diff options
Diffstat (limited to 'arch/riscv/kernel/setup.c')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 2c6dd329312b..edea7ef88402 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -48,8 +48,9 @@ atomic_t hart_lottery __section(.sdata); unsigned long boot_cpu_hartid; static DEFINE_PER_CPU(struct cpu, cpu_devices); -void __init parse_dtb(void) +static void __init parse_dtb(void) { + /* Early scan of device tree from init memory */ if (early_init_dt_scan(dtb_early_va)) return; @@ -62,6 +63,7 @@ void __init parse_dtb(void) void __init setup_arch(char **cmdline_p) { + parse_dtb(); init_mm.start_code = (unsigned long) _stext; init_mm.end_code = (unsigned long) _etext; init_mm.end_data = (unsigned long) _edata; @@ -76,7 +78,10 @@ void __init setup_arch(char **cmdline_p) #if IS_ENABLED(CONFIG_BUILTIN_DTB) unflatten_and_copy_device_tree(); #else - unflatten_device_tree(); + if (early_init_dt_verify(__va(dtb_early_pa))) + unflatten_device_tree(); + else + pr_err("No DTB found in kernel mappings\n"); #endif #ifdef CONFIG_SWIOTLB |