Commit 1e91477a authored by Borislav Petkov's avatar Borislav Petkov Committed by Bartlomiej Zolnierkiewicz
Browse files

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: default avatarBorislav Petkov <petkovbb@gmail.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 7a38f3cf

drivers/ide/ide-cd.c

+3 −3
Original line number Diff line number Diff line
@@ -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;

}