cs5530: small cleanup

[linux-2.6-omap-h63xx.git] / drivers / ide / ide-cd.c

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index bddfebdf91d8aea8a14ee0c0de25e0016e74ef63..a2bde80b54021f65427bba7e763aa290bdd32f41 100644 (file)
--- 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,