ata_dev_enable_pm

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

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.