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riscv: Add machine name to kernel boot log and stack dump output

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[ Upstream commit 46ad48e8a28da7cc37a16c7e7fc632ecf906e4bf ]

Add the machine name to kernel boot-up log, and install
the machine name to stack dump for DT boot mode.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Stable-dep-of: 10f6913c548b ("riscv: always honor the CONFIG_CMDLINE_FORCE when parsing dtb")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kefeng Wang 2020-11-25 19:44:15 +08:00 committed by Greg Kroah-Hartman
parent 7fba4a389d
commit 0e4c06ae7c
1 changed files with 8 additions and 1 deletions
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9
arch/riscv/kernel/setup.c
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@ -54,8 +54,15 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
static void __init parse_dtb(void)
{
/* Early scan of device tree from init memory */
if (early_init_dt_scan(dtb_early_va))
if (early_init_dt_scan(dtb_early_va)) {
const char *name = of_flat_dt_get_machine_name();
if (name) {
pr_info("Machine model: %s\n", name);
dump_stack_set_arch_desc("%s (DT)", name);
}
return;
}
pr_err("No DTB passed to the kernel\n");
#ifdef CONFIG_CMDLINE_FORCE