- struct hd_driveid *id = drive->id;
-
- drive->mult_count = 0;
- if (id->max_multsect) {
-#ifdef CONFIG_IDEDISK_MULTI_MODE
- id->multsect = ((id->max_multsect/2) > 1) ? id->max_multsect : 0;
- id->multsect_valid = id->multsect ? 1 : 0;
- drive->mult_req = id->multsect_valid ? id->max_multsect : 0;
- drive->special.b.set_multmode = drive->mult_req ? 1 : 0;
-#else /* original, pre IDE-NFG, per request of AC */
- drive->mult_req = 0;
- if (drive->mult_req > id->max_multsect)
- drive->mult_req = id->max_multsect;
- if (drive->mult_req || ((id->multsect_valid & 1) && id->multsect))
+ u16 *id = drive->id;
+ u8 max_multsect = id[ATA_ID_MAX_MULTSECT] & 0xff;
+
+ if (max_multsect) {
+ if ((max_multsect / 2) > 1)
+ id[ATA_ID_MULTSECT] = max_multsect | 0x100;
+ else
+ id[ATA_ID_MULTSECT] &= ~0x1ff;
+
+ drive->mult_req = id[ATA_ID_MULTSECT] & 0xff;
+
+ if (drive->mult_req)