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PM / Domains: Don't return -EEXIST at attach when PM domain exists 

As dev_pm_domain_attach() isn't the only way to assign PM domain pointers
to devices, clearly we must allow a device to have the pointer already
being assigned. For this reason, return 0 instead of -EEXIST.

Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Ulf Hansson 2018-05-14 16:52:37 +02:00 committed by Rafael J. Wysocki
parent 71f277a7bf
commit 94ef9b8e2b
1 changed files with 1 additions and 1 deletions
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2
drivers/base/power/common.c
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@ -106,7 +106,7 @@ int dev_pm_domain_attach(struct device *dev, bool power_on)
int ret;
if (dev->pm_domain)
return -EEXIST;
return 0;
ret = acpi_dev_pm_attach(dev, power_on);
if (!ret)