_type is a bus type used by drivers that do not
|
|
* attach to a macio or similar bus but still use OF probing
|
|
* mechanism
|
|
*/
|
|
extern struct bus_type of_platform_bus_type;
|
|
|
|
/*
|
|
* An of_platform_driver driver is attached to a basic of_device on
|
|
* the "platform bus" (of_platform_bus_type)
|
|
*/
|
|
struct of_platform_driver
|
|
{
|
|
char *name;
|
|
struct of_device_id *match_table;
|
|
struct module *owner;
|
|
|
|
int (*probe)(struct of_device* dev,
|
|
const struct of_device_id *match);
|
|
int (*remove)(struct of_device* dev);
|
|
|
|
int (*suspend)(struct of_device* dev, pm_message_t state);
|
|
int (*resume)(struct of_device* dev);
|
|
int (*shutdown)(struct of_device* dev);
|
|
|
|
struct device_driver driver;
|
|
};
|
|
#define to_of_platform_driver(drv) \
|
|
container_of(drv,struct of_platform_driver, driver)
|
|
|
|
/* Platform drivers register/unregister */
|
|
extern int of_register_platform_driver(struct of_platform_driver *drv);
|
|
extern void of_unregister_platform_driver(struct of_platform_driver *drv);
|
|
|
|
/* Platform devices and busses creation */
|
|
extern struct of_device *of_platform_device_create(struct device_node *np,
|
|
const char *bus_id,
|
|
struct device *parent);
|
|
/* pseudo "matches" value to not do deep probe */
|
|
#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
|
|
|
|
extern int of_platform_bus_probe(struct device_node *root,
|
|
struct of_device_id *matches,
|
|
struct device *parent);
|
|
|
|
extern struct of_device *of_find_device_by_node(struct device_node *np);
|
|
extern struct of_device *of_find_device_by_phandle(phandle ph);
|