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.
Returns
-EINVAL if IPM is not supported, 0 otherwise.