1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c
deleted file mode 100644
index a80a0f28f7b9..000000000000
--- a/drivers/ide/ide-park.c
+++ /dev/null
@@ -1,155 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/ide.h>
-#include <linux/jiffies.h>
-#include <linux/blkdev.h>
-
-DECLARE_WAIT_QUEUE_HEAD(ide_park_wq);
-
-static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct request_queue *q = drive->queue;
-	struct request *rq;
-	int rc;
-
-	timeout += jiffies;
-	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 && del_timer(&hwif->timer))
-			start_queue = 1;
-		spin_unlock_irq(&hwif->lock);
-
-		if (start_queue)
-			blk_mq_run_hw_queues(q, true);
-		return;
-	}
-	spin_unlock_irq(&hwif->lock);
-
-	rq = blk_get_request(q, REQ_OP_DRV_IN, 0);
-	scsi_req(rq)->cmd[0] = REQ_PARK_HEADS;
-	scsi_req(rq)->cmd_len = 1;
-	ide_req(rq)->type = ATA_PRIV_MISC;
-	ide_req(rq)->special = &timeout;
-	blk_execute_rq(NULL, rq, 1);
-	rc = scsi_req(rq)->result ? -EIO : 0;
-	blk_put_request(rq);
-	if (rc)
-		goto out;
-
-	/*
-	 * Make sure that *some* command is sent to the drive after the
-	 * timeout has expired, so power management will be reenabled.
-	 */
-	rq = blk_get_request(q, REQ_OP_DRV_IN, BLK_MQ_REQ_NOWAIT);
-	if (IS_ERR(rq))
-		goto out;
-
-	scsi_req(rq)->cmd[0] = REQ_UNPARK_HEADS;
-	scsi_req(rq)->cmd_len = 1;
-	ide_req(rq)->type = ATA_PRIV_MISC;
-	spin_lock_irq(&hwif->lock);
-	ide_insert_request_head(drive, rq);
-	spin_unlock_irq(&hwif->lock);
-
-out:
-	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 (scsi_req(rq)->cmd[0] == REQ_PARK_HEADS) {
-		drive->sleep = *(unsigned long *)ide_req(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_hwif_t *hwif = drive->hwif;
-	unsigned long now;
-	unsigned int msecs;
-
-	if (drive->dev_flags & IDE_DFLAG_NO_UNLOAD)
-		return -EOPNOTSUPP;
-
-	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(&hwif->lock);
-
-	return snprintf(buf, 20, "%u\n", msecs);
-}
-
-ssize_t ide_park_store(struct device *dev, struct device_attribute *attr,
-		       const char *buf, size_t len)
-{
-#define MAX_PARK_TIMEOUT 30000
-	ide_drive_t *drive = to_ide_device(dev);
-	long int input;
-	int rc;
-
-	rc = kstrtol(buf, 10, &input);
-	if (rc)
-		return rc;
-	if (input < -2)
-		return -EINVAL;
-	if (input > MAX_PARK_TIMEOUT) {
-		input = MAX_PARK_TIMEOUT;
-		rc = -EOVERFLOW;
-	}
-
-	mutex_lock(&ide_setting_mtx);
-	if (input >= 0) {
-		if (drive->dev_flags & IDE_DFLAG_NO_UNLOAD)
-			rc = -EOPNOTSUPP;
-		else if (input || drive->dev_flags & IDE_DFLAG_PARKED)
-			issue_park_cmd(drive, msecs_to_jiffies(input));
-	} else {
-		if (drive->media == ide_disk)
-			switch (input) {
-			case -1:
-				drive->dev_flags &= ~IDE_DFLAG_NO_UNLOAD;
-				break;
-			case -2:
-				drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
-				break;
-			}
-		else
-			rc = -EOPNOTSUPP;
-	}
-	mutex_unlock(&ide_setting_mtx);
-
-	return rc ? rc : len;
-}