---
name: "ata_dev_enable_pm"
section: "9"
platform: "linux"
package: "linux-manual-2.6.32"
version: "2.6.32-48squeeze6"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/ata_dev_enable_pm"
---

# ata\_dev\_enable\_pm(9)

enable SATA interface power management

## 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.

## COPYRIGHT