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-rw-r--r--arch/arm/kernel/setup.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 3f65d0ac9f63..306bcd9844be 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -89,6 +89,7 @@ unsigned int cacheid __read_mostly;
EXPORT_SYMBOL(cacheid);
unsigned int __atags_pointer __initdata;
+void *atags_vaddr __initdata;
unsigned int system_rev;
EXPORT_SYMBOL(system_rev);
@@ -1081,19 +1082,22 @@ void __init hyp_mode_check(void)
void __init setup_arch(char **cmdline_p)
{
- const struct machine_desc *mdesc;
+ const struct machine_desc *mdesc = NULL;
+
+ if (__atags_pointer)
+ atags_vaddr = phys_to_virt(__atags_pointer);
setup_processor();
- mdesc = setup_machine_fdt(__atags_pointer);
+ if (atags_vaddr)
+ mdesc = setup_machine_fdt(atags_vaddr);
if (!mdesc)
- mdesc = setup_machine_tags(__atags_pointer, __machine_arch_type);
+ mdesc = setup_machine_tags(atags_vaddr, __machine_arch_type);
if (!mdesc) {
early_print("\nError: invalid dtb and unrecognized/unsupported machine ID\n");
early_print(" r1=0x%08x, r2=0x%08x\n", __machine_arch_type,
__atags_pointer);
if (__atags_pointer)
- early_print(" r2[]=%*ph\n", 16,
- phys_to_virt(__atags_pointer));
+ early_print(" r2[]=%*ph\n", 16, atags_vaddr);
dump_machine_table();
}