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-rw-r--r--drivers/acpi/processor_idle.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 644516d9bde6..45e3b81d6c29 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -785,6 +785,13 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
785 if (unlikely(!pr)) 785 if (unlikely(!pr))
786 return -EINVAL; 786 return -EINVAL;
787 787
788#ifdef CONFIG_HOTPLUG_CPU
789 if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) &&
790 !pr->flags.has_cst &&
791 !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
792 return acpi_idle_enter_c1(dev, drv, CPUIDLE_DRIVER_STATE_START);
793#endif
794
788 if (cx->entry_method == ACPI_CSTATE_FFH) { 795 if (cx->entry_method == ACPI_CSTATE_FFH) {
789 if (current_set_polling_and_test()) 796 if (current_set_polling_and_test())
790 return -EINVAL; 797 return -EINVAL;
@@ -831,6 +838,13 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
831 if (unlikely(!pr)) 838 if (unlikely(!pr))
832 return -EINVAL; 839 return -EINVAL;
833 840
841#ifdef CONFIG_HOTPLUG_CPU
842 if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) &&
843 !pr->flags.has_cst &&
844 !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
845 return acpi_idle_enter_c1(dev, drv, CPUIDLE_DRIVER_STATE_START);
846#endif
847
834 if (!cx->bm_sts_skip && acpi_idle_bm_check()) { 848 if (!cx->bm_sts_skip && acpi_idle_bm_check()) {
835 if (drv->safe_state_index >= 0) { 849 if (drv->safe_state_index >= 0) {
836 return drv->states[drv->safe_state_index].enter(dev, 850 return drv->states[drv->safe_state_index].enter(dev,
@@ -932,12 +946,6 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
932 if (!cx->valid) 946 if (!cx->valid)
933 continue; 947 continue;
934 948
935#ifdef CONFIG_HOTPLUG_CPU
936 if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) &&
937 !pr->flags.has_cst &&
938 !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
939 continue;
940#endif
941 per_cpu(acpi_cstate[count], dev->cpu) = cx; 949 per_cpu(acpi_cstate[count], dev->cpu) = cx;
942 950
943 count++; 951 count++;
@@ -987,13 +995,6 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
987 if (!cx->valid) 995 if (!cx->valid)
988 continue; 996 continue;
989 997
990#ifdef CONFIG_HOTPLUG_CPU
991 if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) &&
992 !pr->flags.has_cst &&
993 !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
994 continue;
995#endif
996
997 state = &drv->states[count]; 998 state = &drv->states[count];
998 snprintf(state->name, CPUIDLE_NAME_LEN, "C%d", i); 999 snprintf(state->name, CPUIDLE_NAME_LEN, "C%d", i);
999 strncpy(state->desc, cx->desc, CPUIDLE_DESC_LEN); 1000 strncpy(state->desc, cx->desc, CPUIDLE_DESC_LEN);