of/flattree: Merge earlyinit_dt_scan_root()

Merge common code between PowerPC and Microblaze

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index ec2db8278c3f..828c3cdaea78 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -58,6 +58,8 @@ struct boot_param_header {
 };
 
 /* TBD: Temporary export of fdt globals - remove when code fully merged */
+extern int __initdata dt_root_addr_cells;
+extern int __initdata dt_root_size_cells;
 extern struct boot_param_header *initial_boot_params;
 
 /* For scanning the flat device-tree at boot time */
@@ -71,6 +73,10 @@ extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
 extern unsigned long of_get_flat_dt_root(void);
 extern void early_init_dt_check_for_initrd(unsigned long node);
 
+/* Early flat tree scan hooks */
+extern int early_init_dt_scan_root(unsigned long node, const char *uname,
+                                   int depth, void *data);
+
 /* Other Prototypes */
 extern void finish_device_tree(void);
 extern void unflatten_device_tree(void);