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Date: Sat, 21 Oct 2023 18:02:25 +0800
From: kernel test robot <lkp@...el.com>
To: Sinan Kaya <okaya@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
"Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: drivers/acpi/sleep.c:516: warning: Function parameter or member
'acpi_state' not described in 'acpi_pm_start'
Hi Sinan,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9c5d00cb7b6bbc5a7965d9ab7d223b5402d1f02c
commit: 5d32a66541c4683456507481a0944ed2985e75c7 PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set
date: 4 years, 10 months ago
config: x86_64-alldefconfig (https://download.01.org/0day-ci/archive/20231021/202310211713.bpvKEcFt-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231021/202310211713.bpvKEcFt-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310211713.bpvKEcFt-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/acpi/sleep.c:516: warning: Function parameter or member 'acpi_state' not described in 'acpi_pm_start'
>> drivers/acpi/sleep.c:555: warning: Function parameter or member 'pm_state' not described in 'acpi_suspend_begin'
>> drivers/acpi/sleep.c:682: warning: Function parameter or member 'pm_state' not described in 'acpi_suspend_begin_old'
vim +516 drivers/acpi/sleep.c
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 511
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 512 /**
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 513 * acpi_pm_start - Start system PM transition.
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 514 */
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 515 static void acpi_pm_start(u32 acpi_state)
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 @516 {
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 517 acpi_target_sleep_state = acpi_state;
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 518 acpi_sleep_tts_switch(acpi_target_sleep_state);
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 519 acpi_scan_lock_acquire();
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 520 }
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 521
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 522 /**
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 523 * acpi_pm_end - Finish up system PM transition.
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 524 */
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 525 static void acpi_pm_end(void)
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 526 {
8ece1d83346bcc4 drivers/acpi/sleep.c Hans de Goede 2017-04-30 527 acpi_turn_off_unused_power_resources();
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 528 acpi_scan_lock_release();
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 529 /*
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 530 * This is necessary in case acpi_pm_finish() is not called during a
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 531 * failing transition to a sleep state.
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 532 */
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 533 acpi_target_sleep_state = ACPI_STATE_S0;
e49f711cc8f3bf8 drivers/acpi/sleep/main.c Zhao Yakui 2008-08-12 534 acpi_sleep_tts_switch(acpi_target_sleep_state);
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 535 }
92daa7b53b76984 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-10-23 536 #else /* !CONFIG_ACPI_SLEEP */
92daa7b53b76984 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-10-23 537 #define acpi_target_sleep_state ACPI_STATE_S0
71630b7a832f699 drivers/acpi/sleep.c Rafael J. Wysocki 2017-11-06 538 #define acpi_sleep_no_lps0 (false)
0ac1b1d7b7424cd drivers/acpi/sleep.c Zhang Rui 2012-11-30 539 static inline void acpi_sleep_dmi_check(void) {}
5d1e072b6b9cffe drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-10-22 540 #endif /* CONFIG_ACPI_SLEEP */
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 541
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 542 #ifdef CONFIG_SUSPEND
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 543 static u32 acpi_suspend_states[] = {
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 544 [PM_SUSPEND_ON] = ACPI_STATE_S0,
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 545 [PM_SUSPEND_STANDBY] = ACPI_STATE_S1,
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 546 [PM_SUSPEND_MEM] = ACPI_STATE_S3,
e2a5b420f716cd1 drivers/acpi/sleep/main.c Alexey Starikovskiy 2005-03-18 547 [PM_SUSPEND_MAX] = ACPI_STATE_S5
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 548 };
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 549
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 550 /**
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 551 * acpi_suspend_begin - Set the target system sleep state to the state
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 552 * associated with given @pm_state, if supported.
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 553 */
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 554 static int acpi_suspend_begin(suspend_state_t pm_state)
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 @555 {
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 556 u32 acpi_state = acpi_suspend_states[pm_state];
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 557 int error;
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 558
1bad2f19f7f79d1 drivers/acpi/sleep.c Kristen Carlson Accardi 2012-10-26 559 error = (nvs_nosave || nvs_nosave_s3) ? 0 : suspend_nvs_alloc();
2a6b69765ad7943 drivers/acpi/sleep.c Matthew Garrett 2010-05-28 560 if (error)
2a6b69765ad7943 drivers/acpi/sleep.c Matthew Garrett 2010-05-28 561 return error;
2a6b69765ad7943 drivers/acpi/sleep.c Matthew Garrett 2010-05-28 562
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 563 if (!sleep_states[acpi_state]) {
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 564 pr_err("ACPI does not support sleep state S%u\n", acpi_state);
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 565 return -ENOSYS;
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 566 }
ef25ba047601590 drivers/acpi/sleep.c Rafael J. Wysocki 2015-10-07 567 if (acpi_state > ACPI_STATE_S1)
ef25ba047601590 drivers/acpi/sleep.c Rafael J. Wysocki 2015-10-07 568 pm_set_suspend_via_firmware();
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 569
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 570 acpi_pm_start(acpi_state);
ad07277e82dedab drivers/acpi/sleep.c Rafael J. Wysocki 2013-08-20 571 return 0;
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 572 }
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 573
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 574 /**
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 575 * acpi_suspend_enter - Actually enter a sleep state.
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 576 * @pm_state: ignored
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 577 *
50ad147aa09c829 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-24 578 * Flush caches and go to sleep. For STR we have to call arch-specific
50ad147aa09c829 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-24 579 * assembly, which in turn call acpi_enter_sleep_state().
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 580 * It's unfortunate, but it works. Please fix if you're feeling frisky.
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 581 */
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 582 static int acpi_suspend_enter(suspend_state_t pm_state)
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 583 {
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 584 acpi_status status = AE_OK;
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 585 u32 acpi_state = acpi_target_sleep_state;
979f11b060c0b35 drivers/acpi/sleep.c Rafael J. Wysocki 2011-02-08 586 int error;
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 587
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 588 ACPI_FLUSH_CPU_CACHE();
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 589
bb3632c6101b2fa drivers/acpi/sleep.c Todd E Brandt 2014-06-06 590 trace_suspend_resume(TPS("acpi_suspend"), acpi_state, true);
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 591 switch (acpi_state) {
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 592 case ACPI_STATE_S1:
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 593 barrier();
3f6f49c7854c929 drivers/acpi/sleep.c Len Brown 2012-07-26 594 status = acpi_enter_sleep_state(acpi_state);
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 595 break;
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 596
e9b3aba887f47f9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2007-07-17 597 case ACPI_STATE_S3:
d6a77ead21b69c3 drivers/acpi/sleep.c Konrad Rzeszutek Wilk 2013-05-14 598 if (!acpi_suspend_lowlevel)
d6a77ead21b69c3 drivers/acpi/sleep.c Konrad Rzeszutek Wilk 2013-05-14 599 return -ENOSYS;
f1a2003e22f6b50 drivers/acpi/sleep.c Rafael J. Wysocki 2011-02-08 600 error = acpi_suspend_lowlevel();
979f11b060c0b35 drivers/acpi/sleep.c Rafael J. Wysocki 2011-02-08 601 if (error)
979f11b060c0b35 drivers/acpi/sleep.c Rafael J. Wysocki 2011-02-08 602 return error;
7a63f08b2b904d2 drivers/acpi/sleep.c Rafael J. Wysocki 2011-02-08 603 pr_info(PREFIX "Low-level resume complete\n");
ef25ba047601590 drivers/acpi/sleep.c Rafael J. Wysocki 2015-10-07 604 pm_set_resume_via_firmware();
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 605 break;
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 606 }
bb3632c6101b2fa drivers/acpi/sleep.c Todd E Brandt 2014-06-06 607 trace_suspend_resume(TPS("acpi_suspend"), acpi_state, false);
872d83d00f67021 drivers/acpi/sleep/main.c Arnaud Patard 2006-04-27 608
b6dacf63e9fb2e7 drivers/acpi/sleep.c Matthew Garrett 2010-05-11 609 /* This violates the spec but is required for bug compatibility. */
50ffba1bd3120b0 drivers/acpi/sleep.c Bob Moore 2009-02-23 610 acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
65df78473ffbf3b drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-11-26 611
3f6f49c7854c929 drivers/acpi/sleep.c Len Brown 2012-07-26 612 /* Reprogram control registers */
3f6f49c7854c929 drivers/acpi/sleep.c Len Brown 2012-07-26 613 acpi_leave_sleep_state_prep(acpi_state);
c95d47a868f35cd drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-01-08 614
23b168d425ca0ca drivers/acpi/sleep/main.c Pavel Machek 2008-02-05 615 /* ACPI 3.0 specs (P62) says that it's the responsibility
872d83d00f67021 drivers/acpi/sleep/main.c Arnaud Patard 2006-04-27 616 * of the OSPM to clear the status bit [ implying that the
872d83d00f67021 drivers/acpi/sleep/main.c Arnaud Patard 2006-04-27 617 * POWER_BUTTON event should not reach userspace ]
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 618 *
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 619 * However, we do generate a small hint for userspace in the form of
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 620 * a wakeup event. We flag this condition for now and generate the
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 621 * event later, as we're currently too early in resume to be able to
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 622 * generate wakeup events.
872d83d00f67021 drivers/acpi/sleep/main.c Arnaud Patard 2006-04-27 623 */
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 624 if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3)) {
51468a9d3a80249 drivers/acpi/sleep.c Al Stone 2013-11-20 625 acpi_event_status pwr_btn_status = ACPI_EVENT_FLAG_DISABLED;
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 626
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 627 acpi_get_event_status(ACPI_EVENT_POWER_BUTTON, &pwr_btn_status);
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 628
18864cc4892d207 drivers/acpi/sleep.c Lv Zheng 2016-08-04 629 if (pwr_btn_status & ACPI_EVENT_FLAG_STATUS_SET) {
872d83d00f67021 drivers/acpi/sleep/main.c Arnaud Patard 2006-04-27 630 acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 631 /* Flag for later */
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 632 pwr_btn_event_pending = true;
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 633 }
c10d7a13846bffa drivers/acpi/sleep.c Daniel Drake 2012-05-10 634 }
872d83d00f67021 drivers/acpi/sleep/main.c Arnaud Patard 2006-04-27 635
a3627f67b1d5ddd drivers/acpi/sleep/main.c Shaohua Li 2007-06-20 636 /*
a3627f67b1d5ddd drivers/acpi/sleep/main.c Shaohua Li 2007-06-20 637 * Disable and clear GPE status before interrupt is enabled. Some GPEs
a3627f67b1d5ddd drivers/acpi/sleep/main.c Shaohua Li 2007-06-20 638 * (like wakeup GPE) haven't handler, this can avoid such GPE misfire.
a3627f67b1d5ddd drivers/acpi/sleep/main.c Shaohua Li 2007-06-20 639 * acpi_leave_sleep_state will reenable specific GPEs later
a3627f67b1d5ddd drivers/acpi/sleep/main.c Shaohua Li 2007-06-20 640 */
3d97e426aa97d60 drivers/acpi/sleep/main.c Lin Ming 2008-12-16 641 acpi_disable_all_gpes();
d5a64513c6a1712 drivers/acpi/sleep.c Rafael J. Wysocki 2010-04-09 642 /* Allow EC transactions to happen. */
c2b46d679b30c5c drivers/acpi/sleep.c Lv Zheng 2016-08-03 643 acpi_ec_unblock_transactions();
a3627f67b1d5ddd drivers/acpi/sleep/main.c Shaohua Li 2007-06-20 644
2a6b69765ad7943 drivers/acpi/sleep.c Matthew Garrett 2010-05-28 645 suspend_nvs_restore();
2a6b69765ad7943 drivers/acpi/sleep.c Matthew Garrett 2010-05-28 646
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 647 return ACPI_SUCCESS(status) ? 0 : -EFAULT;
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 648 }
^1da177e4c3f415 drivers/acpi/sleep/main.c Linus Torvalds 2005-04-16 649
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 650 static int acpi_suspend_state_valid(suspend_state_t pm_state)
eb9289eb20df6b5 drivers/acpi/sleep/main.c Shaohua Li 2005-10-30 651 {
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 652 u32 acpi_state;
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 653
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 654 switch (pm_state) {
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 655 case PM_SUSPEND_ON:
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 656 case PM_SUSPEND_STANDBY:
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 657 case PM_SUSPEND_MEM:
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 658 acpi_state = acpi_suspend_states[pm_state];
eb9289eb20df6b5 drivers/acpi/sleep/main.c Shaohua Li 2005-10-30 659
eb9289eb20df6b5 drivers/acpi/sleep/main.c Shaohua Li 2005-10-30 660 return sleep_states[acpi_state];
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 661 default:
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 662 return 0;
e8c9c502690efd2 drivers/acpi/sleep/main.c Johannes Berg 2007-04-30 663 }
eb9289eb20df6b5 drivers/acpi/sleep/main.c Shaohua Li 2005-10-30 664 }
eb9289eb20df6b5 drivers/acpi/sleep/main.c Shaohua Li 2005-10-30 665
2f55ac072f53445 drivers/acpi/sleep.c Lionel Debroux 2010-11-16 666 static const struct platform_suspend_ops acpi_suspend_ops = {
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 667 .valid = acpi_suspend_state_valid,
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 668 .begin = acpi_suspend_begin,
6a7c7eaf71b636f drivers/acpi/sleep.c Rafael J. Wysocki 2009-04-19 669 .prepare_late = acpi_pm_prepare,
2c6e33c366bff2f drivers/acpi/sleep/main.c Len Brown 2008-04-23 670 .enter = acpi_suspend_enter,
618d7fd0d4e51a4 drivers/acpi/sleep.c Rafael J. Wysocki 2010-07-02 671 .wake = acpi_pm_finish,
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 672 .end = acpi_pm_end,
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 673 };
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 674
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 675 /**
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 676 * acpi_suspend_begin_old - Set the target system sleep state to the
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 677 * state associated with given @pm_state, if supported, and
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 678 * execute the _PTS control method. This function is used if the
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 679 * pre-ACPI 2.0 suspend ordering has been requested.
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 680 */
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 681 static int acpi_suspend_begin_old(suspend_state_t pm_state)
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 @682 {
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 683 int error = acpi_suspend_begin(pm_state);
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 684 if (!error)
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 685 error = __acpi_pm_prepare();
c5f7a1bb65bca03 drivers/acpi/sleep.c Rafael J. Wysocki 2010-07-02 686
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 687 return error;
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 688 }
d8f3de0d2412bb9 drivers/acpi/sleep/main.c Rafael J. Wysocki 2008-06-12 689
:::::: The code at line 516 was first introduced by commit
:::::: ad07277e82dedabacc52c82746633680a3187d25 ACPI / PM: Hold acpi_scan_lock over system PM transitions
:::::: TO: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
:::::: CC: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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