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Split out common parts of prom.h

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This creates linux/of.h and includes asm/prom.h from it.

We also include linux/of.h from asm/prom.h while we transition.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Rothwell 2007-05-01 16:19:07 +10:00
parent 9a79b22741
commit 76c1ce7870
4 changed files with 79 additions and 117 deletions
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61
include/linux/of.h Normal file
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#ifndef _LINUX_OF_H
#define _LINUX_OF_H
/*
* Definitions for talking to the Open Firmware PROM on
* Power Macintosh and other computers.
*
* Copyright (C) 1996-2005 Paul Mackerras.
*
* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
* Updates for SPARC64 by David S. Miller
* Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/types.h>
#include <asm/bitops.h>
#include <asm/prom.h>
/* flag descriptions */
#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
#define OF_DETACHED 2 /* node has been detached from the device tree */
#define OF_BAD_ADDR ((u64)-1)
extern struct device_node *of_find_node_by_name(struct device_node *from,
const char *name);
#define for_each_node_by_name(dn, name) \
for (dn = of_find_node_by_name(NULL, name); dn; \
dn = of_find_node_by_name(dn, name))
extern struct device_node *of_find_node_by_type(struct device_node *from,
const char *type);
#define for_each_node_by_type(dn, type) \
for (dn = of_find_node_by_type(NULL, type); dn; \
dn = of_find_node_by_type(dn, type))
extern struct device_node *of_find_compatible_node(struct device_node *from,
const char *type, const char *compat);
#define for_each_compatible_node(dn, type, compatible) \
for (dn = of_find_compatible_node(NULL, type, compatible); dn; \
dn = of_find_compatible_node(dn, type, compatible))
extern struct device_node *of_find_node_by_path(const char *path);
extern struct device_node *of_find_node_by_phandle(phandle handle);
extern struct device_node *of_get_parent(const struct device_node *node);
extern struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev);
extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
extern int of_device_is_compatible(const struct device_node *device,
const char *);
extern const void *of_get_property(const struct device_node *node,
const char *name,
int *lenp);
#define get_property(a, b, c) of_get_property((a), (b), (c))
extern int of_n_addr_cells(struct device_node *np);
extern int of_n_size_cells(struct device_node *np);
#endif /* _LINUX_OF_H */