diff options
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r-- | drivers/acpi/sleep.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 3fb4bdea7e06..5b7c52e4a00f 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c | |||
@@ -114,6 +114,8 @@ static int __acpi_pm_prepare(void) | |||
114 | { | 114 | { |
115 | int error = acpi_sleep_prepare(acpi_target_sleep_state); | 115 | int error = acpi_sleep_prepare(acpi_target_sleep_state); |
116 | 116 | ||
117 | suspend_nvs_save(); | ||
118 | |||
117 | if (error) | 119 | if (error) |
118 | acpi_target_sleep_state = ACPI_STATE_S0; | 120 | acpi_target_sleep_state = ACPI_STATE_S0; |
119 | return error; | 121 | return error; |
@@ -143,6 +145,9 @@ static void acpi_pm_finish(void) | |||
143 | { | 145 | { |
144 | u32 acpi_state = acpi_target_sleep_state; | 146 | u32 acpi_state = acpi_target_sleep_state; |
145 | 147 | ||
148 | suspend_nvs_free(); | ||
149 | acpi_ec_unblock_transactions(); | ||
150 | |||
146 | if (acpi_state == ACPI_STATE_S0) | 151 | if (acpi_state == ACPI_STATE_S0) |
147 | return; | 152 | return; |
148 | 153 | ||
@@ -192,6 +197,11 @@ static int acpi_suspend_begin(suspend_state_t pm_state) | |||
192 | u32 acpi_state = acpi_suspend_states[pm_state]; | 197 | u32 acpi_state = acpi_suspend_states[pm_state]; |
193 | int error = 0; | 198 | int error = 0; |
194 | 199 | ||
200 | error = suspend_nvs_alloc(); | ||
201 | |||
202 | if (error) | ||
203 | return error; | ||
204 | |||
195 | if (sleep_states[acpi_state]) { | 205 | if (sleep_states[acpi_state]) { |
196 | acpi_target_sleep_state = acpi_state; | 206 | acpi_target_sleep_state = acpi_state; |
197 | acpi_sleep_tts_switch(acpi_target_sleep_state); | 207 | acpi_sleep_tts_switch(acpi_target_sleep_state); |
@@ -269,12 +279,13 @@ static int acpi_suspend_enter(suspend_state_t pm_state) | |||
269 | if (acpi_state == ACPI_STATE_S3) | 279 | if (acpi_state == ACPI_STATE_S3) |
270 | acpi_restore_state_mem(); | 280 | acpi_restore_state_mem(); |
271 | 281 | ||
282 | suspend_nvs_restore(); | ||
283 | |||
272 | return ACPI_SUCCESS(status) ? 0 : -EFAULT; | 284 | return ACPI_SUCCESS(status) ? 0 : -EFAULT; |
273 | } | 285 | } |
274 | 286 | ||
275 | static void acpi_suspend_finish(void) | 287 | static void acpi_suspend_finish(void) |
276 | { | 288 | { |
277 | acpi_ec_unblock_transactions(); | ||
278 | acpi_pm_finish(); | 289 | acpi_pm_finish(); |
279 | } | 290 | } |
280 | 291 | ||
@@ -404,7 +415,7 @@ static int acpi_hibernation_begin(void) | |||
404 | { | 415 | { |
405 | int error; | 416 | int error; |
406 | 417 | ||
407 | error = s4_no_nvs ? 0 : hibernate_nvs_alloc(); | 418 | error = s4_no_nvs ? 0 : suspend_nvs_alloc(); |
408 | if (!error) { | 419 | if (!error) { |
409 | acpi_target_sleep_state = ACPI_STATE_S4; | 420 | acpi_target_sleep_state = ACPI_STATE_S4; |
410 | acpi_sleep_tts_switch(acpi_target_sleep_state); | 421 | acpi_sleep_tts_switch(acpi_target_sleep_state); |
@@ -418,7 +429,7 @@ static int acpi_hibernation_pre_snapshot(void) | |||
418 | int error = acpi_pm_prepare(); | 429 | int error = acpi_pm_prepare(); |
419 | 430 | ||
420 | if (!error) | 431 | if (!error) |
421 | hibernate_nvs_save(); | 432 | suspend_nvs_save(); |
422 | 433 | ||
423 | return error; | 434 | return error; |
424 | } | 435 | } |
@@ -441,13 +452,6 @@ static int acpi_hibernation_enter(void) | |||
441 | return ACPI_SUCCESS(status) ? 0 : -EFAULT; | 452 | return ACPI_SUCCESS(status) ? 0 : -EFAULT; |
442 | } | 453 | } |
443 | 454 | ||
444 | static void acpi_hibernation_finish(void) | ||
445 | { | ||
446 | hibernate_nvs_free(); | ||
447 | acpi_ec_unblock_transactions(); | ||
448 | acpi_pm_finish(); | ||
449 | } | ||
450 | |||
451 | static void acpi_hibernation_leave(void) | 455 | static void acpi_hibernation_leave(void) |
452 | { | 456 | { |
453 | /* | 457 | /* |
@@ -464,7 +468,7 @@ static void acpi_hibernation_leave(void) | |||
464 | panic("ACPI S4 hardware signature mismatch"); | 468 | panic("ACPI S4 hardware signature mismatch"); |
465 | } | 469 | } |
466 | /* Restore the NVS memory area */ | 470 | /* Restore the NVS memory area */ |
467 | hibernate_nvs_restore(); | 471 | suspend_nvs_restore(); |
468 | /* Allow EC transactions to happen. */ | 472 | /* Allow EC transactions to happen. */ |
469 | acpi_ec_unblock_transactions_early(); | 473 | acpi_ec_unblock_transactions_early(); |
470 | } | 474 | } |
@@ -479,7 +483,7 @@ static struct platform_hibernation_ops acpi_hibernation_ops = { | |||
479 | .begin = acpi_hibernation_begin, | 483 | .begin = acpi_hibernation_begin, |
480 | .end = acpi_pm_end, | 484 | .end = acpi_pm_end, |
481 | .pre_snapshot = acpi_hibernation_pre_snapshot, | 485 | .pre_snapshot = acpi_hibernation_pre_snapshot, |
482 | .finish = acpi_hibernation_finish, | 486 | .finish = acpi_pm_finish, |
483 | .prepare = acpi_pm_prepare, | 487 | .prepare = acpi_pm_prepare, |
484 | .enter = acpi_hibernation_enter, | 488 | .enter = acpi_hibernation_enter, |
485 | .leave = acpi_hibernation_leave, | 489 | .leave = acpi_hibernation_leave, |
@@ -507,7 +511,7 @@ static int acpi_hibernation_begin_old(void) | |||
507 | 511 | ||
508 | if (!error) { | 512 | if (!error) { |
509 | if (!s4_no_nvs) | 513 | if (!s4_no_nvs) |
510 | error = hibernate_nvs_alloc(); | 514 | error = suspend_nvs_alloc(); |
511 | if (!error) | 515 | if (!error) |
512 | acpi_target_sleep_state = ACPI_STATE_S4; | 516 | acpi_target_sleep_state = ACPI_STATE_S4; |
513 | } | 517 | } |
@@ -517,7 +521,7 @@ static int acpi_hibernation_begin_old(void) | |||
517 | static int acpi_hibernation_pre_snapshot_old(void) | 521 | static int acpi_hibernation_pre_snapshot_old(void) |
518 | { | 522 | { |
519 | acpi_pm_freeze(); | 523 | acpi_pm_freeze(); |
520 | hibernate_nvs_save(); | 524 | suspend_nvs_save(); |
521 | return 0; | 525 | return 0; |
522 | } | 526 | } |
523 | 527 | ||
@@ -529,8 +533,8 @@ static struct platform_hibernation_ops acpi_hibernation_ops_old = { | |||
529 | .begin = acpi_hibernation_begin_old, | 533 | .begin = acpi_hibernation_begin_old, |
530 | .end = acpi_pm_end, | 534 | .end = acpi_pm_end, |
531 | .pre_snapshot = acpi_hibernation_pre_snapshot_old, | 535 | .pre_snapshot = acpi_hibernation_pre_snapshot_old, |
532 | .finish = acpi_hibernation_finish, | ||
533 | .prepare = acpi_pm_freeze, | 536 | .prepare = acpi_pm_freeze, |
537 | .finish = acpi_pm_finish, | ||
534 | .enter = acpi_hibernation_enter, | 538 | .enter = acpi_hibernation_enter, |
535 | .leave = acpi_hibernation_leave, | 539 | .leave = acpi_hibernation_leave, |
536 | .pre_restore = acpi_pm_freeze, | 540 | .pre_restore = acpi_pm_freeze, |