device_pm_set_parent(9)
NAME
device_pm_set_parent - Specify power dependency.
SYNOPSIS
void device_pm_set_parent(struct device * dev, struct device * parent);
ARGUMENTS
- dev
- Device who needs power.
- parent
- Device that supplies power.
DESCRIPTION
- This function is used to manually describe a power-depen
- dency relationship. It may be used to specify a transversal rela
- tionship (where the power supplier is not the physical (or elec
- trical) ancestor of a specific device. The effect of this is that
- the supplier will not be powered down before the power dependent.