forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.8 KiB
61 lines
1.8 KiB
/* 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__ */
|
|
|