| /* 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) |
| { |
| 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 */ |