+ int dma_stat, data_loss = 0;
+ static int retry = 0;
+
+ /* errata A308 workaround: Step5 (check data loss) */
+ /* We don't check non ide_disk because it is limited to UDMA4 */
+ if (!(in_be32((void __iomem *)IDE_ALTSTATUS_REG) & ERR_STAT) &&
+ drive->media == ide_disk && drive->current_speed > XFER_UDMA_4) {
+ reg = in_be32((void __iomem *)intsts_port);
+ if (!(reg & INTSTS_ACTEINT)) {
+ printk(KERN_WARNING "%s: operation failed (transfer data loss)\n",
+ drive->name);
+ data_loss = 1;
+ if (retry++) {
+ struct request *rq = HWGROUP(drive)->rq;
+ int unit;
+ /* ERROR_RESET and drive->crc_count are needed
+ * to reduce DMA transfer mode in retry process.
+ */
+ if (rq)
+ rq->errors |= ERROR_RESET;
+ for (unit = 0; unit < MAX_DRIVES; unit++) {
+ ide_drive_t *drive = &hwif->drives[unit];
+ drive->crc_count++;
+ }
+ }
+ }
+ }