metag: use unflatten_and_copy_device_tree

Use the common unflatten_and_copy_device_tree to copy the built-in FDT
out of init section.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: James Hogan <james.hogan@imgtec.com>

diff --git a/arch/metag/kernel/devtree.c b/arch/metag/kernel/devtree.c
index 7cd0252..049af56 100644 (file)
--- a/arch/metag/kernel/devtree.c
+++ b/arch/metag/kernel/devtree.c
@@ -94,21 +94,5 @@ struct machine_desc * __init setup_machine_fdt(void *dt)
        of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
 
        return mdesc_best;
-}
 
-/**
- * copy_fdt - Copy device tree into non-init memory.
- *
- * We must copy the flattened device tree blob into non-init memory because the
- * unflattened device tree will reference the strings in it directly.
- */
-void __init copy_fdt(void)
-{
-       void *alloc = early_init_dt_alloc_memory_arch(
-                       be32_to_cpu(initial_boot_params->totalsize), 0x40);
-       if (alloc) {
-               memcpy(alloc, initial_boot_params,
-                      be32_to_cpu(initial_boot_params->totalsize));
-               initial_boot_params = alloc;
-       }
 }

diff --git a/arch/metag/kernel/setup.c b/arch/metag/kernel/setup.c
index c396cd0..2c697d3 100644 (file)
--- a/arch/metag/kernel/setup.c
+++ b/arch/metag/kernel/setup.c
@@ -408,9 +408,7 @@ void __init setup_arch(char **cmdline_p)
        cpu_2_hwthread_id[smp_processor_id()] = hard_processor_id();
        hwthread_id_2_cpu[hard_processor_id()] = smp_processor_id();
 
-       /* Copy device tree blob into non-init memory before unflattening */
-       copy_fdt();
-       unflatten_device_tree();
+       unflatten_and_copy_device_tree();
 
 #ifdef CONFIG_SMP
        smp_init_cpus();