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61 lines
1.8 KiB
61 lines
1.8 KiB
/* 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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