| 1 | #ifndef _LINUX_OF_H
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| 2 | #define _LINUX_OF_H
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| 3 | /*
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| 4 | * Definitions for talking to the Open Firmware PROM on
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| 5 | * Power Macintosh and other computers.
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| 6 | *
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| 7 | * Copyright (C) 1996-2005 Paul Mackerras.
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| 8 | *
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| 9 | * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
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| 10 | * Updates for SPARC64 by David S. Miller
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| 11 | * Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp.
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| 12 | *
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| 13 | * This program is free software; you can redistribute it and/or
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| 14 | * modify it under the terms of the GNU General Public License
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| 15 | * as published by the Free Software Foundation; either version
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| 16 | * 2 of the License, or (at your option) any later version.
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| 17 | */
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| 18 | #include <linux/types.h>
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| 19 | #include <linux/bitops.h>
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| 20 | #include <linux/errno.h>
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| 21 | #include <linux/kobject.h>
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| 22 | #include <linux/mod_devicetable.h>
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| 23 | #include <linux/spinlock.h>
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| 24 | //#include <linux/topology.h>
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| 25 | #include <linux/notifier.h>
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| 26 | //#include <linux/property.h>
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| 27 | #include <linux/list.h>
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| 28 |
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| 29 |
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| 30 | struct property {
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| 31 | char *name;
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| 32 | int length;
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| 33 | void *value;
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| 34 | struct property *next;
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| 35 | unsigned long _flags;
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| 36 | unsigned int unique_id;
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| 37 | // struct bin_attribute attr;
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| 38 | };
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| 39 |
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| 40 | static inline struct property *of_find_property(const struct device_node *np,
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| 41 | const char *name,
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| 42 | int *lenp)
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| 43 | {
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| 44 | return NULL;
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| 45 | }
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| 46 |
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| 47 | /**
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| 48 | * of_property_read_bool - Findfrom a property
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| 49 | * @np: device node from which the property value is to be read.
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| 50 | * @propname: name of the property to be searched.
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| 51 | *
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| 52 | * Search for a property in a device node.
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| 53 | * Returns true if the property exists false otherwise.
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| 54 | */
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| 55 | static inline bool of_property_read_bool(const struct device_node *np,
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| 56 | const char *propname)
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| 57 | {
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| 58 | struct property *prop = of_find_property(np, propname, NULL);
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| 59 |
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| 60 | return prop ? true : false;
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| 61 | }
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| 62 |
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| 63 | #endif /* _LINUX_OF_H */
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