ata_wait
if (ata_wait(ch, atadev, (ATA_S_READY | ATA_S_DRQ)) < 0) {
if (ata_wait(ch, atadev, flags) < 0) {
if (ata_wait(ch, atadev, (ATA_S_READY | ATA_S_DRQ)) < 0) {
static int ata_wait(struct ata_channel *ch, struct ata_device *, u_int8_t);
if (ata_wait(ch, atadev, 0) < 0) {