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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-11-30 00:40:32 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-11-30 00:40:32 +0400 |
| commit | c8b6817103b23ed42114516fea901c2f61271506 (patch) | |
| tree | f3a54c55a37cfa02496de62c0f0b89f2a52dc219 /drivers/base/power/domain.c | |
| parent | 9489e9dcae718d5fde988e4a684a0f55b5f94d17 (diff) | |
| parent | 35546bd477146b75ae2a9ff2cb9bfcdb0f701015 (diff) | |
| download | linux-c8b6817103b23ed42114516fea901c2f61271506.tar.xz | |
Merge branch 'pm-qos'
* pm-qos:
PM / QoS: Handle device PM QoS flags while removing constraints
PM / QoS: Resume device before exposing/hiding PM QoS flags
PM / QoS: Document request manipulation requirement for flags
PM / QoS: Fix a free error in the dev_pm_qos_constraints_destroy()
PM / QoS: Fix the return value of dev_pm_qos_update_request()
PM / ACPI: Take device PM QoS flags into account
PM / Domains: Check device PM QoS flags in pm_genpd_poweroff()
PM / QoS: Make it possible to expose PM QoS device flags to user space
PM / QoS: Introduce PM QoS device flags support
PM / QoS: Prepare struct dev_pm_qos_request for more request types
PM / QoS: Introduce request and constraint data types for PM QoS flags
PM / QoS: Prepare device structure for adding more constraint types
Diffstat (limited to 'drivers/base/power/domain.c')
| -rw-r--r-- | drivers/base/power/domain.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 96b71b6536d6..acc3a8ded29d 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -470,10 +470,19 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) return -EBUSY; not_suspended = 0; - list_for_each_entry(pdd, &genpd->dev_list, list_node) + list_for_each_entry(pdd, &genpd->dev_list, list_node) { + enum pm_qos_flags_status stat; + + stat = dev_pm_qos_flags(pdd->dev, + PM_QOS_FLAG_NO_POWER_OFF + | PM_QOS_FLAG_REMOTE_WAKEUP); + if (stat > PM_QOS_FLAGS_NONE) + return -EBUSY; + if (pdd->dev->driver && (!pm_runtime_suspended(pdd->dev) || pdd->dev->power.irq_safe)) not_suspended++; + } if (not_suspended > genpd->in_progress) return -EBUSY; |