dt: add of_alias_scan and of_alias_get_id

The patch adds function of_alias_scan to populate a global lookup
table with the properties of 'aliases' node and function
of_alias_get_id for drivers to find alias id from the lookup table.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
[grant.likely: add locking and rework parse loop]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index c84d900fbbb3..b74b74ffe0e7 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -97,7 +97,6 @@ extern void early_init_dt_check_for_initrd(unsigned long node);
 extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
                                      int depth, void *data);
 extern void early_init_dt_add_memory_arch(u64 base, u64 size);
-extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align);
 extern u64 dt_mem_next_cell(int s, __be32 **cellp);
 
 /*