mips: ralink: convert to use unflatten_and_copy_device_tree
The ralink FDT code can be simplified by using
unflatten_and_copy_device_tree function. This removes all accesses to
FDT header data by the arch code.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Tested-by: Grant Likely <grant.likely@linaro.org>
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index eccc552..0170d82 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -52,30 +52,7 @@
void __init device_tree_init(void)
{
- unsigned long base, size;
- void *fdt_copy;
-
- if (!initial_boot_params)
- return;
-
- base = virt_to_phys((void *)initial_boot_params);
- size = be32_to_cpu(initial_boot_params->totalsize);
-
- /* Before we do anything, lets reserve the dt blob */
- reserve_bootmem(base, size, BOOTMEM_DEFAULT);
-
- /* The strings in the flattened tree are referenced directly by the
- * device tree, so copy the flattened device tree from init memory
- * to regular memory.
- */
- fdt_copy = alloc_bootmem(size);
- memcpy(fdt_copy, initial_boot_params, size);
- initial_boot_params = fdt_copy;
-
- unflatten_device_tree();
-
- /* free the space reserved for the dt blob */
- free_bootmem(base, size);
+ unflatten_and_copy_device_tree();
}
void __init plat_mem_setup(void)