cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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of_device.h (3004B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_OF_DEVICE_H
      3#define _LINUX_OF_DEVICE_H
      4
      5#include <linux/cpu.h>
      6#include <linux/platform_device.h>
      7#include <linux/of_platform.h> /* temporary until merge */
      8
      9#include <linux/of.h>
     10#include <linux/mod_devicetable.h>
     11
     12struct device;
     13
     14#ifdef CONFIG_OF
     15extern const struct of_device_id *of_match_device(
     16	const struct of_device_id *matches, const struct device *dev);
     17
     18/**
     19 * of_driver_match_device - Tell if a driver's of_match_table matches a device.
     20 * @drv: the device_driver structure to test
     21 * @dev: the device structure to match against
     22 */
     23static inline int of_driver_match_device(struct device *dev,
     24					 const struct device_driver *drv)
     25{
     26	return of_match_device(drv->of_match_table, dev) != NULL;
     27}
     28
     29extern int of_device_add(struct platform_device *pdev);
     30extern int of_device_register(struct platform_device *ofdev);
     31extern void of_device_unregister(struct platform_device *ofdev);
     32
     33extern const void *of_device_get_match_data(const struct device *dev);
     34
     35extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
     36extern int of_device_request_module(struct device *dev);
     37
     38extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
     39extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);
     40
     41static inline struct device_node *of_cpu_device_node_get(int cpu)
     42{
     43	struct device *cpu_dev;
     44	cpu_dev = get_cpu_device(cpu);
     45	if (!cpu_dev)
     46		return of_get_cpu_node(cpu, NULL);
     47	return of_node_get(cpu_dev->of_node);
     48}
     49
     50int of_dma_configure_id(struct device *dev,
     51		     struct device_node *np,
     52		     bool force_dma, const u32 *id);
     53static inline int of_dma_configure(struct device *dev,
     54				   struct device_node *np,
     55				   bool force_dma)
     56{
     57	return of_dma_configure_id(dev, np, force_dma, NULL);
     58}
     59#else /* CONFIG_OF */
     60
     61static inline int of_driver_match_device(struct device *dev,
     62					 const struct device_driver *drv)
     63{
     64	return 0;
     65}
     66
     67static inline void of_device_uevent(struct device *dev,
     68			struct kobj_uevent_env *env) { }
     69
     70static inline const void *of_device_get_match_data(const struct device *dev)
     71{
     72	return NULL;
     73}
     74
     75static inline int of_device_modalias(struct device *dev,
     76				     char *str, ssize_t len)
     77{
     78	return -ENODEV;
     79}
     80
     81static inline int of_device_request_module(struct device *dev)
     82{
     83	return -ENODEV;
     84}
     85
     86static inline int of_device_uevent_modalias(struct device *dev,
     87				   struct kobj_uevent_env *env)
     88{
     89	return -ENODEV;
     90}
     91
     92static inline const struct of_device_id *of_match_device(
     93		const struct of_device_id *matches, const struct device *dev)
     94{
     95	return NULL;
     96}
     97
     98static inline struct device_node *of_cpu_device_node_get(int cpu)
     99{
    100	return NULL;
    101}
    102
    103static inline int of_dma_configure_id(struct device *dev,
    104				   struct device_node *np,
    105				   bool force_dma)
    106{
    107	return 0;
    108}
    109static inline int of_dma_configure(struct device *dev,
    110				   struct device_node *np,
    111				   bool force_dma)
    112{
    113	return 0;
    114}
    115#endif /* CONFIG_OF */
    116
    117#endif /* _LINUX_OF_DEVICE_H */