tmp_suning_uos_patched/include/linux/of_device.h
Christoph Hellwig dc3c05504d dma-mapping: remove dma_deconfigure
This goes through a lot of hooks just to call arch_teardown_dma_ops.
Replace it with a direct call instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
2018-09-08 11:19:28 +02:00

118 lines
3.0 KiB
C

/* 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 struct platform_device *of_dev_get(struct platform_device *dev);
extern void of_dev_put(struct platform_device *dev);
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 void of_device_node_put(struct device *dev)
{
of_node_put(dev->of_node);
}
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(struct device *dev,
struct device_node *np,
bool force_dma);
#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 void of_device_node_put(struct device *dev) { }
static inline const struct of_device_id *__of_match_device(
const struct of_device_id *matches, const struct device *dev)
{
return NULL;
}
#define of_match_device(matches, dev) \
__of_match_device(of_match_ptr(matches), (dev))
static inline struct device_node *of_cpu_device_node_get(int cpu)
{
return NULL;
}
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 */