add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/char/misc.c
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@@ -60,7 +60,7 @@
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 /*
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  * Assigned numbers, used for dynamic minors
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  */
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-#define DYNAMIC_MINORS 64 /* like dynamic majors */
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+#define DYNAMIC_MINORS 128 /* like dynamic majors */
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 static DECLARE_BITMAP(misc_minors, DYNAMIC_MINORS);
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 #ifdef CONFIG_PROC_FS
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@@ -226,6 +226,7 @@
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 	mutex_unlock(&misc_mtx);
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 	return err;
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 }
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+EXPORT_SYMBOL(misc_register);
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 /**
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  *	misc_deregister - unregister a miscellaneous device
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@@ -249,8 +250,6 @@
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 		clear_bit(i, misc_minors);
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 	mutex_unlock(&misc_mtx);
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 }
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-
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-EXPORT_SYMBOL(misc_register);
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 EXPORT_SYMBOL(misc_deregister);
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 static char *misc_devnode(struct device *dev, umode_t *mode)
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@@ -289,8 +288,4 @@
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 		remove_proc_entry("misc", NULL);
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 	return err;
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 }
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-#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
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-arch_initcall_sync(misc_init);
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-#else
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 subsys_initcall(misc_init);
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-#endif