Messages in this thread Patch in this message | | | From | Rob Herring <> | Subject | [PATCH 02/20] mips: lantiq: copy built-in DTB out of init section | Date | Thu, 3 Apr 2014 17:16:45 -0500 |
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From: Rob Herring <robh@kernel.org>
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: Rob Herring <robh@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org --- arch/mips/lantiq/prom.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index 19686c5..cdea687 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -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) -- 1.8.3.2
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