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ide-cd: start DMA before sending the actual packet command 

as it is done for all other IDE ATAPI devices.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov 2009-01-06 17:20:57 +01:00 committed by Bartlomiej Zolnierkiewicz
parent 7a38f3cf01
commit 1e91477aa3
1 changed files with 3 additions and 3 deletions
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6
drivers/ide/ide-cd.c
View File

@ -593,13 +593,13 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive)
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 (drive->dma)
hwif->dma_ops->dma_start(drive);
/* send the command to the device */
hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len);
return ide_started;
}