* @r_failed_dev: out parameter for failed device
*
* 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.
+ * Device Interface Power Management (DIPM) for min_power and
+ * medium_power_with_dipm policies, and then call driver specific
+ * callbacks for enabling Host Initiated Power management.
*
* LOCKING:
* EH context.
hints &= ~ATA_LPM_HIPM;
/* disable DIPM before changing link config */
- if (policy != ATA_LPM_MIN_POWER && dipm) {
+ if (policy < ATA_LPM_MED_POWER_WITH_DIPM && dipm) {
err_mask = ata_dev_set_feature(dev,
SETFEATURES_SATA_DISABLE, SATA_DIPM);
if (err_mask && err_mask != AC_ERR_DEV) {
/* host config updated, enable DIPM if transitioning to MIN_POWER */
ata_for_each_dev(dev, link, ENABLED) {
- if (policy == ATA_LPM_MIN_POWER && !no_dipm &&
+ if (policy >= ATA_LPM_MED_POWER_WITH_DIPM && !no_dipm &&
ata_id_has_dipm(dev->id)) {
err_mask = ata_dev_set_feature(dev,
SETFEATURES_SATA_ENABLE, SATA_DIPM);
};
static const char *ata_lpm_policy_names[] = {
- [ATA_LPM_UNKNOWN] = "max_performance",
- [ATA_LPM_MAX_POWER] = "max_performance",
- [ATA_LPM_MED_POWER] = "medium_power",
- [ATA_LPM_MIN_POWER] = "min_power",
+ [ATA_LPM_UNKNOWN] = "max_performance",
+ [ATA_LPM_MAX_POWER] = "max_performance",
+ [ATA_LPM_MED_POWER] = "medium_power",
+ [ATA_LPM_MED_POWER_WITH_DIPM] = "med_power_with_dipm",
+ [ATA_LPM_MIN_POWER] = "min_power",
};
static ssize_t ata_scsi_lpm_store(struct device *device,