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/* SPDX--License-Identifier: GPL-2.0 */
#ifndef __PLATFORM_EARLY__
#define __PLATFORM_EARLY__
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
struct sh_early_platform_driver {
const char *class_str;
struct platform_driver *pdrv;
struct list_head list;
int requested_id;
char *buffer;
int bufsize;
};
#define EARLY_PLATFORM_ID_UNSET -2
#define EARLY_PLATFORM_ID_ERROR -3
extern int sh_early_platform_driver_register(struct sh_early_platform_driver *epdrv,
char *buf);
extern void sh_early_platform_add_devices(struct platform_device **devs, int num);
static inline int is_sh_early_platform_device(struct platform_device *pdev)
{
return !pdev->dev.driver;
}
extern void sh_early_platform_driver_register_all(char *class_str);
extern int sh_early_platform_driver_probe(char *class_str,
int nr_probe, int user_only);
#define sh_early_platform_init(class_string, platdrv) \
sh_early_platform_init_buffer(class_string, platdrv, NULL, 0)
#ifndef MODULE
#define sh_early_platform_init_buffer(class_string, platdrv, buf, bufsiz) \
static __initdata struct sh_early_platform_driver early_driver = { \
.class_str = class_string, \
.buffer = buf, \
.bufsize = bufsiz, \
.pdrv = platdrv, \
.requested_id = EARLY_PLATFORM_ID_UNSET, \
}; \
static int __init sh_early_platform_driver_setup_func(char *buffer) \
{ \
return sh_early_platform_driver_register(&early_driver, buffer); \
} \
early_param(class_string, sh_early_platform_driver_setup_func)
#else /* MODULE */
#define sh_early_platform_init_buffer(class_string, platdrv, buf, bufsiz) \
static inline char *sh_early_platform_driver_setup_func(void) \
{ \
return bufsiz ? buf : NULL; \
}
#endif /* MODULE */
#endif /* __PLATFORM_EARLY__ */
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