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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-06-04 10:40:33 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-06-04 10:40:33 +0200 |
| commit | 5b550c92d704ad4b5f1081c62d515a137d1c4bd2 (patch) | |
| tree | 16673522bc7fc5dfdb4502395191548599c0d86a /drivers/acpi | |
| parent | f1c7d00c15314c9e51a7b6ed51b5b23b384e2341 (diff) | |
| parent | 49072f97d4a3f8f44fe9677e3df94082b29b7e6f (diff) | |
| download | linux-5b550c92d704ad4b5f1081c62d515a137d1c4bd2.tar.gz | |
Merge branch 'pm-domains'
* pm-domains: PM / domains: Improve wording of dev_pm_domain_attach() comment PM / Domains: Don't return -EEXIST at attach when PM domain exists spi: Respect all error codes from dev_pm_domain_attach() soundwire: Respect all error codes from dev_pm_domain_attach() mmc: sdio: Respect all error codes from dev_pm_domain_attach() i2c: Respect all error codes from dev_pm_domain_attach() driver core: Respect all error codes from dev_pm_domain_attach() amba: Respect all error codes from dev_pm_domain_attach() PM / Domains: Allow a better error handling of dev_pm_domain_attach() PM / Domains: Check for existing PM domain in dev_pm_domain_attach() PM / Domains: Drop redundant code in genpd while attaching devices PM / Domains: Drop comment in genpd about legacy Samsung DT binding PM / Domains: Fix error path during attach in genpd
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/device_pm.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 3d96e4da2d98..a7c2673ffd36 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -1257,10 +1257,7 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) struct acpi_device *adev = ACPI_COMPANION(dev); if (!adev) - return -ENODEV; - - if (dev->pm_domain) - return -EEXIST; + return 0; /* * Only attach the power domain to the first device if the @@ -1268,7 +1265,7 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) * management twice. */ if (!acpi_device_is_first_physical_node(adev, dev)) - return -EBUSY; + return 0; acpi_add_pm_notifier(adev, dev, acpi_pm_notify_work_func); dev_pm_domain_set(dev, &acpi_general_pm_domain); @@ -1278,7 +1275,7 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) } dev->pm_domain->detach = acpi_dev_pm_detach; - return 0; + return 1; } EXPORT_SYMBOL_GPL(acpi_dev_pm_attach); #endif /* CONFIG_PM */ |