ATA_IDLE
ch->state = ATA_IDLE;
ch->state = ATA_IDLE;
if (ch->state == ATA_IDLE) {
if (ch->state == ATA_IDLE) {
ch->state = ATA_IDLE;
if (ch->state == ATA_IDLE && !dependencies) {
ch->state = ATA_IDLE;
ch->state = ATA_IDLE;