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