diff options
Diffstat (limited to 'drivers/acpi/sleep')
-rw-r--r-- | drivers/acpi/sleep/main.c | 36 |
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 |
284 | static int acpi_hibernation_begin(void) | 284 | static 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 | ||
290 | static int acpi_hibernation_prepare(void) | 301 | static 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 | ||
304 | static int acpi_hibernation_enter(void) | 316 | static 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 | ||
344 | static void acpi_hibernation_end(void) | 357 | static 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 | ||
353 | static int acpi_hibernation_pre_restore(void) | 367 | static int acpi_hibernation_pre_restore(void) |