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-rw-r--r--Documentation/power/runtime_pm.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index f49a33b704d2..6bb25cb24da9 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -38,7 +38,7 @@ struct dev_pm_ops {
38 ... 38 ...
39 int (*runtime_suspend)(struct device *dev); 39 int (*runtime_suspend)(struct device *dev);
40 int (*runtime_resume)(struct device *dev); 40 int (*runtime_resume)(struct device *dev);
41 void (*runtime_idle)(struct device *dev); 41 int (*runtime_idle)(struct device *dev);
42 ... 42 ...
43}; 43};
44 44
@@ -114,7 +114,8 @@ The action performed by a bus type's ->runtime_idle() callback is totally
114dependent on the bus type in question, but the expected and recommended action 114dependent on the bus type in question, but the expected and recommended action
115is to check if the device can be suspended (i.e. if all of the conditions 115is to check if the device can be suspended (i.e. if all of the conditions
116necessary for suspending the device are satisfied) and to queue up a suspend 116necessary for suspending the device are satisfied) and to queue up a suspend
117request for the device in that case. 117request for the device in that case. The value returned by this callback is
118ignored by the PM core.
118 119
119The helper functions provided by the PM core, described in Section 4, guarantee 120The helper functions provided by the PM core, described in Section 4, guarantee
120that the following constraints are met with respect to the bus type's run-time 121that the following constraints are met with respect to the bus type's run-time