+ /*
+ * The exact sequence expected by certain pre-ATA4 drives is:
+ * SRST RESET
+ * IDENTIFY
+ * INITIALIZE DEVICE PARAMETERS
+ * anything else..
+ * Some drives were very specific about that exact sequence.
+ */
+ if (major_version < 4 || (!ata_id_has_lba(dev->id)))
+ ata_dev_init_params(ap, dev);
+
+ if (ata_id_has_lba(dev->id)) {
+ dev->flags |= ATA_DFLAG_LBA;
+
+ if (ata_id_has_lba48(dev->id)) {
+ dev->flags |= ATA_DFLAG_LBA48;
+ dev->n_sectors = ata_id_u64(dev->id, 100);
+ } else {
+ dev->n_sectors = ata_id_u32(dev->id, 60);
+ }
+
+ /* print device info to dmesg */
+ printk(KERN_INFO "ata%u: dev %u ATA-%d, max %s, %Lu sectors:%s\n",
+ ap->id, device,
+ major_version,
+ ata_mode_string(xfer_modes),
+ (unsigned long long)dev->n_sectors,
+ dev->flags & ATA_DFLAG_LBA48 ? " LBA48" : " LBA");
+ } else {
+ /* CHS */
+
+ /* Default translation */
+ dev->cylinders = dev->id[1];
+ dev->heads = dev->id[3];
+ dev->sectors = dev->id[6];
+ dev->n_sectors = dev->cylinders * dev->heads * dev->sectors;
+
+ if (ata_id_current_chs_valid(dev->id)) {
+ /* Current CHS translation is valid. */
+ dev->cylinders = dev->id[54];
+ dev->heads = dev->id[55];
+ dev->sectors = dev->id[56];
+
+ dev->n_sectors = ata_id_u32(dev->id, 57);
+ }
+
+ /* print device info to dmesg */
+ printk(KERN_INFO "ata%u: dev %u ATA-%d, max %s, %Lu sectors: CHS %d/%d/%d\n",
+ ap->id, device,
+ major_version,
+ ata_mode_string(xfer_modes),
+ (unsigned long long)dev->n_sectors,
+ (int)dev->cylinders, (int)dev->heads, (int)dev->sectors);