aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/of.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-15 23:01:36 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-15 23:01:36 -0400
commitd10902812c9cd5583130a4ebb9ad19c60b68149d (patch)
treeb1b28587970e8cebf74ba4d61edf49537f619ab7 /include/linux/of.h
parent181f977d134a9f8e3f8839f42af655b045fc059e (diff)
parent25874a299ef8037df03ce4ada570bc4e42f9748f (diff)
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (27 commits) x86: Clean up apic.c and apic.h x86: Remove superflous goal definition of tsc_sync x86: dt: Correct local apic documentation in device tree bindings x86: dt: Cleanup local apic setup x86: dt: Fix OLPC=y/INTEL_CE=n build rtc: cmos: Add OF bindings x86: ce4100: Use OF to setup devices x86: ioapic: Add OF bindings for IO_APIC x86: dtb: Add generic bus probe x86: dtb: Add support for PCI devices backed by dtb nodes x86: dtb: Add device tree support for HPET x86: dtb: Add early parsing of IO_APIC x86: dtb: Add irq domain abstraction x86: dtb: Add a device tree for CE4100 x86: Add device tree support x86: e820: Remove conditional early mapping in parse_e820_ext x86: OLPC: Make OLPC=n build again x86: OLPC: Remove extra OLPC_OPENFIRMWARE_DT indirection x86: OLPC: Cleanup config maze completely x86: OLPC: Hide OLPC_OPENFIRMWARE config switch ... Fix up conflicts in arch/x86/platform/ce4100/ce4100.c
Diffstat (limited to 'include/linux/of.h')
-rw-r--r--include/linux/of.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index cad7cf0ab278..266db1d0baa9 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -23,8 +23,6 @@
23 23
24#include <asm/byteorder.h> 24#include <asm/byteorder.h>
25 25
26#ifdef CONFIG_OF
27
28typedef u32 phandle; 26typedef u32 phandle;
29typedef u32 ihandle; 27typedef u32 ihandle;
30 28
@@ -65,11 +63,18 @@ struct device_node {
65#endif 63#endif
66}; 64};
67 65
66#ifdef CONFIG_OF
67
68/* Pointer for first entry in chain of all nodes. */ 68/* Pointer for first entry in chain of all nodes. */
69extern struct device_node *allnodes; 69extern struct device_node *allnodes;
70extern struct device_node *of_chosen; 70extern struct device_node *of_chosen;
71extern rwlock_t devtree_lock; 71extern rwlock_t devtree_lock;
72 72
73static inline bool of_have_populated_dt(void)
74{
75 return allnodes != NULL;
76}
77
73static inline bool of_node_is_root(const struct device_node *node) 78static inline bool of_node_is_root(const struct device_node *node)
74{ 79{
75 return node && (node->parent == NULL); 80 return node && (node->parent == NULL);
@@ -222,5 +227,12 @@ extern void of_attach_node(struct device_node *);
222extern void of_detach_node(struct device_node *); 227extern void of_detach_node(struct device_node *);
223#endif 228#endif
224 229
230#else
231
232static inline bool of_have_populated_dt(void)
233{
234 return false;
235}
236
225#endif /* CONFIG_OF */ 237#endif /* CONFIG_OF */
226#endif /* _LINUX_OF_H */ 238#endif /* _LINUX_OF_H */