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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-07 15:18:52 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-07 15:18:52 -0500
commit02550d61f49266930e674286379d3601006b2893 (patch)
tree2d30df688b7f428908028dd20e83b22bc799dee7 /include/linux/of.h
parent2d51daaa615e4724f24e43fa01e705c40551080a (diff)
parentc89810acbcf48c7004e912b2b4b862480b2d00e1 (diff)
Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6
devicetree/next changes queued for v3.3 merge window * tag 'devicetree-for-linus-20120104' of git://git.secretlab.ca/git/linux-2.6: ARM: prom.h: Fix build error by removing unneeded header file irq: check domain hwirq range for DT translate dt: add empty of_get_node/of_put_node functions of/pdt: fix section mismatch warning i2c-designware: add OF binding support dt/i2c: Enumerate some of the known trivial i2c devices dt: reform for_each_property to for_each_property_of_node ARM/of: allow *machine_desc.dt_compat to be const of/base: Take NULL string into account for property with multiple strings OF/device-tree: Add some entries to vendor-prefixes.txt Fix up trivial add-add conflicts in include/linux/of.h
Diffstat (limited to 'include/linux/of.h')
-rw-r--r--include/linux/of.h33
1 files changed, 16 insertions, 17 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index ea44fd72af5..a75a831e205 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -72,6 +72,20 @@ struct of_phandle_args {
72 uint32_t args[MAX_PHANDLE_ARGS]; 72 uint32_t args[MAX_PHANDLE_ARGS];
73}; 73};
74 74
75#if defined(CONFIG_SPARC) || !defined(CONFIG_OF)
76/* Dummy ref counting routines - to be implemented later */
77static inline struct device_node *of_node_get(struct device_node *node)
78{
79 return node;
80}
81static inline void of_node_put(struct device_node *node)
82{
83}
84#else
85extern struct device_node *of_node_get(struct device_node *node);
86extern void of_node_put(struct device_node *node);
87#endif
88
75#ifdef CONFIG_OF 89#ifdef CONFIG_OF
76 90
77/* Pointer for first entry in chain of all nodes. */ 91/* Pointer for first entry in chain of all nodes. */
@@ -102,21 +116,6 @@ static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
102 116
103extern struct device_node *of_find_all_nodes(struct device_node *prev); 117extern struct device_node *of_find_all_nodes(struct device_node *prev);
104 118
105#if defined(CONFIG_SPARC)
106/* Dummy ref counting routines - to be implemented later */
107static inline struct device_node *of_node_get(struct device_node *node)
108{
109 return node;
110}
111static inline void of_node_put(struct device_node *node)
112{
113}
114
115#else
116extern struct device_node *of_node_get(struct device_node *node);
117extern void of_node_put(struct device_node *node);
118#endif
119
120/* 119/*
121 * OF address retrieval & translation 120 * OF address retrieval & translation
122 */ 121 */
@@ -226,8 +225,8 @@ extern int of_device_is_available(const struct device_node *device);
226extern const void *of_get_property(const struct device_node *node, 225extern const void *of_get_property(const struct device_node *node,
227 const char *name, 226 const char *name,
228 int *lenp); 227 int *lenp);
229#define for_each_property(pp, properties) \ 228#define for_each_property_of_node(dn, pp) \
230 for (pp = properties; pp != NULL; pp = pp->next) 229 for (pp = dn->properties; pp != NULL; pp = pp->next)
231 230
232extern int of_n_addr_cells(struct device_node *np); 231extern int of_n_addr_cells(struct device_node *np);
233extern int of_n_size_cells(struct device_node *np); 232extern int of_n_size_cells(struct device_node *np);