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metag: use unflatten_and_copy_device_tree

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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>
This commit is contained in:
Rob Herring 2013-08-27 21:39:46 -05:00
parent 3104021c12
commit 08854f4180
2 changed files with 1 additions and 19 deletions
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16
arch/metag/kernel/devtree.c
View file

@ -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;
}
}

4
arch/metag/kernel/setup.c
View file

@ -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();