X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fide%2Fide-cd.c;h=ddfbea41d296a738a1efb5ace07b22b9a7dff2ad;hb=ef8b6bcb39559d956f897acf7ebe600d5105d479;hp=34a1aeaa15dd9bd4873731b53aef839348e57a98;hpb=1e874f448365b80e69b8a60b8b575b17f00811f3;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 34a1aea..ddfbea4 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -23,6 +23,9 @@
  *	Documentation/ide/ChangeLog.ide-cd.1994-2004
  */
 
+#define DRV_NAME "ide-cd"
+#define PFX DRV_NAME ": "
+
 #define IDECD_VERSION "5.00"
 
 #include <linux/module.h>
@@ -52,24 +55,19 @@
 
 static DEFINE_MUTEX(idecd_ref_mutex);
 
-#define to_ide_cd(obj) container_of(obj, struct cdrom_info, kref)
-
-#define ide_cd_g(disk) \
-	container_of((disk)->private_data, struct cdrom_info, driver)
-
-static void ide_cd_release(struct kref *);
+static void ide_cd_release(struct device *);
 
 static struct cdrom_info *ide_cd_get(struct gendisk *disk)
 {
 	struct cdrom_info *cd = NULL;
 
 	mutex_lock(&idecd_ref_mutex);
-	cd = ide_cd_g(disk);
+	cd = ide_drv_g(disk, cdrom_info);
 	if (cd) {
 		if (ide_device_get(cd->drive))
 			cd = NULL;
 		else
-			kref_get(&cd->kref);
+			get_device(&cd->dev);
 
 	}
 	mutex_unlock(&idecd_ref_mutex);
@@ -81,7 +79,7 @@ static void ide_cd_put(struct cdrom_info *cd)
 	ide_drive_t *drive = cd->drive;
 
 	mutex_lock(&idecd_ref_mutex);
-	kref_put(&cd->kref, ide_cd_release);
+	put_device(&cd->dev);
 	ide_device_put(drive);
 	mutex_unlock(&idecd_ref_mutex);
 }
@@ -93,7 +91,7 @@ static void ide_cd_put(struct cdrom_info *cd)
 /* Mark that we've seen a media change and invalidate our internal buffers. */
 static void cdrom_saw_media_change(ide_drive_t *drive)
 {
-	drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
+	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 	drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;
 }
 
@@ -102,6 +100,9 @@ static int cdrom_log_sense(ide_drive_t *drive, struct request *rq,
 {
 	int log = 0;
 
+	ide_debug_log(IDE_DBG_SENSE, "Call %s, sense_key: 0x%x\n", __func__,
+		      sense->sense_key);
+
 	if (!sense || !rq || (rq->cmd_flags & REQ_QUIET))
 		return 0;
 
@@ -150,6 +151,14 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive,
 	unsigned long bio_sectors;
 	struct cdrom_info *info = drive->driver_data;
 
+	ide_debug_log(IDE_DBG_SENSE, "Call %s, error_code: 0x%x, "
+			"sense_key: 0x%x\n", __func__, sense->error_code,
+			sense->sense_key);
+
+	if (failed_command)
+		ide_debug_log(IDE_DBG_SENSE, "%s: failed cmd: 0x%x\n",
+				__func__, failed_command->cmd[0]);
+
 	if (!cdrom_log_sense(drive, failed_command, sense))
 		return;
 
@@ -185,6 +194,14 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive,
 			bio_sectors = max(bio_sectors(failed_command->bio), 4U);
 			sector &= ~(bio_sectors - 1);
 
+			/*
+			 * The SCSI specification allows for the value
+			 * returned by READ CAPACITY to be up to 75 2K
+			 * sectors past the last readable block.
+			 * Therefore, if we hit a medium error within the
+			 * last 75 2K sectors, we decrease the saved size
+			 * value.
+			 */
 			if (sector < get_capacity(info->disk) &&
 			    drive->probed_capacity - sector < 4 * 75)
 				set_capacity(info->disk, sector);
@@ -200,6 +217,8 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense,
 	struct cdrom_info *info		= drive->driver_data;
 	struct request *rq		= &info->request_sense_request;
 
+	ide_debug_log(IDE_DBG_SENSE, "Call %s\n", __func__);
+
 	if (sense == NULL)
 		sense = &info->sense_data;
 
@@ -219,14 +238,22 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense,
 	/* NOTE! Save the failed command in "rq->buffer" */
 	rq->buffer = (void *) failed_command;
 
+	if (failed_command)
+		ide_debug_log(IDE_DBG_SENSE, "failed_cmd: 0x%x\n",
+			      failed_command->cmd[0]);
+
 	ide_do_drive_cmd(drive, rq);
 }
 
 static void cdrom_end_request(ide_drive_t *drive, int uptodate)
 {
-	struct request *rq = HWGROUP(drive)->rq;
+	struct request *rq = drive->hwif->rq;
 	int nsectors = rq->hard_cur_sectors;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s, cmd: 0x%x, uptodate: 0x%x, "
+		      "nsectors: %d\n", __func__, rq->cmd[0], uptodate,
+		      nsectors);
+
 	if (blk_sense_request(rq) && uptodate) {
 		/*
 		 * For REQ_TYPE_SENSE, "rq->buffer" points to the original
@@ -235,7 +262,6 @@ static void cdrom_end_request(ide_drive_t *drive, int uptodate)
 		struct request *failed = (struct request *) rq->buffer;
 		struct cdrom_info *info = drive->driver_data;
 		void *sense = &info->sense_data;
-		unsigned long flags;
 
 		if (failed) {
 			if (failed->sense) {
@@ -251,11 +277,9 @@ static void cdrom_end_request(ide_drive_t *drive, int uptodate)
 						failed->hard_nr_sectors))
 					BUG();
 			} else {
-				spin_lock_irqsave(&ide_lock, flags);
-				if (__blk_end_request(failed, -EIO,
-						      failed->data_len))
+				if (blk_end_request(failed, -EIO,
+						    failed->data_len))
 					BUG();
-				spin_unlock_irqrestore(&ide_lock, flags);
 			}
 		} else
 			cdrom_analyze_sense_data(drive, NULL, sense);
@@ -269,6 +293,9 @@ static void cdrom_end_request(ide_drive_t *drive, int uptodate)
 	if (!nsectors)
 		nsectors = 1;
 
+	ide_debug_log(IDE_DBG_FUNC, "Exit %s, uptodate: 0x%x, nsectors: %d\n",
+		      __func__, uptodate, nsectors);
+
 	ide_end_request(drive, uptodate, nsectors);
 }
 
@@ -287,7 +314,7 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 st)
 static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 {
 	ide_hwif_t *hwif = drive->hwif;
-	struct request *rq = hwif->hwgroup->rq;
+	struct request *rq = hwif->rq;
 	int stat, err, sense_key;
 
 	/* check for errors */
@@ -304,11 +331,15 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 	sense_key = err >> 4;
 
 	if (rq == NULL) {
-		printk(KERN_ERR "%s: missing rq in %s\n",
+		printk(KERN_ERR PFX "%s: missing rq in %s\n",
 				drive->name, __func__);
 		return 1;
 	}
 
+	ide_debug_log(IDE_DBG_RQ, "%s: stat: 0x%x, good_stat: 0x%x, "
+		      "rq->cmd[0]: 0x%x, rq->cmd_type: 0x%x, err: 0x%x\n",
+		      __func__, stat, good_stat, rq->cmd[0], rq->cmd_type, err);
+
 	if (blk_sense_request(rq)) {
 		/*
 		 * We got an error trying to get sense info from the drive
@@ -374,7 +405,8 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 				cdrom_saw_media_change(drive);
 
 				/* fail the request */
-				printk(KERN_ERR "%s: tray open\n", drive->name);
+				printk(KERN_ERR PFX "%s: tray open\n",
+						drive->name);
 				do_end_request = 1;
 			} else {
 				struct cdrom_info *info = drive->driver_data;
@@ -391,16 +423,17 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 				if (time_after(jiffies, info->write_timeout))
 					do_end_request = 1;
 				else {
+					struct request_queue *q = drive->queue;
 					unsigned long flags;
 
 					/*
 					 * take a breather relying on the unplug
 					 * timer to kick us again
 					 */
-					spin_lock_irqsave(&ide_lock, flags);
-					blk_plug_device(drive->queue);
-					spin_unlock_irqrestore(&ide_lock,
-								flags);
+					spin_lock_irqsave(q->queue_lock, flags);
+					blk_plug_device(q);
+					spin_unlock_irqrestore(q->queue_lock, flags);
+
 					return 1;
 				}
 			}
@@ -460,7 +493,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 		if (stat & ATA_ERR)
 			cdrom_queue_request_sense(drive, NULL, NULL);
 	} else {
-		blk_dump_rq_flags(rq, "ide-cd: bad rq");
+		blk_dump_rq_flags(rq, PFX "bad rq");
 		cdrom_end_request(drive, 0);
 	}
 
@@ -469,12 +502,14 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 
 end_request:
 	if (stat & ATA_ERR) {
+		struct request_queue *q = drive->queue;
 		unsigned long flags;
 
-		spin_lock_irqsave(&ide_lock, flags);
+		spin_lock_irqsave(q->queue_lock, flags);
 		blkdev_dequeue_request(rq);
-		HWGROUP(drive)->rq = NULL;
-		spin_unlock_irqrestore(&ide_lock, flags);
+		spin_unlock_irqrestore(q->queue_lock, flags);
+
+		hwif->rq = NULL;
 
 		cdrom_queue_request_sense(drive, rq->sense, rq);
 	} else
@@ -483,128 +518,6 @@ end_request:
 	return 1;
 }
 
-static int cdrom_timer_expiry(ide_drive_t *drive)
-{
-	struct request *rq = HWGROUP(drive)->rq;
-	unsigned long wait = 0;
-
-	/*
-	 * Some commands are *slow* and normally take a long time to complete.
-	 * Usually we can use the ATAPI "disconnect" to bypass this, but not all
-	 * commands/drives support that. Let ide_timer_expiry keep polling us
-	 * for these.
-	 */
-	switch (rq->cmd[0]) {
-	case GPCMD_BLANK:
-	case GPCMD_FORMAT_UNIT:
-	case GPCMD_RESERVE_RZONE_TRACK:
-	case GPCMD_CLOSE_TRACK:
-	case GPCMD_FLUSH_CACHE:
-		wait = ATAPI_WAIT_PC;
-		break;
-	default:
-		if (!(rq->cmd_flags & REQ_QUIET))
-			printk(KERN_INFO "ide-cd: cmd 0x%x timed out\n",
-					 rq->cmd[0]);
-		wait = 0;
-		break;
-	}
-	return wait;
-}
-
-/*
- * Set up the device registers for transferring a packet command on DEV,
- * expecting to later transfer XFERLEN bytes.  HANDLER is the routine
- * which actually transfers the command to the drive.  If this is a
- * drq_interrupt device, this routine will arrange for HANDLER to be
- * called when the interrupt from the drive arrives.  Otherwise, HANDLER
- * will be called immediately after the drive is prepared for the transfer.
- */
-static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
-						  int xferlen,
-						  ide_handler_t *handler)
-{
-	struct cdrom_info *info = drive->driver_data;
-	ide_hwif_t *hwif = drive->hwif;
-
-	/* FIXME: for Virtual DMA we must check harder */
-	if (info->dma)
-		info->dma = !hwif->dma_ops->dma_setup(drive);
-
-	/* set up the controller registers */
-	ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL,
-			   xferlen, info->dma);
-
-	if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
-		/* waiting for CDB interrupt, not DMA yet. */
-		if (info->dma)
-			drive->waiting_for_dma = 0;
-
-		/* packet command */
-		ide_execute_command(drive, ATA_CMD_PACKET, handler,
-				    ATAPI_WAIT_PC, cdrom_timer_expiry);
-		return ide_started;
-	} else {
-		ide_execute_pkt_cmd(drive);
-
-		return (*handler) (drive);
-	}
-}
-
-/*
- * Send a packet command to DRIVE described by CMD_BUF and CMD_LEN. The device
- * registers must have already been prepared by cdrom_start_packet_command.
- * HANDLER is the interrupt handler to call when the command completes or
- * there's data ready.
- */
-#define ATAPI_MIN_CDB_BYTES 12
-static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
-					  struct request *rq,
-					  ide_handler_t *handler)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	int cmd_len;
-	struct cdrom_info *info = drive->driver_data;
-	ide_startstop_t startstop;
-
-	if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
-		/*
-		 * Here we should have been called after receiving an interrupt
-		 * from the device.  DRQ should how be set.
-		 */
-
-		/* check for errors */
-		if (cdrom_decode_status(drive, ATA_DRQ, NULL))
-			return ide_stopped;
-
-		/* ok, next interrupt will be DMA interrupt */
-		if (info->dma)
-			drive->waiting_for_dma = 1;
-	} else {
-		/* otherwise, we must wait for DRQ to get set */
-		if (ide_wait_stat(&startstop, drive, ATA_DRQ,
-				  ATA_BUSY, WAIT_READY))
-			return startstop;
-	}
-
-	/* arm the interrupt handler */
-	ide_set_handler(drive, handler, rq->timeout, cdrom_timer_expiry);
-
-	/* ATAPI commands get padded out to 12 bytes minimum */
-	cmd_len = COMMAND_SIZE(rq->cmd[0]);
-	if (cmd_len < ATAPI_MIN_CDB_BYTES)
-		cmd_len = ATAPI_MIN_CDB_BYTES;
-
-	/* send the command to the device */
-	hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len);
-
-	/* start the DMA if need be */
-	if (info->dma)
-		hwif->dma_ops->dma_start(drive);
-
-	return ide_started;
-}
-
 /*
  * Check the contents of the interrupt reason register from the cdrom
  * and attempt to recover if there are problems.  Returns  0 if everything's
@@ -615,6 +528,9 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
 {
 	ide_hwif_t *hwif = drive->hwif;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s, ireason: 0x%x, rw: 0x%x\n",
+		      __func__, ireason, rw);
+
 	/*
 	 * ireason == 0: the drive wants to receive data from us
 	 * ireason == 2: the drive is expecting to transfer data to us
@@ -624,7 +540,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
 	else if (ireason == (rw << 1)) {
 
 		/* whoops... */
-		printk(KERN_ERR "%s: %s: wrong transfer direction!\n",
+		printk(KERN_ERR PFX "%s: %s: wrong transfer direction!\n",
 				drive->name, __func__);
 
 		ide_pad_transfer(drive, rw, len);
@@ -637,7 +553,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
 		return 0;
 	} else {
 		/* drive wants a command packet, or invalid ireason... */
-		printk(KERN_ERR "%s: %s: bad interrupt reason 0x%02x\n",
+		printk(KERN_ERR PFX "%s: %s: bad interrupt reason 0x%02x\n",
 				drive->name, __func__, ireason);
 	}
 
@@ -654,28 +570,31 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
  */
 static int ide_cd_check_transfer_size(ide_drive_t *drive, int len)
 {
+	ide_debug_log(IDE_DBG_FUNC, "Call %s, len: %d\n", __func__, len);
+
 	if ((len % SECTOR_SIZE) == 0)
 		return 0;
 
-	printk(KERN_ERR "%s: %s: Bad transfer size %d\n",
-			drive->name, __func__, len);
+	printk(KERN_ERR PFX "%s: %s: Bad transfer size %d\n", drive->name,
+			__func__, len);
 
 	if (drive->atapi_flags & IDE_AFLAG_LIMIT_NFRAMES)
-		printk(KERN_ERR "  This drive is not supported by "
-				"this version of the driver\n");
+		printk(KERN_ERR PFX "This drive is not supported by this "
+				"version of the driver\n");
 	else {
-		printk(KERN_ERR "  Trying to limit transfer sizes\n");
+		printk(KERN_ERR PFX "Trying to limit transfer sizes\n");
 		drive->atapi_flags |= IDE_AFLAG_LIMIT_NFRAMES;
 	}
 
 	return 1;
 }
 
-static ide_startstop_t cdrom_newpc_intr(ide_drive_t *);
-
 static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
 						 struct request *rq)
 {
+	ide_debug_log(IDE_DBG_RQ, "Call %s: rq->cmd_flags: 0x%x\n", __func__,
+		      rq->cmd_flags);
+
 	if (rq_data_dir(rq) == READ) {
 		unsigned short sectors_per_frame =
 			queue_hardsect_size(drive->queue) >> SECTOR_BITS;
@@ -695,7 +614,7 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
 			/* sanity check... */
 			if (rq->current_nr_sectors !=
 			    bio_cur_sectors(rq->bio)) {
-				printk(KERN_ERR "%s: %s: buffer botch (%u)\n",
+				printk(KERN_ERR PFX "%s: %s: buffer botch (%u)\n",
 						drive->name, __func__,
 						rq->current_nr_sectors);
 				cdrom_end_request(drive, 0);
@@ -704,11 +623,7 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
 			rq->current_nr_sectors += nskip;
 		}
 	}
-#if 0
-	else
-		/* the immediate bit */
-		rq->cmd[1] = 1 << 3;
-#endif
+
 	/* set up the command */
 	rq->timeout = ATAPI_WAIT_PC;
 
@@ -716,67 +631,14 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
 }
 
 /*
- * Routine to send a read/write packet command to the drive. This is usually
- * called directly from cdrom_start_{read,write}(). However, for drq_interrupt
- * devices, it is called from an interrupt when the drive is ready to accept
- * the command.
- */
-static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive)
-{
-	struct request *rq = drive->hwif->hwgroup->rq;
-
-	/* send the command to the drive and return */
-	return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr);
-}
-
-#define IDECD_SEEK_THRESHOLD	(1000)			/* 1000 blocks */
-#define IDECD_SEEK_TIMER	(5 * WAIT_MIN_SLEEP)	/* 100 ms */
-#define IDECD_SEEK_TIMEOUT	(2 * WAIT_CMD)		/* 20 sec */
-
-static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive)
-{
-	struct cdrom_info *info = drive->driver_data;
-	int stat;
-	static int retry = 10;
-
-	if (cdrom_decode_status(drive, 0, &stat))
-		return ide_stopped;
-
-	drive->atapi_flags |= IDE_AFLAG_SEEKING;
-
-	if (retry && time_after(jiffies, info->start_seek + IDECD_SEEK_TIMER)) {
-		if (--retry == 0)
-			drive->dsc_overlap = 0;
-	}
-	return ide_stopped;
-}
-
-static void ide_cd_prepare_seek_request(ide_drive_t *drive, struct request *rq)
-{
-	sector_t frame = rq->sector;
-
-	sector_div(frame, queue_hardsect_size(drive->queue) >> SECTOR_BITS);
-
-	memset(rq->cmd, 0, BLK_MAX_CDB);
-	rq->cmd[0] = GPCMD_SEEK;
-	put_unaligned(cpu_to_be32(frame), (unsigned int *) &rq->cmd[2]);
-
-	rq->timeout = ATAPI_WAIT_PC;
-}
-
-static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive)
-{
-	struct request *rq = drive->hwif->hwgroup->rq;
-
-	return cdrom_transfer_packet_command(drive, rq, &cdrom_seek_intr);
-}
-
-/*
  * Fix up a possibly partially-processed request so that we can start it over
  * entirely, or even put it back on the request queue.
  */
-static void restore_request(struct request *rq)
+static void ide_cd_restore_request(ide_drive_t *drive, struct request *rq)
 {
+
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	if (rq->buffer != bio_data(rq->bio)) {
 		sector_t n =
 			(rq->buffer - (char *)bio_data(rq->bio)) / SECTOR_SIZE;
@@ -792,11 +654,11 @@ static void restore_request(struct request *rq)
 	rq->q->prep_rq_fn(rq->q, rq);
 }
 
-/*
- * All other packet commands.
- */
-static void ide_cd_request_sense_fixup(struct request *rq)
+static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct request *rq)
 {
+	ide_debug_log(IDE_DBG_FUNC, "Call %s, rq->cmd[0]: 0x%x\n",
+		      __func__, rq->cmd[0]);
+
 	/*
 	 * Some of the trailing request sense fields are optional,
 	 * and some drives don't send them.  Sigh.
@@ -822,6 +684,10 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,
 	if (!sense)
 		sense = &local_sense;
 
+	ide_debug_log(IDE_DBG_PC, "Call %s, cmd[0]: 0x%x, write: 0x%x, "
+		      "timeout: %d, cmd_flags: 0x%x\n", __func__, cmd[0], write,
+		      timeout, cmd_flags);
+
 	/* start of retry loop */
 	do {
 		struct request *rq;
@@ -895,8 +761,7 @@ static int cdrom_newpc_intr_dummy_cb(struct request *rq)
 static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = drive->hwif;
-	struct cdrom_info *info = drive->driver_data;
-	struct request *rq = HWGROUP(drive)->rq;
+	struct request *rq = hwif->rq;
 	xfer_func_t *xferfunc;
 	ide_expiry_t *expiry = NULL;
 	int dma_error = 0, dma, stat, thislen, uptodate = 0;
@@ -905,13 +770,16 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 	u16 len;
 	u8 ireason;
 
+	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x\n",
+		      __func__, rq->cmd[0], write);
+
 	/* check for errors */
-	dma = info->dma;
+	dma = drive->dma;
 	if (dma) {
-		info->dma = 0;
+		drive->dma = 0;
 		dma_error = hwif->dma_ops->dma_end(drive);
 		if (dma_error) {
-			printk(KERN_ERR "%s: DMA %s error\n", drive->name,
+			printk(KERN_ERR PFX "%s: DMA %s error\n", drive->name,
 					write ? "write" : "read");
 			ide_dma_off(drive);
 		}
@@ -927,6 +795,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 		if (blk_fs_request(rq)) {
 			ide_end_request(drive, 1, rq->nr_sectors);
 			return ide_stopped;
+		} else if (rq->cmd_type == REQ_TYPE_ATA_PC && !rq->bio) {
+			ide_end_request(drive, 1, 1);
+			return ide_stopped;
 		}
 		goto end_request;
 	}
@@ -937,6 +808,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 	if (thislen > len)
 		thislen = len;
 
+	ide_debug_log(IDE_DBG_PC, "%s: DRQ: stat: 0x%x, thislen: %d\n",
+		      __func__, stat, thislen);
+
 	/* If DRQ is clear, the command has completed. */
 	if ((stat & ATA_DRQ) == 0) {
 		if (blk_fs_request(rq)) {
@@ -946,7 +820,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 			 */
 			uptodate = 1;
 			if (rq->current_nr_sectors > 0) {
-				printk(KERN_ERR "%s: %s: data underrun "
+				printk(KERN_ERR PFX "%s: %s: data underrun "
 						"(%d blocks)\n",
 						drive->name, __func__,
 						rq->current_nr_sectors);
@@ -957,7 +831,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 			cdrom_end_request(drive, uptodate);
 			return ide_stopped;
 		} else if (!blk_pc_request(rq)) {
-			ide_cd_request_sense_fixup(rq);
+			ide_cd_request_sense_fixup(drive, rq);
 			/* complain if we still have data left to transfer */
 			uptodate = rq->data_len ? 0 : 1;
 		}
@@ -1000,6 +874,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 		xferfunc = hwif->tp_ops->input_data;
 	}
 
+	ide_debug_log(IDE_DBG_PC, "%s: data transfer, rq->cmd_type: 0x%x, "
+		      "ireason: 0x%x\n", __func__, rq->cmd_type, ireason);
+
 	/* transfer data */
 	while (thislen > 0) {
 		u8 *ptr = blk_fs_request(rq) ? NULL : rq->data;
@@ -1024,7 +901,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 				 */
 				ide_pad_transfer(drive, 0, thislen);
 			else {
-				printk(KERN_ERR "%s: confused, missing data\n",
+				printk(KERN_ERR PFX "%s: confused, missing data\n",
 						drive->name);
 				blk_dump_rq_flags(rq, rq_data_dir(rq)
 						  ? "cdrom_newpc_intr, write"
@@ -1077,7 +954,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 	} else {
 		timeout = ATAPI_WAIT_PC;
 		if (!blk_fs_request(rq))
-			expiry = cdrom_timer_expiry;
+			expiry = ide_cd_expiry;
 	}
 
 	ide_set_handler(drive, cdrom_newpc_intr, timeout, expiry);
@@ -1085,17 +962,15 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 
 end_request:
 	if (blk_pc_request(rq)) {
-		unsigned long flags;
 		unsigned int dlen = rq->data_len;
 
 		if (dma)
 			rq->data_len = 0;
 
-		spin_lock_irqsave(&ide_lock, flags);
-		if (__blk_end_request(rq, 0, dlen))
+		if (blk_end_request(rq, 0, dlen))
 			BUG();
-		HWGROUP(drive)->rq = NULL;
-		spin_unlock_irqrestore(&ide_lock, flags);
+
+		hwif->rq = NULL;
 	} else {
 		if (!uptodate)
 			rq->cmd_flags |= REQ_FAILED;
@@ -1111,6 +986,10 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
 	unsigned short sectors_per_frame =
 		queue_hardsect_size(drive->queue) >> SECTOR_BITS;
 
+	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+		      "secs_per_frame: %u\n",
+		      __func__, rq->cmd[0], write, sectors_per_frame);
+
 	if (write) {
 		/* disk has become write protected */
 		if (get_disk_ro(cd->disk)) {
@@ -1122,7 +1001,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
 		 * We may be retrying this request after an error.  Fix up any
 		 * weirdness which might be present in the request packet.
 		 */
-		restore_request(rq);
+		ide_cd_restore_request(drive, rq);
 	}
 
 	/* use DMA, if possible / writes *must* be hardware frame aligned */
@@ -1132,9 +1011,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
 			cdrom_end_request(drive, 0);
 			return ide_stopped;
 		}
-		cd->dma = 0;
+		drive->dma = 0;
 	} else
-		cd->dma = drive->using_dma;
+		drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
 
 	if (write)
 		cd->devinfo.media_written = 1;
@@ -1142,23 +1021,19 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
 	return ide_started;
 }
 
-static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive)
-{
-	struct request *rq = HWGROUP(drive)->rq;
-
-	return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr);
-}
-
 static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 {
-	struct cdrom_info *info = drive->driver_data;
+
+	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, "
+		      "rq->cmd_type: 0x%x\n", __func__, rq->cmd[0],
+		      rq->cmd_type);
 
 	if (blk_pc_request(rq))
 		rq->cmd_flags |= REQ_QUIET;
 	else
 		rq->cmd_flags &= ~REQ_FAILED;
 
-	info->dma = 0;
+	drive->dma = 0;
 
 	/* sg request */
 	if (rq->bio || ((rq->cmd_type == REQ_TYPE_ATA_PC) && rq->data_len)) {
@@ -1171,7 +1046,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 		else
 			buf = rq->data;
 
-		info->dma = drive->using_dma;
+		drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
 
 		/*
 		 * check if dma is safe
@@ -1180,66 +1055,29 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 		 * separate masks.
 		 */
 		alignment = queue_dma_alignment(q) | q->dma_pad_mask;
-		if ((unsigned long)buf & alignment || rq->data_len & alignment
+		if ((unsigned long)buf & alignment
+		    || rq->data_len & q->dma_pad_mask
 		    || object_is_on_stack(buf))
-			info->dma = 0;
+			drive->dma = 0;
 	}
 }
 
-/*
- * cdrom driver request routine.
- */
 static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 					sector_t block)
 {
-	struct cdrom_info *info = drive->driver_data;
-	ide_handler_t *fn;
-	int xferlen;
+	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, "
+		      "rq->cmd_type: 0x%x, block: %llu\n",
+		      __func__, rq->cmd[0], rq->cmd_type,
+		      (unsigned long long)block);
 
 	if (blk_fs_request(rq)) {
-		if (drive->atapi_flags & IDE_AFLAG_SEEKING) {
-			ide_hwif_t *hwif = drive->hwif;
-			unsigned long elapsed = jiffies - info->start_seek;
-			int stat = hwif->tp_ops->read_status(hwif);
-
-			if ((stat & ATA_DSC) != ATA_DSC) {
-				if (elapsed < IDECD_SEEK_TIMEOUT) {
-					ide_stall_queue(drive,
-							IDECD_SEEK_TIMER);
-					return ide_stopped;
-				}
-				printk(KERN_ERR "%s: DSC timeout\n",
-						drive->name);
-			}
-			drive->atapi_flags &= ~IDE_AFLAG_SEEKING;
-		}
-		if (rq_data_dir(rq) == READ &&
-		    IDE_LARGE_SEEK(info->last_block, block,
-			    IDECD_SEEK_THRESHOLD) &&
-		    drive->dsc_overlap) {
-			xferlen = 0;
-			fn = cdrom_start_seek_continuation;
-
-			info->dma = 0;
-			info->start_seek = jiffies;
-
-			ide_cd_prepare_seek_request(drive, rq);
-		} else {
-			xferlen = 32768;
-			fn = cdrom_start_rw_cont;
-
-			if (cdrom_start_rw(drive, rq) == ide_stopped)
-				return ide_stopped;
+		if (cdrom_start_rw(drive, rq) == ide_stopped)
+			return ide_stopped;
 
-			if (ide_cd_prepare_rw_request(drive, rq) == ide_stopped)
-				return ide_stopped;
-		}
-		info->last_block = block;
+		if (ide_cd_prepare_rw_request(drive, rq) == ide_stopped)
+			return ide_stopped;
 	} else if (blk_sense_request(rq) || blk_pc_request(rq) ||
 		   rq->cmd_type == REQ_TYPE_ATA_PC) {
-		xferlen = rq->data_len;
-		fn = cdrom_do_newpc_cont;
-
 		if (!rq->timeout)
 			rq->timeout = ATAPI_WAIT_PC;
 
@@ -1249,12 +1087,12 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 		cdrom_end_request(drive, 1);
 		return ide_stopped;
 	} else {
-		blk_dump_rq_flags(rq, "ide-cd bad flags");
+		blk_dump_rq_flags(rq, DRV_NAME " bad flags");
 		cdrom_end_request(drive, 0);
 		return ide_stopped;
 	}
 
-	return cdrom_start_packet_command(drive, xferlen, fn);
+	return ide_issue_pc(drive);
 }
 
 /*
@@ -1279,6 +1117,8 @@ int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense)
 	struct cdrom_device_info *cdi = &info->devinfo;
 	unsigned char cmd[BLK_MAX_CDB];
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	memset(cmd, 0, BLK_MAX_CDB);
 	cmd[0] = GPCMD_TEST_UNIT_READY;
 
@@ -1305,6 +1145,8 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
 	unsigned len = sizeof(capbuf);
 	u32 blocklen;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	memset(cmd, 0, BLK_MAX_CDB);
 	cmd[0] = GPCMD_READ_CDVD_CAPACITY;
 
@@ -1324,16 +1166,20 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
 	case 4096:
 		break;
 	default:
-		printk(KERN_ERR "%s: weird block size %u\n",
-			drive->name, blocklen);
-		printk(KERN_ERR "%s: default to 2kb block size\n",
-			drive->name);
+		printk(KERN_ERR PFX "%s: weird block size %u\n",
+				drive->name, blocklen);
+		printk(KERN_ERR PFX "%s: default to 2kb block size\n",
+				drive->name);
 		blocklen = 2048;
 		break;
 	}
 
 	*capacity = 1 + be32_to_cpu(capbuf.lba);
 	*sectors_per_frame = blocklen >> SECTOR_BITS;
+
+	ide_debug_log(IDE_DBG_PROBE, "%s: cap: %lu, sectors_per_frame: %lu\n",
+		      __func__, *capacity, *sectors_per_frame);
+
 	return 0;
 }
 
@@ -1343,6 +1189,8 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag,
 {
 	unsigned char cmd[BLK_MAX_CDB];
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	memset(cmd, 0, BLK_MAX_CDB);
 
 	cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
@@ -1371,11 +1219,13 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)
 	long last_written;
 	unsigned long sectors_per_frame = SECTORS_PER_FRAME;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	if (toc == NULL) {
 		/* try to allocate space */
 		toc = kmalloc(sizeof(struct atapi_toc), GFP_KERNEL);
 		if (toc == NULL) {
-			printk(KERN_ERR "%s: No cdrom TOC buffer!\n",
+			printk(KERN_ERR PFX "%s: No cdrom TOC buffer!\n",
 					drive->name);
 			return -ENOMEM;
 		}
@@ -1531,6 +1381,8 @@ int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)
 	struct packet_command cgc;
 	int stat, attempts = 3, size = ATAPI_CAPABILITIES_PAGE_SIZE;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	if ((drive->atapi_flags & IDE_AFLAG_FULL_CAPS_PAGE) == 0)
 		size -= ATAPI_CAPABILITIES_PAGE_PAD_SIZE;
 
@@ -1549,6 +1401,8 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
 	struct cdrom_info *cd = drive->driver_data;
 	u16 curspeed, maxspeed;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	if (drive->atapi_flags & IDE_AFLAG_LE_SPEED_FIELDS) {
 		curspeed = le16_to_cpup((__le16 *)&buf[8 + 14]);
 		maxspeed = le16_to_cpup((__le16 *)&buf[8 + 8]);
@@ -1557,6 +1411,9 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
 		maxspeed = be16_to_cpup((__be16 *)&buf[8 + 8]);
 	}
 
+	ide_debug_log(IDE_DBG_PROBE, "%s: curspeed: %u, maxspeed: %u\n",
+		      __func__, curspeed, maxspeed);
+
 	cd->current_speed = (curspeed + (176/2)) / 176;
 	cd->max_speed = (maxspeed + (176/2)) / 176;
 }
@@ -1589,6 +1446,8 @@ static int ide_cdrom_register(ide_drive_t *drive, int nslots)
 	struct cdrom_info *info = drive->driver_data;
 	struct cdrom_device_info *devinfo = &info->devinfo;
 
+	ide_debug_log(IDE_DBG_PROBE, "Call %s, nslots: %d\n", __func__, nslots);
+
 	devinfo->ops = &ide_cdrom_dops;
 	devinfo->speed = info->current_speed;
 	devinfo->capacity = nslots;
@@ -1610,13 +1469,17 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 	mechtype_t mechtype;
 	int nslots = 1;
 
+	ide_debug_log(IDE_DBG_PROBE, "Call %s, drive->media: 0x%x, "
+		      "drive->atapi_flags: 0x%lx\n", __func__, drive->media,
+		      drive->atapi_flags);
+
 	cdi->mask = (CDC_CD_R | CDC_CD_RW | CDC_DVD | CDC_DVD_R |
 		     CDC_DVD_RAM | CDC_SELECT_DISC | CDC_PLAY_AUDIO |
 		     CDC_MO_DRIVE | CDC_RAM);
 
 	if (drive->media == ide_optical) {
 		cdi->mask &= ~(CDC_MO_DRIVE | CDC_RAM);
-		printk(KERN_ERR "%s: ATAPI magneto-optical drive\n",
+		printk(KERN_ERR PFX "%s: ATAPI magneto-optical drive\n",
 				drive->name);
 		return nslots;
 	}
@@ -1640,7 +1503,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 		return 0;
 
 	if ((buf[8 + 6] & 0x01) == 0)
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 	if (buf[8 + 6] & 0x08)
 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;
 	if (buf[8 + 3] & 0x01)
@@ -1674,7 +1537,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 
 	ide_cdrom_update_speed(drive, buf);
 
-	printk(KERN_INFO "%s: ATAPI", drive->name);
+	printk(KERN_INFO PFX "%s: ATAPI", drive->name);
 
 	/* don't print speed if the drive reported 0 */
 	if (cd->max_speed)
@@ -1685,7 +1548,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 	if ((cdi->mask & CDC_DVD_R) == 0 || (cdi->mask & CDC_DVD_RAM) == 0)
 		printk(KERN_CONT " DVD%s%s",
 				 (cdi->mask & CDC_DVD_R) ? "" : "-R",
-				 (cdi->mask & CDC_DVD_RAM) ? "" : "-RAM");
+				 (cdi->mask & CDC_DVD_RAM) ? "" : "/RAM");
 
 	if ((cdi->mask & CDC_CD_R) == 0 || (cdi->mask & CDC_CD_RW) == 0)
 		printk(KERN_CONT " CD%s%s",
@@ -1697,7 +1560,8 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 	else
 		printk(KERN_CONT " drive");
 
-	printk(KERN_CONT ", %dkB Cache\n", be16_to_cpup((__be16 *)&buf[8 + 12]));
+	printk(KERN_CONT ", %dkB Cache\n",
+			 be16_to_cpup((__be16 *)&buf[8 + 12]));
 
 	return nslots;
 }
@@ -1809,13 +1673,15 @@ static ide_proc_entry_t idecd_proc[] = {
 	{ NULL, 0, NULL, NULL }
 };
 
-static void ide_cdrom_add_settings(ide_drive_t *drive)
+static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
 {
-	ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
-			&drive->dsc_overlap, NULL);
+	return idecd_proc;
+}
+
+static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)
+{
+	return NULL;
 }
-#else
-static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; }
 #endif
 
 static const struct cd_list_entry ide_cd_quirks_list[] = {
@@ -1859,6 +1725,7 @@ static const struct cd_list_entry ide_cd_quirks_list[] = {
 	{ "Optiarc DVD RW AD-5200A", NULL,   IDE_AFLAG_PLAY_AUDIO_OK	     },
 	{ "Optiarc DVD RW AD-7200A", NULL,   IDE_AFLAG_PLAY_AUDIO_OK	     },
 	{ "Optiarc DVD RW AD-7543A", NULL,   IDE_AFLAG_NO_AUTOCLOSE	     },
+	{ "TEAC CD-ROM CD-224E",     NULL,   IDE_AFLAG_NO_AUTOCLOSE	     },
 	{ NULL, NULL, 0 }
 };
 
@@ -1885,6 +1752,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
 	char *fw_rev = (char *)&id[ATA_ID_FW_REV];
 	int nslots;
 
+	ide_debug_log(IDE_DBG_PROBE, "Call %s\n", __func__);
+
 	blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn);
 	blk_queue_dma_alignment(drive->queue, 31);
 	blk_queue_update_dma_pad(drive->queue, 15);
@@ -1892,13 +1761,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
 	if (!drive->queue->unplug_delay)
 		drive->queue->unplug_delay = 1;
 
-	drive->special.all	= 0;
-
-	drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT |
-		       ide_cd_flags(id);
-
-	if ((id[ATA_ID_CONFIG] & 0x0060) == 0x20)
-		drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
+	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+	drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);
 
 	if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&
 	    fw_rev[4] == '1' && fw_rev[6] <= '2')
@@ -1916,17 +1780,14 @@ static int ide_cdrom_setup(ide_drive_t *drive)
 	/* set correct block size */
 	blk_queue_hardsect_size(drive->queue, CD_FRAMESIZE);
 
-	drive->dsc_overlap = (drive->next != drive);
-
 	if (ide_cdrom_register(drive, nslots)) {
-		printk(KERN_ERR "%s: %s failed to register device with the"
+		printk(KERN_ERR PFX "%s: %s failed to register device with the"
 				" cdrom driver.\n", drive->name, __func__);
 		cd->devinfo.handle = NULL;
 		return 1;
 	}
 
 	ide_proc_register_driver(drive, cd->driver);
-	ide_cdrom_add_settings(drive);
 	return 0;
 }
 
@@ -1934,24 +1795,29 @@ static void ide_cd_remove(ide_drive_t *drive)
 {
 	struct cdrom_info *info = drive->driver_data;
 
-	ide_proc_unregister_driver(drive, info->driver);
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
 
+	ide_proc_unregister_driver(drive, info->driver);
+	device_del(&info->dev);
 	del_gendisk(info->disk);
 
-	ide_cd_put(info);
+	mutex_lock(&idecd_ref_mutex);
+	put_device(&info->dev);
+	mutex_unlock(&idecd_ref_mutex);
 }
 
-static void ide_cd_release(struct kref *kref)
+static void ide_cd_release(struct device *dev)
 {
-	struct cdrom_info *info = to_ide_cd(kref);
+	struct cdrom_info *info = to_ide_drv(dev, cdrom_info);
 	struct cdrom_device_info *devinfo = &info->devinfo;
 	ide_drive_t *drive = info->drive;
 	struct gendisk *g = info->disk;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	kfree(info->toc);
 	if (devinfo->handle == drive)
 		unregister_cdrom(devinfo);
-	drive->dsc_overlap = 0;
 	drive->driver_data = NULL;
 	blk_queue_prep_rq(drive->queue, NULL);
 	g->private_data = NULL;
@@ -1961,7 +1827,7 @@ static void ide_cd_release(struct kref *kref)
 
 static int ide_cd_probe(ide_drive_t *);
 
-static ide_driver_t ide_cdrom_driver = {
+static struct ide_driver ide_cdrom_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
 		.name		= "ide-cdrom",
@@ -1970,27 +1836,23 @@ static ide_driver_t ide_cdrom_driver = {
 	.probe			= ide_cd_probe,
 	.remove			= ide_cd_remove,
 	.version		= IDECD_VERSION,
-	.media			= ide_cdrom,
-	.supports_dsc_overlap	= 1,
 	.do_request		= ide_cd_do_request,
 	.end_request		= ide_end_request,
-	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= idecd_proc,
+	.proc_entries		= ide_cd_proc_entries,
+	.proc_devsets		= ide_cd_proc_devsets,
 #endif
 };
 
-static int idecd_open(struct inode *inode, struct file *file)
+static int idecd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct cdrom_info *info;
+	struct cdrom_info *info = ide_cd_get(bdev->bd_disk);
 	int rc = -ENOMEM;
 
-	info = ide_cd_get(disk);
 	if (!info)
 		return -ENXIO;
 
-	rc = cdrom_open(&info->devinfo, inode, file);
+	rc = cdrom_open(&info->devinfo, bdev, mode);
 
 	if (rc < 0)
 		ide_cd_put(info);
@@ -1998,12 +1860,11 @@ static int idecd_open(struct inode *inode, struct file *file)
 	return rc;
 }
 
-static int idecd_release(struct inode *inode, struct file *file)
+static int idecd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct cdrom_info *info = ide_cd_g(disk);
+	struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
 
-	cdrom_release(&info->devinfo, file);
+	cdrom_release(&info->devinfo, mode);
 
 	ide_cd_put(info);
 
@@ -2049,11 +1910,10 @@ static int idecd_get_spindown(struct cdrom_device_info *cdi, unsigned long arg)
 	return 0;
 }
 
-static int idecd_ioctl(struct inode *inode, struct file *file,
+static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
-	struct cdrom_info *info = ide_cd_g(bdev->bd_disk);
+	struct cdrom_info *info = ide_drv_g(bdev->bd_disk, cdrom_info);
 	int err;
 
 	switch (cmd) {
@@ -2065,22 +1925,22 @@ static int idecd_ioctl(struct inode *inode, struct file *file,
 		break;
 	}
 
-	err = generic_ide_ioctl(info->drive, file, bdev, cmd, arg);
+	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);
 	if (err == -EINVAL)
-		err = cdrom_ioctl(file, &info->devinfo, inode, cmd, arg);
+		err = cdrom_ioctl(&info->devinfo, bdev, mode, cmd, arg);
 
 	return err;
 }
 
 static int idecd_media_changed(struct gendisk *disk)
 {
-	struct cdrom_info *info = ide_cd_g(disk);
+	struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
 	return cdrom_media_changed(&info->devinfo);
 }
 
 static int idecd_revalidate_disk(struct gendisk *disk)
 {
-	struct cdrom_info *info = ide_cd_g(disk);
+	struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
 	struct request_sense sense;
 
 	ide_cd_read_toc(info->drive, &sense);
@@ -2092,15 +1952,18 @@ static struct block_device_operations idecd_ops = {
 	.owner			= THIS_MODULE,
 	.open			= idecd_open,
 	.release		= idecd_release,
-	.ioctl			= idecd_ioctl,
+	.locked_ioctl		= idecd_ioctl,
 	.media_changed		= idecd_media_changed,
 	.revalidate_disk	= idecd_revalidate_disk
 };
 
 /* module options */
 static char *ignore;
-
 module_param(ignore, charp, 0400);
+
+static unsigned long debug_mask;
+module_param(debug_mask, ulong, 0644);
+
 MODULE_DESCRIPTION("ATAPI CD-ROM Driver");
 
 static int ide_cd_probe(ide_drive_t *drive)
@@ -2109,6 +1972,10 @@ static int ide_cd_probe(ide_drive_t *drive)
 	struct gendisk *g;
 	struct request_sense sense;
 
+	ide_debug_log(IDE_DBG_PROBE, "Call %s, drive->driver_req: %s, "
+		      "drive->media: 0x%x\n", __func__, drive->driver_req,
+		      drive->media);
+
 	if (!strstr("ide-cdrom", drive->driver_req))
 		goto failed;
 
@@ -2118,14 +1985,18 @@ static int ide_cd_probe(ide_drive_t *drive)
 	/* skip drives that we were told to ignore */
 	if (ignore != NULL) {
 		if (strstr(ignore, drive->name)) {
-			printk(KERN_INFO "ide-cd: ignoring drive %s\n",
+			printk(KERN_INFO PFX "ignoring drive %s\n",
 					 drive->name);
 			goto failed;
 		}
 	}
+
+	drive->debug_mask = debug_mask;
+	drive->irq_handler = cdrom_newpc_intr;
+
 	info = kzalloc(sizeof(struct cdrom_info), GFP_KERNEL);
 	if (info == NULL) {
-		printk(KERN_ERR "%s: Can't allocate a cdrom structure\n",
+		printk(KERN_ERR PFX "%s: Can't allocate a cdrom structure\n",
 				drive->name);
 		goto failed;
 	}
@@ -2136,7 +2007,12 @@ static int ide_cd_probe(ide_drive_t *drive)
 
 	ide_init_disk(g, drive);
 
-	kref_init(&info->kref);
+	info->dev.parent = &drive->gendev;
+	info->dev.release = ide_cd_release;
+	dev_set_name(&info->dev, dev_name(&drive->gendev));
+
+	if (device_register(&info->dev))
+		goto out_free_disk;
 
 	info->drive = drive;
 	info->driver = &ide_cdrom_driver;
@@ -2150,7 +2026,7 @@ static int ide_cd_probe(ide_drive_t *drive)
 	g->driverfs_dev = &drive->gendev;
 	g->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE;
 	if (ide_cdrom_setup(drive)) {
-		ide_cd_release(&info->kref);
+		put_device(&info->dev);
 		goto failed;
 	}
 
@@ -2160,6 +2036,8 @@ static int ide_cd_probe(ide_drive_t *drive)
 	add_disk(g);
 	return 0;
 
+out_free_disk:
+	put_disk(g);
 out_free_cd:
 	kfree(info);
 failed:
@@ -2173,6 +2051,7 @@ static void __exit ide_cdrom_exit(void)
 
 static int __init ide_cdrom_init(void)
 {
+	printk(KERN_INFO DRV_NAME " driver " IDECD_VERSION "\n");
 	return driver_register(&ide_cdrom_driver.gen_driver);
 }