The ACPI bus scan will only result in acpi_processor_add() being called
if _STA has already been checked and the result is that the
processor is enabled and present. Hence drop this additional check.
Suggested-by: Rafael J. Wysocki <rafael@xxxxxxxxxx>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Reviewed-by: Hanjun Guo <guohanjun@xxxxxxxxxx>
Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>
Tested-by: Miguel Luis <miguel.luis@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
drivers/acpi/acpi_processor.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index b2f0b6c19482..161c95c9d60a 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -186,17 +186,11 @@ static void __init acpi_pcc_cpufreq_init(void) {}
#ifdef CONFIG_ACPI_HOTPLUG_CPU
static int acpi_processor_hotadd_init(struct acpi_processor *pr)
{
- unsigned long long sta;
- acpi_status status;
int ret;
if (invalid_phys_cpuid(pr->phys_id))
return -ENODEV;
- status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
- if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT))
- return -ENODEV;
-
cpu_maps_update_begin();
cpus_write_lock();
--
2.39.2
