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path: root/drivers/acpi/processor_idle.c
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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 73b2909dddfe..0e8e2de2ed3e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -224,7 +224,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
224/* 224/*
225 * Suspend / resume control 225 * Suspend / resume control
226 */ 226 */
227static int acpi_idle_suspend;
228static u32 saved_bm_rld; 227static u32 saved_bm_rld;
229 228
230static void acpi_idle_bm_rld_save(void) 229static void acpi_idle_bm_rld_save(void)
@@ -243,21 +242,13 @@ static void acpi_idle_bm_rld_restore(void)
243 242
244int acpi_processor_suspend(struct acpi_device * device, pm_message_t state) 243int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
245{ 244{
246 if (acpi_idle_suspend == 1)
247 return 0;
248
249 acpi_idle_bm_rld_save(); 245 acpi_idle_bm_rld_save();
250 acpi_idle_suspend = 1;
251 return 0; 246 return 0;
252} 247}
253 248
254int acpi_processor_resume(struct acpi_device * device) 249int acpi_processor_resume(struct acpi_device * device)
255{ 250{
256 if (acpi_idle_suspend == 0)
257 return 0;
258
259 acpi_idle_bm_rld_restore(); 251 acpi_idle_bm_rld_restore();
260 acpi_idle_suspend = 0;
261 return 0; 252 return 0;
262} 253}
263 254
@@ -763,13 +754,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
763 754
764 local_irq_disable(); 755 local_irq_disable();
765 756
766 /* Do not access any ACPI IO ports in suspend path */
767 if (acpi_idle_suspend) {
768 local_irq_enable();
769 cpu_relax();
770 return -EINVAL;
771 }
772
773 lapic_timer_state_broadcast(pr, cx, 1); 757 lapic_timer_state_broadcast(pr, cx, 1);
774 kt1 = ktime_get_real(); 758 kt1 = ktime_get_real();
775 acpi_idle_do_entry(cx); 759 acpi_idle_do_entry(cx);
@@ -810,13 +794,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
810 794
811 local_irq_disable(); 795 local_irq_disable();
812 796
813 if (acpi_idle_suspend) {
814 local_irq_enable();
815 cpu_relax();
816 return -EINVAL;
817 }
818
819
820 if (cx->entry_method != ACPI_CSTATE_FFH) { 797 if (cx->entry_method != ACPI_CSTATE_FFH) {
821 current_thread_info()->status &= ~TS_POLLING; 798 current_thread_info()->status &= ~TS_POLLING;
822 /* 799 /*
@@ -895,12 +872,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
895 if (unlikely(!pr)) 872 if (unlikely(!pr))
896 return -EINVAL; 873 return -EINVAL;
897 874
898
899 if (acpi_idle_suspend) {
900 cpu_relax();
901 return -EINVAL;
902 }
903
904 if (!cx->bm_sts_skip && acpi_idle_bm_check()) { 875 if (!cx->bm_sts_skip && acpi_idle_bm_check()) {
905 if (drv->safe_state_index >= 0) { 876 if (drv->safe_state_index >= 0) {
906 return drv->states[drv->safe_state_index].enter(dev, 877 return drv->states[drv->safe_state_index].enter(dev,