X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fide%2Fide-cd.c;h=a2bde80b54021f65427bba7e763aa290bdd32f41;hb=15b854853515e7223fd7224de53799af4a66059c;hp=bddfebdf91d8aea8a14ee0c0de25e0016e74ef63;hpb=513b046c96cc2fbce730a3474f6f7ff0c4fdd05c;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index bddfebdf91d..a2bde80b540 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -724,7 +724,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 		 * if we have an error, pass back CHECK_CONDITION as the
 		 * scsi status byte
 		 */
-		if (!rq->errors)
+		if (blk_pc_request(rq) && !rq->errors)
 			rq->errors = SAM_STAT_CHECK_CONDITION;
 
 		/* Check for tray open. */
@@ -923,6 +923,10 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
 		HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
  
 	if (CDROM_CONFIG_FLAGS (drive)->drq_interrupt) {
+		/* waiting for CDB interrupt, not DMA yet. */
+		if (info->dma)
+			drive->waiting_for_dma = 0;
+
 		/* packet command */
 		ide_execute_command(drive, WIN_PACKETCMD, handler, ATAPI_WAIT_PC, cdrom_timer_expiry);
 		return ide_started;
@@ -965,6 +969,10 @@ static ide_startstop_t cdrom_transfer_packet_command (ide_drive_t *drive,
 		/* Check for errors. */
 		if (cdrom_decode_status(drive, DRQ_STAT, 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, DRQ_STAT,