From: Al Stone <ahs3@xxxxxxxxxx> Signed-off-by: Al Stone <al.stone@xxxxxxxxxx> --- drivers/acpi/processor_idle.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index e2bd0bf..262b84b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -290,7 +290,8 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * Check for P_LVL2_UP flag before entering C2 and above on * an SMP system. */ - if ((num_online_cpus() > 1) && + if (!acpi_gbl_reduced_hardware && + (num_online_cpus() > 1) && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) return -ENODEV; #endif @@ -965,7 +966,8 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr, continue; #ifdef CONFIG_HOTPLUG_CPU - if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && + if (!acpi_gbl_reduced_hardware && + (cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) continue; @@ -1020,7 +1022,8 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) continue; #ifdef CONFIG_HOTPLUG_CPU - if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && + if (!acpi_gbl_reduced_hardware && + (cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) continue; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
