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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_OF_DEVICE_H
#define _LINUX_OF_DEVICE_H
#include <linux/cpu.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h> /* temporary until merge */
#include <linux/of.h>
#include <linux/mod_devicetable.h>
struct device;
#ifdef CONFIG_OF
extern const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct device *dev);
/**
* of_driver_match_device - Tell if a driver's of_match_table matches a device.
* @drv: the device_driver structure to test
* @dev: the device structure to match against
*/
static inline int of_driver_match_device(struct device *dev,
const struct device_driver *drv)
{
return of_match_device(drv->of_match_table, dev) != NULL;
}
extern int of_device_add(struct platform_device *pdev);
extern int of_device_register(struct platform_device *ofdev);
extern void of_device_unregister(struct platform_device *ofdev);
extern const void *of_device_get_match_data(const struct device *dev);
extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
extern int of_device_request_module(struct device *dev);
extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
static inline struct device_node *of_cpu_device_node_get(int cpu)
{
struct device *cpu_dev;
cpu_dev = get_cpu_device(cpu);
if (!cpu_dev)
return of_get_cpu_node(cpu, NULL);
return of_node_get(cpu_dev->of_node);
}
int of_dma_configure_id(struct device *dev,
struct device_node *np,
bool force_dma, const u32 *id);
static inline int of_dma_configure(struct device *dev,
struct device_node *np,
bool force_dma)
{
return of_dma_configure_id(dev, np, force_dma, NULL);
}
#else /* CONFIG_OF */
static inline int of_driver_match_device(struct device *dev,
const struct device_driver *drv)
{
return 0;
}
static inline void of_device_uevent(struct device *dev,
struct kobj_uevent_env *env) { }
static inline const void *of_device_get_match_data(const struct device *dev)
{
return NULL;
}
static inline int of_device_modalias(struct device *dev,
char *str, ssize_t len)
{
return -ENODEV;
}
static inline int of_device_request_module(struct device *dev)
{
return -ENODEV;
}
static inline int of_device_uevent_modalias(struct device *dev,
struct kobj_uevent_env *env)
{
return -ENODEV;
}
static inline const struct of_device_id *of_match_device(
const struct of_device_id *matches, const struct device *dev)
{
return NULL;
}
static inline struct device_node *of_cpu_device_node_get(int cpu)
{
return NULL;
}
static inline int of_dma_configure_id(struct device *dev,
struct device_node *np,
bool force_dma,
const u32 *id)
{
return 0;
}
static inline int of_dma_configure(struct device *dev,
struct device_node *np,
bool force_dma)
{
return 0;
}
#endif /* CONFIG_OF */
#endif /* _LINUX_OF_DEVICE_H */
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