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Commit 12469ac0 authored by Borislav Petkov's avatar Borislav Petkov Committed by Bartlomiej Zolnierkiewicz
Browse files

ide-cd: move cdrom_info.dma to ide_drive_t.dma 



There should be no functionality change resulting from this patch.

Signed-off-by: default avatarBorislav Petkov <petkovbb@gmail.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 0a9b6f88

drivers/ide/ide-cd.c

+14 −18
Original line number Diff line number Diff line
@@ -562,22 +562,21 @@ 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;



	ide_debug_log(IDE_DBG_PC, "Call %s, xferlen: %d\n", __func__, xferlen);



	/* FIXME: for Virtual DMA we must check harder */

	if (info->dma)

		info->dma = !hwif->dma_ops->dma_setup(drive);

	if (drive->dma)

		drive->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);

			   xferlen, drive->dma);



	if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {

		/* waiting for CDB interrupt, not DMA yet. */

		if (info->dma)

		if (drive->dma)

			drive->waiting_for_dma = 0;



		/* packet command */
@@ -604,7 +603,6 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, 
{

	ide_hwif_t *hwif = drive->hwif;

	int cmd_len;

	struct cdrom_info *info = drive->driver_data;

	ide_startstop_t startstop;



	ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__);
@@ -620,7 +618,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, 
			return ide_stopped;



		/* ok, next interrupt will be DMA interrupt */

		if (info->dma)

		if (drive->dma)

			drive->waiting_for_dma = 1;

	} else {

		/* otherwise, we must wait for DRQ to get set */
@@ -641,7 +639,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, 
	hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len);



	/* start the DMA if need be */

	if (info->dma)

	if (drive->dma)

		hwif->dma_ops->dma_start(drive);



	return ide_started;
@@ -955,7 +953,6 @@ 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;

	xfer_func_t *xferfunc;

	ide_expiry_t *expiry = NULL;
@@ -969,9 +966,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) 
		      __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 PFX "%s: DMA %s error\n", drive->name,
@@ -1204,9 +1201,9 @@ 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->dev_flags & IDE_DFLAG_USING_DMA);

		drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);



	if (write)

		cd->devinfo.media_written = 1;
@@ -1223,7 +1220,6 @@ static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive) 


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_type: 0x%x\n", __func__,

		      rq->cmd_type);
@@ -1233,7 +1229,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) 
	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)) {
@@ -1246,7 +1242,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) 
		else

			buf = rq->data;



		info->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);

		drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);



		/*

		 * check if dma is safe
@@ -1257,7 +1253,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) 
		alignment = queue_dma_alignment(q) | q->dma_pad_mask;

		if ((unsigned long)buf & alignment || rq->data_len & alignment

		    || object_is_on_stack(buf))

			info->dma = 0;

			drive->dma = 0;

	}

}
@@ -1298,7 +1294,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, 
			xferlen = 0;

			fn = cdrom_start_seek_continuation;



			info->dma = 0;

			drive->dma = 0;

			info->start_seek = jiffies;



			ide_cd_prepare_seek_request(drive, rq);

drivers/ide/ide-cd.h

+0 −1
Original line number Diff line number Diff line
@@ -88,7 +88,6 @@ struct cdrom_info { 
	struct request_sense sense_data;



	struct request request_sense_request;

	int dma;

	unsigned long last_block;

	unsigned long start_seek;