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-rw-r--r--include/asm-ppc/prom.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h
index eb317a0806e4..6d431d6fb022 100644
--- a/include/asm-ppc/prom.h
+++ b/include/asm-ppc/prom.h
@@ -167,6 +167,14 @@ extern int of_address_to_resource(struct device_node *dev, int index,
extern int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r);
+#ifndef CONFIG_PPC_OF
+/*
+ * Fallback definitions for builds where we don't have prom.c included.
+ */
+#define machine_is_compatible(x) 0
+#define of_find_compatible_node(f, t, c) NULL
+#define get_property(p, n, l) NULL
+#endif
#endif /* _PPC_PROM_H */
#endif /* __KERNEL__ */