ATA_DEVICE_OBS
tmp = ATA_DEVICE_OBS;
tmp = ATA_DEVICE_OBS | ATA_DEV1;
u8 tmp = ATA_DEVICE_OBS;
iowrite8(ATA_DEVICE_OBS, ap->ioaddr.device_addr);
tmp = ATA_DEVICE_OBS;
tmp = ATA_DEVICE_OBS | ATA_DEV1;
dev_reg = ATA_DEVICE_OBS;
dev_reg = ATA_DEVICE_OBS | ATA_DEV1;
iowrite32(ATA_DEVICE_OBS, ap->ioaddr.device_addr);
dev_reg = ATA_DEVICE_OBS;
dev_reg = ATA_DEVICE_OBS | ATA_DEV1;
fis.device = ATA_DEVICE_OBS;
fis.device = ATA_DEVICE_OBS;
tf->device = ATA_DEVICE_OBS;
tf->device = ATA_DEVICE_OBS | ATA_DEV1;