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Commit 10fbdaab authored by Rob Herring's avatar Rob Herring
Browse files

mips: lantiq: copy built-in DTB out of init section 



The existing code is buggy because built-in DTBs are in init memory.
Fix this by using the 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 8c97cec9

arch/mips/lantiq/prom.c

+1 −12
Original line number Diff line number Diff line
@@ -76,18 +76,7 @@ void __init plat_mem_setup(void) 


void __init device_tree_init(void)

{

	unsigned long base, size;



	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);



	unflatten_device_tree();

	unflatten_and_copy_device_tree();

}



void __init prom_init(void)