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Message-ID: <202405310025.nOseddVa-lkp@intel.com>
Date: Fri, 31 May 2024 00:26:10 +0800
From: kernel test robot <lkp@...el.com>
To: Chen-Yu Tsai <wenst@...omium.org>, Frank Binns <frank.binns@...tec.com>,
Matt Coster <matt.coster@...tec.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: oe-kbuild-all@...ts.linux.dev, Chen-Yu Tsai <wenst@...omium.org>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
dri-devel@...ts.freedesktop.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] clk: mediatek: Add mt8173-mfgtop driver
Hi Chen-Yu,
kernel test robot noticed the following build errors:
[auto build test ERROR on 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0]
url: https://github.com/intel-lab-lkp/linux/commits/Chen-Yu-Tsai/dt-bindings-clock-mediatek-Add-mt8173-mfgtop/20240530-163739
base: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
patch link: https://lore.kernel.org/r/20240530083513.4135052-3-wenst%40chromium.org
patch subject: [PATCH 2/6] clk: mediatek: Add mt8173-mfgtop driver
config: arc-randconfig-002-20240530 (https://download.01.org/0day-ci/archive/20240531/202405310025.nOseddVa-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310025.nOseddVa-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/202405310025.nOseddVa-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/pmdomain/core.c: In function 'genpd_queue_power_off_work':
>> drivers/pmdomain/core.c:701:20: error: 'pm_wq' undeclared (first use in this function)
701 | queue_work(pm_wq, &genpd->power_off_work);
| ^~~~~
drivers/pmdomain/core.c:701:20: note: each undeclared identifier is reported only once for each function it appears in
drivers/pmdomain/core.c: In function 'genpd_dev_pm_qos_notifier':
>> drivers/pmdomain/core.c:900:39: error: 'struct dev_pm_info' has no member named 'ignore_children'
900 | if (!dev || dev->power.ignore_children)
| ^
--
drivers/pmdomain/governor.c: In function 'default_suspend_ok':
>> drivers/pmdomain/governor.c:87:24: error: 'struct dev_pm_info' has no member named 'ignore_children'
87 | if (!dev->power.ignore_children)
| ^
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for PM_GENERIC_DOMAINS
Depends on [n]: PM [=n]
Selected by [y]:
- COMMON_CLK_MT8173_MFGTOP [=y] && COMMON_CLK [=y] && (ARCH_MEDIATEK || COMPILE_TEST [=y]) && COMMON_CLK_MT8173 [=y]
vim +/pm_wq +701 drivers/pmdomain/core.c
c8f0ea45169c57 drivers/base/power/domain.c Geert Uytterhoeven 2014-11-10 691
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 692 /**
86e12eac1f7f84 drivers/base/power/domain.c Ulf Hansson 2016-12-08 693 * genpd_queue_power_off_work - Queue up the execution of genpd_power_off().
a3d09c73492e57 drivers/base/power/domain.c Moritz Fischer 2016-01-27 694 * @genpd: PM domain to power off.
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 695 *
86e12eac1f7f84 drivers/base/power/domain.c Ulf Hansson 2016-12-08 696 * Queue up the execution of genpd_power_off() unless it's already been done
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 697 * before.
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 698 */
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 699 static void genpd_queue_power_off_work(struct generic_pm_domain *genpd)
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 700 {
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 @701 queue_work(pm_wq, &genpd->power_off_work);
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 702 }
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 703
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 704 /**
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 705 * genpd_power_off - Remove power from a given PM domain.
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 706 * @genpd: PM domain to power down.
3c64649d1cf9f3 drivers/base/power/domain.c Ulf Hansson 2017-02-17 707 * @one_dev_on: If invoked from genpd's ->runtime_suspend|resume() callback, the
3c64649d1cf9f3 drivers/base/power/domain.c Ulf Hansson 2017-02-17 708 * RPM status of the releated device is in an intermediate state, not yet turned
3c64649d1cf9f3 drivers/base/power/domain.c Ulf Hansson 2017-02-17 709 * into RPM_SUSPENDED. This means genpd_power_off() must allow one device to not
3c64649d1cf9f3 drivers/base/power/domain.c Ulf Hansson 2017-02-17 710 * be RPM_SUSPENDED, while it tries to power off the PM domain.
763663c9715f5f drivers/base/power/domain.c Yang Yingliang 2021-05-12 711 * @depth: nesting count for lockdep.
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 712 *
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 713 * If all of the @genpd's devices have been suspended and all of its subdomains
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 714 * have been powered down, remove power from @genpd.
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 715 */
2da835452a0875 drivers/base/power/domain.c Ulf Hansson 2017-02-17 716 static int genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on,
2da835452a0875 drivers/base/power/domain.c Ulf Hansson 2017-02-17 717 unsigned int depth)
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 718 {
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 719 struct pm_domain_data *pdd;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 720 struct gpd_link *link;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 721 unsigned int not_suspended = 0;
f63816e43d9044 drivers/base/power/domain.c Ulf Hansson 2020-09-24 722 int ret;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 723
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 724 /*
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 725 * Do not try to power off the domain in the following situations:
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 726 * (1) The domain is already in the "power off" state.
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 727 * (2) System suspend is in progress.
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 728 */
41e2c8e0060db2 drivers/base/power/domain.c Ulf Hansson 2017-03-20 729 if (!genpd_status_on(genpd) || genpd->prepared_count > 0)
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 730 return 0;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 731
ffaa42e8a40b7f drivers/base/power/domain.c Ulf Hansson 2017-03-20 732 /*
ffaa42e8a40b7f drivers/base/power/domain.c Ulf Hansson 2017-03-20 733 * Abort power off for the PM domain in the following situations:
ffaa42e8a40b7f drivers/base/power/domain.c Ulf Hansson 2017-03-20 734 * (1) The domain is configured as always on.
ffaa42e8a40b7f drivers/base/power/domain.c Ulf Hansson 2017-03-20 735 * (2) When the domain has a subdomain being powered on.
ffaa42e8a40b7f drivers/base/power/domain.c Ulf Hansson 2017-03-20 736 */
ed61e18a4b4e44 drivers/base/power/domain.c Leonard Crestez 2019-04-30 737 if (genpd_is_always_on(genpd) ||
ed61e18a4b4e44 drivers/base/power/domain.c Leonard Crestez 2019-04-30 738 genpd_is_rpm_always_on(genpd) ||
ed61e18a4b4e44 drivers/base/power/domain.c Leonard Crestez 2019-04-30 739 atomic_read(&genpd->sd_count) > 0)
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 740 return -EBUSY;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 741
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 742 /*
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 743 * The children must be in their deepest (powered-off) states to allow
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 744 * the parent to be powered off. Note that, there's no need for
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 745 * additional locking, as powering on a child, requires the parent's
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 746 * lock to be acquired first.
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 747 */
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 748 list_for_each_entry(link, &genpd->parent_links, parent_node) {
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 749 struct generic_pm_domain *child = link->child;
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 750 if (child->state_idx < child->state_count - 1)
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 751 return -EBUSY;
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 752 }
e7d90cfac5510f drivers/base/power/domain.c Ulf Hansson 2022-02-17 753
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 754 list_for_each_entry(pdd, &genpd->dev_list, list_node) {
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 755 /*
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 756 * Do not allow PM domain to be powered off, when an IRQ safe
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 757 * device is part of a non-IRQ safe domain.
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 758 */
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 759 if (!pm_runtime_suspended(pdd->dev) ||
7a02444b8fc25a drivers/base/power/domain.c Ulf Hansson 2022-05-11 760 irq_safe_dev_in_sleep_domain(pdd->dev, genpd))
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 761 not_suspended++;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 762 }
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 763
3c64649d1cf9f3 drivers/base/power/domain.c Ulf Hansson 2017-02-17 764 if (not_suspended > 1 || (not_suspended == 1 && !one_dev_on))
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 765 return -EBUSY;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 766
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 767 if (genpd->gov && genpd->gov->power_down_ok) {
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 768 if (!genpd->gov->power_down_ok(&genpd->domain))
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 769 return -EAGAIN;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 770 }
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 771
2c9b7f8772033c drivers/base/power/domain.c Ulf Hansson 2018-10-03 772 /* Default to shallowest state. */
2c9b7f8772033c drivers/base/power/domain.c Ulf Hansson 2018-10-03 773 if (!genpd->gov)
2c9b7f8772033c drivers/base/power/domain.c Ulf Hansson 2018-10-03 774 genpd->state_idx = 0;
2c9b7f8772033c drivers/base/power/domain.c Ulf Hansson 2018-10-03 775
f63816e43d9044 drivers/base/power/domain.c Ulf Hansson 2020-09-24 776 /* Don't power off, if a child domain is waiting to power on. */
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 777 if (atomic_read(&genpd->sd_count) > 0)
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 778 return -EBUSY;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 779
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 780 ret = _genpd_power_off(genpd, true);
c6a113b52302ad drivers/base/power/domain.c Lina Iyer 2020-10-15 781 if (ret) {
c6a113b52302ad drivers/base/power/domain.c Lina Iyer 2020-10-15 782 genpd->states[genpd->state_idx].rejected++;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 783 return ret;
c6a113b52302ad drivers/base/power/domain.c Lina Iyer 2020-10-15 784 }
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 785
49f618e1b669ef drivers/base/power/domain.c Ulf Hansson 2020-09-24 786 genpd->status = GENPD_STATE_OFF;
afece3ab9a3640 drivers/base/power/domain.c Thara Gopinath 2017-07-14 787 genpd_update_accounting(genpd);
c6a113b52302ad drivers/base/power/domain.c Lina Iyer 2020-10-15 788 genpd->states[genpd->state_idx].usage++;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 789
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 790 list_for_each_entry(link, &genpd->child_links, child_node) {
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 791 genpd_sd_counter_dec(link->parent);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 792 genpd_lock_nested(link->parent, depth + 1);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 793 genpd_power_off(link->parent, false, depth + 1);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 794 genpd_unlock(link->parent);
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 795 }
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 796
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 797 return 0;
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 798 }
1f8728b7adc4c2 drivers/base/power/domain.c Ulf Hansson 2017-02-17 799
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 800 /**
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 801 * genpd_power_on - Restore power to a given PM domain and its parents.
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 802 * @genpd: PM domain to power up.
0106ef5146f9e8 drivers/base/power/domain.c Marek Szyprowski 2016-01-20 803 * @depth: nesting count for lockdep.
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 804 *
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 805 * Restore power to @genpd and all of its parents so that it is possible to
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 806 * resume a device belonging to it.
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 807 */
86e12eac1f7f84 drivers/base/power/domain.c Ulf Hansson 2016-12-08 808 static int genpd_power_on(struct generic_pm_domain *genpd, unsigned int depth)
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 809 {
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 810 struct gpd_link *link;
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 811 int ret = 0;
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 812
41e2c8e0060db2 drivers/base/power/domain.c Ulf Hansson 2017-03-20 813 if (genpd_status_on(genpd))
3f241775c30365 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 814 return 0;
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 815
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 816 /*
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 817 * The list is guaranteed not to change while the loop below is being
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 818 * executed, unless one of the parents' .power_on() callbacks fiddles
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 819 * with it.
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 820 */
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 821 list_for_each_entry(link, &genpd->child_links, child_node) {
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 822 struct generic_pm_domain *parent = link->parent;
0106ef5146f9e8 drivers/base/power/domain.c Marek Szyprowski 2016-01-20 823
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 824 genpd_sd_counter_inc(parent);
0106ef5146f9e8 drivers/base/power/domain.c Marek Szyprowski 2016-01-20 825
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 826 genpd_lock_nested(parent, depth + 1);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 827 ret = genpd_power_on(parent, depth + 1);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 828 genpd_unlock(parent);
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 829
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 830 if (ret) {
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 831 genpd_sd_counter_dec(parent);
9e08cf42969709 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 832 goto err;
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 833 }
5063ce1571b738 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 834 }
5248051b9afb66 drivers/base/power/domain.c Rafael J. Wysocki 2011-07-01 835
86e12eac1f7f84 drivers/base/power/domain.c Ulf Hansson 2016-12-08 836 ret = _genpd_power_on(genpd, true);
9e08cf42969709 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 837 if (ret)
9e08cf42969709 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 838 goto err;
0140d8bd47f798 drivers/base/power/domain.c Rafael J. Wysocki 2011-12-01 839
49f618e1b669ef drivers/base/power/domain.c Ulf Hansson 2020-09-24 840 genpd->status = GENPD_STATE_ON;
afece3ab9a3640 drivers/base/power/domain.c Thara Gopinath 2017-07-14 841 genpd_update_accounting(genpd);
afece3ab9a3640 drivers/base/power/domain.c Thara Gopinath 2017-07-14 842
3f241775c30365 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 843 return 0;
9e08cf42969709 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 844
9e08cf42969709 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 845 err:
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 846 list_for_each_entry_continue_reverse(link,
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 847 &genpd->child_links,
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 848 child_node) {
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 849 genpd_sd_counter_dec(link->parent);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 850 genpd_lock_nested(link->parent, depth + 1);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 851 genpd_power_off(link->parent, false, depth + 1);
8d87ae48ced2df drivers/base/power/domain.c Kees Cook 2020-07-08 852 genpd_unlock(link->parent);
29e47e2173349e drivers/base/power/domain.c Ulf Hansson 2015-09-02 853 }
9e08cf42969709 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 854
3f241775c30365 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 855 return ret;
3f241775c30365 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 856 }
3f241775c30365 drivers/base/power/domain.c Rafael J. Wysocki 2011-08-08 857
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 858 static int genpd_dev_pm_start(struct device *dev)
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 859 {
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 860 struct generic_pm_domain *genpd = dev_to_genpd(dev);
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 861
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 862 return genpd_start_dev(genpd, dev);
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 863 }
ea71c59669f17d drivers/base/power/domain.c Ulf Hansson 2019-10-16 864
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 865 static int genpd_dev_pm_qos_notifier(struct notifier_block *nb,
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 866 unsigned long val, void *ptr)
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 867 {
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 868 struct generic_pm_domain_data *gpd_data;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 869 struct device *dev;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 870
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 871 gpd_data = container_of(nb, struct generic_pm_domain_data, nb);
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 872 dev = gpd_data->base.dev;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 873
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 874 for (;;) {
f38d1a6d002526 drivers/base/power/domain.c Ulf Hansson 2022-05-11 875 struct generic_pm_domain *genpd = ERR_PTR(-ENODATA);
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 876 struct pm_domain_data *pdd;
66d29d802ef3bf drivers/base/power/domain.c Ulf Hansson 2022-05-11 877 struct gpd_timing_data *td;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 878
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 879 spin_lock_irq(&dev->power.lock);
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 880
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 881 pdd = dev->power.subsys_data ?
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 882 dev->power.subsys_data->domain_data : NULL;
b4883ca449473e drivers/base/power/domain.c Viresh Kumar 2017-05-16 883 if (pdd) {
66d29d802ef3bf drivers/base/power/domain.c Ulf Hansson 2022-05-11 884 td = to_gpd_data(pdd)->td;
f38d1a6d002526 drivers/base/power/domain.c Ulf Hansson 2022-05-11 885 if (td) {
66d29d802ef3bf drivers/base/power/domain.c Ulf Hansson 2022-05-11 886 td->constraint_changed = true;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 887 genpd = dev_to_genpd(dev);
f38d1a6d002526 drivers/base/power/domain.c Ulf Hansson 2022-05-11 888 }
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 889 }
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 890
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 891 spin_unlock_irq(&dev->power.lock);
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 892
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 893 if (!IS_ERR(genpd)) {
35241d12f750d2 drivers/base/power/domain.c Lina Iyer 2016-10-14 894 genpd_lock(genpd);
f38d1a6d002526 drivers/base/power/domain.c Ulf Hansson 2022-05-11 895 genpd->gd->max_off_time_changed = true;
35241d12f750d2 drivers/base/power/domain.c Lina Iyer 2016-10-14 896 genpd_unlock(genpd);
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 897 }
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 898
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 899 dev = dev->parent;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 @900 if (!dev || dev->power.ignore_children)
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 901 break;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 902 }
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 903
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 904 return NOTIFY_DONE;
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 905 }
6ff7bb0d02f829 drivers/base/power/domain.c Rafael J. Wysocki 2012-05-01 906
--
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