ata_dev_enable_pm(9)
NAME
ata_dev_enable_pm - enable SATA interface power management
SYNOPSIS
void ata_dev_enable_pm(struct ata_device * dev, enum link_pm policy);
ARGUMENTS
- dev
- device to enable power management
- policy
- the link power management policy
DESCRIPTION
Enable SATA Interface power management. This will enable Device
Interface Power Management (DIPM) for min_power policy, and then call
driver specific callbacks for enabling Host Initiated Power management.
LOCKING
Caller.
RETURNS
-EINVAL if IPM is not supported, 0 otherwise.
AUTHOR
- Jeff Garzik
- Author.