diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index a061aa3299ef..5558e9f7b85d 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1792,7 +1792,10 @@ static void ahci_update_initial_lpm_policy(struct ata_port *ap)
 	if ((ap->host->flags & ATA_HOST_NO_PART) &&
 	    (ap->host->flags & ATA_HOST_NO_SSC) &&
 	    (ap->host->flags & ATA_HOST_NO_DEVSLP)) {
-		ata_port_dbg(ap, "no LPM states supported, not enabling LPM\n");
+		ata_port_dbg(ap,
+			"No LPM states supported, forcing LPM max_power\n");
+		ap->flags |= ATA_FLAG_NO_LPM;
+		ap->target_lpm_policy = ATA_LPM_MAX_POWER;
 		return;
 	}