Multiple APs are brought up simultaneously and they may get the same seq num in the uclass_resolve_seq() during device_probe(). To avoid this, set req_seq to the reg number in the device tree in advance.

Signed-off-by: Bin Meng bmeng.cn@gmail.com ---

arch/x86/cpu/mp_init.c | 7 +++++++ 1 file changed, 7 insertions(+)

diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c index 3294a50..4334f5b 100644 --- a/arch/x86/cpu/mp_init.c +++ b/arch/x86/cpu/mp_init.c @@ -515,5 +515,12 @@ int mp_init(struct mp_params *p)

int mp_init_cpu(struct udevice *cpu, void *unused) { + /* + * Multiple APs are brought up simultaneously and they may get the same + * seq num in the uclass_resolve_seq() during device_probe(). To avoid + * this, set req_seq to the reg number in the device tree in advance. + */ + cpu->req_seq = fdtdec_get_int(gd->fdt_blob, cpu->of_offset, "reg", -1); + return device_probe(cpu); }