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-rw-r--r--drivers/of/of_private.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 24786818e32e..66294d29942a 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -158,4 +158,18 @@ extern void __of_sysfs_remove_bin_file(struct device_node *np,
#define for_each_transaction_entry_reverse(_oft, _te) \
list_for_each_entry_reverse(_te, &(_oft)->te_list, node)
+extern int of_bus_n_addr_cells(struct device_node *np);
+extern int of_bus_n_size_cells(struct device_node *np);
+
+#ifdef CONFIG_OF_ADDRESS
+extern int of_dma_get_range(struct device_node *np, u64 *dma_addr,
+ u64 *paddr, u64 *size);
+#else
+static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr,
+ u64 *paddr, u64 *size)
+{
+ return -ENODEV;
+}
+#endif
+
#endif /* _LINUX_OF_PRIVATE_H */