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arc: 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>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
Rob Herring 2013-08-26 11:23:27 -05:00
parent a8bf7527a2
commit 1efc959e0b
3 changed files with 1 additions and 18 deletions
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1
arch/arc/include/asm/mach_desc.h
View File

@ -82,6 +82,5 @@ __attribute__((__section__(".arch.info.init"))) = { \
};
extern struct machine_desc *setup_machine_fdt(void *dt);
extern void __init copy_devtree(void);
#endif

15
arch/arc/kernel/devtree.c
View File

@ -100,18 +100,3 @@ struct machine_desc * __init setup_machine_fdt(void *dt)
return mdesc_best;
}
/*
* Copy the flattened DT out of .init since unflattening doesn't copy strings
* and the normal DT APIs refs them from orig flat DT
*/
void __init copy_devtree(void)
{
void *alloc = early_init_dt_alloc_memory_arch(
be32_to_cpu(initial_boot_params->totalsize), 64);
if (alloc) {
memcpy(alloc, initial_boot_params,
be32_to_cpu(initial_boot_params->totalsize));
initial_boot_params = alloc;
}
}

3
arch/arc/kernel/setup.c
View File

@ -346,8 +346,7 @@ void __init setup_arch(char **cmdline_p)
setup_arch_memory();
/* copy flat DT out of .init and then unflatten it */
copy_devtree();
unflatten_device_tree();
unflatten_and_copy_device_tree();
/* Can be issue if someone passes cmd line arg "ro"
* But that is unlikely so keeping it as it is