static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout)
{
- ide_hwgroup_t *hwgroup = drive->hwif->hwgroup;
+ ide_hwif_t *hwif = drive->hwif;
struct request_queue *q = drive->queue;
struct request *rq;
int rc;
timeout += jiffies;
- spin_lock_irq(&hwgroup->lock);
+ spin_lock_irq(&hwif->lock);
if (drive->dev_flags & IDE_DFLAG_PARKED) {
int reset_timer = time_before(timeout, drive->sleep);
+ int start_queue = 0;
drive->sleep = timeout;
wake_up_all(&ide_park_wq);
- if (reset_timer && hwgroup->sleeping &&
- del_timer(&hwgroup->timer)) {
- hwgroup->sleeping = 0;
- ide_unlock_hwgroup(hwgroup);
- blk_start_queueing(q);
- }
- spin_unlock_irq(&hwgroup->lock);
+ if (reset_timer && del_timer(&hwif->timer))
+ start_queue = 1;
+ spin_unlock_irq(&hwif->lock);
+
+ if (start_queue)
+ blk_run_queue(q);
return;
}
- spin_unlock_irq(&hwgroup->lock);
+ spin_unlock_irq(&hwif->lock);
rq = blk_get_request(q, READ, __GFP_WAIT);
rq->cmd[0] = REQ_PARK_HEADS;
return;
}
+ide_startstop_t ide_do_park_unpark(ide_drive_t *drive, struct request *rq)
+{
+ struct ide_cmd cmd;
+ struct ide_taskfile *tf = &cmd.tf;
+
+ memset(&cmd, 0, sizeof(cmd));
+ if (rq->cmd[0] == REQ_PARK_HEADS) {
+ drive->sleep = *(unsigned long *)rq->special;
+ drive->dev_flags |= IDE_DFLAG_SLEEPING;
+ tf->command = ATA_CMD_IDLEIMMEDIATE;
+ tf->feature = 0x44;
+ tf->lbal = 0x4c;
+ tf->lbam = 0x4e;
+ tf->lbah = 0x55;
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
+ } else /* cmd == REQ_UNPARK_HEADS */
+ tf->command = ATA_CMD_CHK_POWER;
+
+ cmd.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
+ cmd.protocol = ATA_PROT_NODATA;
+
+ cmd.rq = rq;
+
+ return do_rw_taskfile(drive, &cmd);
+}
+
ssize_t ide_park_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
ide_drive_t *drive = to_ide_device(dev);
- ide_hwgroup_t *hwgroup = drive->hwif->hwgroup;
+ ide_hwif_t *hwif = drive->hwif;
unsigned long now;
unsigned int msecs;
if (drive->dev_flags & IDE_DFLAG_NO_UNLOAD)
return -EOPNOTSUPP;
- spin_lock_irq(&hwgroup->lock);
+ spin_lock_irq(&hwif->lock);
now = jiffies;
if (drive->dev_flags & IDE_DFLAG_PARKED &&
time_after(drive->sleep, now))
msecs = jiffies_to_msecs(drive->sleep - now);
else
msecs = 0;
- spin_unlock_irq(&hwgroup->lock);
+ spin_unlock_irq(&hwif->lock);
return snprintf(buf, 20, "%u\n", msecs);
}