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Commit afb46f79 authored by Rob Herring's avatar Rob Herring
Browse files

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: default avatarRob Herring <robh@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Tested-by: default avatarGrant Likely <grant.likely@linaro.org>
parent e1b77bae

arch/mips/ralink/of.c

+1 −24
Original line number Diff line number Diff line
@@ -52,30 +52,7 @@ __iomem void *plat_of_remap_node(const char *node) 


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)