In device_tree_init(), unflatten_and_copy_device_tree() checks initial_boot_params, so remove the redundant check. drivers/of/fdt.c void __init unflatten_and_copy_device_tree(void) { int size; void *dt; if (!initial_boot_params) { pr_warn("No valid device tree found, continuing without\n"); return; } ... } Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> --- arch/mips/loongson64/setup.c | 3 --- arch/mips/pic32/pic32mzda/init.c | 3 --- 2 files changed, 6 deletions(-) diff --git a/arch/mips/loongson64/setup.c b/arch/mips/loongson64/setup.c index 6fe3fff..1973eb0 100644 --- a/arch/mips/loongson64/setup.c +++ b/arch/mips/loongson64/setup.c @@ -39,8 +39,5 @@ void __init plat_mem_setup(void) void __init device_tree_init(void) { - if (!initial_boot_params) - return; - unflatten_and_copy_device_tree(); } diff --git a/arch/mips/pic32/pic32mzda/init.c b/arch/mips/pic32/pic32mzda/init.c index 764f2d0..a1860f2 100644 --- a/arch/mips/pic32/pic32mzda/init.c +++ b/arch/mips/pic32/pic32mzda/init.c @@ -80,9 +80,6 @@ void __init prom_init(void) void __init device_tree_init(void) { - if (!initial_boot_params) - return; - unflatten_and_copy_device_tree(); } -- 2.1.0