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path: root/drivers/acpi/sleep
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-rw-r--r--drivers/acpi/sleep/main.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 31e8e58e1cec..10db8991bd15 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -283,22 +283,34 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
283#ifdef CONFIG_HIBERNATION 283#ifdef CONFIG_HIBERNATION
284static int acpi_hibernation_begin(void) 284static int acpi_hibernation_begin(void)
285{ 285{
286 int error;
287
286 acpi_target_sleep_state = ACPI_STATE_S4; 288 acpi_target_sleep_state = ACPI_STATE_S4;
287 return 0; 289 if (new_pts_ordering)
290 return 0;
291
292 error = acpi_sleep_prepare(ACPI_STATE_S4);
293 if (error)
294 acpi_target_sleep_state = ACPI_STATE_S0;
295 else
296 acpi_sleep_finish_wake_up = true;
297
298 return error;
288} 299}
289 300
290static int acpi_hibernation_prepare(void) 301static int acpi_hibernation_prepare(void)
291{ 302{
292 int error; 303 if (new_pts_ordering) {
293 304 int error = acpi_sleep_prepare(ACPI_STATE_S4);
294 error = acpi_sleep_prepare(ACPI_STATE_S4);
295 if (error)
296 return error;
297 305
298 if (!ACPI_SUCCESS(acpi_hw_disable_all_gpes())) 306 if (error) {
299 error = -EFAULT; 307 acpi_target_sleep_state = ACPI_STATE_S0;
308 return error;
309 }
310 acpi_sleep_finish_wake_up = true;
311 }
300 312
301 return error; 313 return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT;
302} 314}
303 315
304static int acpi_hibernation_enter(void) 316static int acpi_hibernation_enter(void)
@@ -339,15 +351,17 @@ static void acpi_hibernation_finish(void)
339 acpi_set_firmware_waking_vector((acpi_physical_address) 0); 351 acpi_set_firmware_waking_vector((acpi_physical_address) 0);
340 352
341 acpi_target_sleep_state = ACPI_STATE_S0; 353 acpi_target_sleep_state = ACPI_STATE_S0;
354 acpi_sleep_finish_wake_up = false;
342} 355}
343 356
344static void acpi_hibernation_end(void) 357static void acpi_hibernation_end(void)
345{ 358{
346 /* 359 /*
347 * This is necessary in case acpi_hibernation_finish() is not called 360 * This is necessary in case acpi_hibernation_finish() is not called
348 * during a failing transition to the sleep state. 361 * directly during a failing transition to the sleep state.
349 */ 362 */
350 acpi_target_sleep_state = ACPI_STATE_S0; 363 if (acpi_sleep_finish_wake_up)
364 acpi_hibernation_finish();
351} 365}
352 366
353static int acpi_hibernation_pre_restore(void) 367static int acpi_hibernation_pre_restore(void)