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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 c193553f6fe..8670112f1d3 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
if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ && hwif->err_stops_fifo == 0)
try_to_flush_leftover_data(drive);
+ if (rq->errors >= ERROR_MAX || blk_noretry_request(rq)) {
+ ide_kill_rq(drive, rq);
+ return ide_stopped;
+ }
+
if (hwif->INB(IDE_STATUS_REG) & (BUSY_STAT|DRQ_STAT))
- /* force an abort */
- hwif->OUTB(WIN_IDLEIMMEDIATE, IDE_COMMAND_REG);
+ rq->errors |= ERROR_RESET;
- if (rq->errors >= ERROR_MAX || blk_noretry_request(rq))
- ide_kill_rq(drive, rq);
- else {
- if ((rq->errors & ERROR_RESET) == ERROR_RESET) {
- ++rq->errors;
- return ide_do_reset(drive);
- }
- if ((rq->errors & ERROR_RECAL) == ERROR_RECAL)
- drive->special.b.recalibrate = 1;
+ if ((rq->errors & ERROR_RESET) == ERROR_RESET) {
++rq->errors;
+ return ide_do_reset(drive);
}
+
+ if ((rq->errors & ERROR_RECAL) == ERROR_RECAL)
+ drive->special.b.recalibrate = 1;
+
+ ++rq->errors;
+
return ide_stopped;
}
@@ -1025,6 +1028,13 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
if (!drive->special.all) {
ide_driver_t *drv;
+ /*
+ * We reset the drive so we need to issue a SETFEATURES.
+ * Do it _after_ do_special() restored device parameters.
+ */
+ if (drive->current_speed == 0xff)
+ ide_config_drive_speed(drive, drive->desired_speed);
+
if (rq->cmd_type == REQ_TYPE_ATA_CMD ||
rq->cmd_type == REQ_TYPE_ATA_TASK ||
rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
@@ -1216,6 +1226,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
#endif
/* so that ide_timer_expiry knows what to do */
hwgroup->sleeping = 1;
+ hwgroup->req_gen_timer = hwgroup->req_gen;
mod_timer(&hwgroup->timer, sleep);
/* we purposely leave hwgroup->busy==1
* while sleeping */
@@ -1401,7 +1412,8 @@ void ide_timer_expiry (unsigned long data)
spin_lock_irqsave(&ide_lock, flags);
- if ((handler = hwgroup->handler) == NULL) {
+ if (((handler = hwgroup->handler) == NULL) ||
+ (hwgroup->req_gen != hwgroup->req_gen_timer)) {
/*
* Either a marginal timeout occurred
* (got the interrupt just as timer expired),
@@ -1429,6 +1441,7 @@ void ide_timer_expiry (unsigned long data)
if ((wait = expiry(drive)) > 0) {
/* reset timer */
hwgroup->timer.expires = jiffies + wait;
+ hwgroup->req_gen_timer = hwgroup->req_gen;
add_timer(&hwgroup->timer);
spin_unlock_irqrestore(&ide_lock, flags);
return;
@@ -1643,6 +1656,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
printk(KERN_ERR "%s: ide_intr: hwgroup->busy was 0 ??\n", drive->name);
}
hwgroup->handler = NULL;
+ hwgroup->req_gen++;
del_timer(&hwgroup->timer);
spin_unlock(&ide_lock);