if (io > 0x1ff) { /* Check a single specified location. */
err = ni52_probe1(dev, io);
} else if (io > 0) { /* Don't probe at all. */
if (io > 0x1ff) { /* Check a single specified location. */
err = ni52_probe1(dev, io);
} else if (io > 0) { /* Don't probe at all. */