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path: root/drivers/ide/ide-io.c
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Diffstat (limited to 'drivers/ide/ide-io.c')
-rw-r--r--drivers/ide/ide-io.c38
1 files changed, 26 insertions, 12 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index c193553f6fe7..8670112f1d39 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -519,21 +519,24 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
519 if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ && hwif->err_stops_fifo == 0) 519 if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ && hwif->err_stops_fifo == 0)
520 try_to_flush_leftover_data(drive); 520 try_to_flush_leftover_data(drive);
521 521
522 if (rq->errors >= ERROR_MAX || blk_noretry_request(rq)) {
523 ide_kill_rq(drive, rq);
524 return ide_stopped;
525 }
526
522 if (hwif->INB(IDE_STATUS_REG) & (BUSY_STAT|DRQ_STAT)) 527 if (hwif->INB(IDE_STATUS_REG) & (BUSY_STAT|DRQ_STAT))
523 /* force an abort */ 528 rq->errors |= ERROR_RESET;
524 hwif->OUTB(WIN_IDLEIMMEDIATE, IDE_COMMAND_REG);
525 529
526 if (rq->errors >= ERROR_MAX || blk_noretry_request(rq)) 530 if ((rq->errors & ERROR_RESET) == ERROR_RESET) {
527 ide_kill_rq(drive, rq);
528 else {
529 if ((rq->errors & ERROR_RESET) == ERROR_RESET) {
530 ++rq->errors;
531 return ide_do_reset(drive);
532 }
533 if ((rq->errors & ERROR_RECAL) == ERROR_RECAL)
534 drive->special.b.recalibrate = 1;
535 ++rq->errors; 531 ++rq->errors;
532 return ide_do_reset(drive);
536 } 533 }
534
535 if ((rq->errors & ERROR_RECAL) == ERROR_RECAL)
536 drive->special.b.recalibrate = 1;
537
538 ++rq->errors;
539
537 return ide_stopped; 540 return ide_stopped;
538} 541}
539 542
@@ -1025,6 +1028,13 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
1025 if (!drive->special.all) { 1028 if (!drive->special.all) {
1026 ide_driver_t *drv; 1029 ide_driver_t *drv;
1027 1030
1031 /*
1032 * We reset the drive so we need to issue a SETFEATURES.
1033 * Do it _after_ do_special() restored device parameters.
1034 */
1035 if (drive->current_speed == 0xff)
1036 ide_config_drive_speed(drive, drive->desired_speed);
1037
1028 if (rq->cmd_type == REQ_TYPE_ATA_CMD || 1038 if (rq->cmd_type == REQ_TYPE_ATA_CMD ||
1029 rq->cmd_type == REQ_TYPE_ATA_TASK || 1039 rq->cmd_type == REQ_TYPE_ATA_TASK ||
1030 rq->cmd_type == REQ_TYPE_ATA_TASKFILE) 1040 rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
@@ -1216,6 +1226,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
1216#endif 1226#endif
1217 /* so that ide_timer_expiry knows what to do */ 1227 /* so that ide_timer_expiry knows what to do */
1218 hwgroup->sleeping = 1; 1228 hwgroup->sleeping = 1;
1229 hwgroup->req_gen_timer = hwgroup->req_gen;
1219 mod_timer(&hwgroup->timer, sleep); 1230 mod_timer(&hwgroup->timer, sleep);
1220 /* we purposely leave hwgroup->busy==1 1231 /* we purposely leave hwgroup->busy==1
1221 * while sleeping */ 1232 * while sleeping */
@@ -1401,7 +1412,8 @@ void ide_timer_expiry (unsigned long data)
1401 1412
1402 spin_lock_irqsave(&ide_lock, flags); 1413 spin_lock_irqsave(&ide_lock, flags);
1403 1414
1404 if ((handler = hwgroup->handler) == NULL) { 1415 if (((handler = hwgroup->handler) == NULL) ||
1416 (hwgroup->req_gen != hwgroup->req_gen_timer)) {
1405 /* 1417 /*
1406 * Either a marginal timeout occurred 1418 * Either a marginal timeout occurred
1407 * (got the interrupt just as timer expired), 1419 * (got the interrupt just as timer expired),
@@ -1429,6 +1441,7 @@ void ide_timer_expiry (unsigned long data)
1429 if ((wait = expiry(drive)) > 0) { 1441 if ((wait = expiry(drive)) > 0) {
1430 /* reset timer */ 1442 /* reset timer */
1431 hwgroup->timer.expires = jiffies + wait; 1443 hwgroup->timer.expires = jiffies + wait;
1444 hwgroup->req_gen_timer = hwgroup->req_gen;
1432 add_timer(&hwgroup->timer); 1445 add_timer(&hwgroup->timer);
1433 spin_unlock_irqrestore(&ide_lock, flags); 1446 spin_unlock_irqrestore(&ide_lock, flags);
1434 return; 1447 return;
@@ -1643,6 +1656,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
1643 printk(KERN_ERR "%s: ide_intr: hwgroup->busy was 0 ??\n", drive->name); 1656 printk(KERN_ERR "%s: ide_intr: hwgroup->busy was 0 ??\n", drive->name);
1644 } 1657 }
1645 hwgroup->handler = NULL; 1658 hwgroup->handler = NULL;
1659 hwgroup->req_gen++;
1646 del_timer(&hwgroup->timer); 1660 del_timer(&hwgroup->timer);
1647 spin_unlock(&ide_lock); 1661 spin_unlock(&ide_lock);
1648 1662