linux-kernel - Re: [PATCH 0/8] ide-cd: first conversion batch

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Date:	Fri, 26 Dec 2008 14:46:21 +0100
From:	Borislav Petkov <petkovbb@...glemail.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [PATCH 0/8] ide-cd: first conversion batch

From: Borislav Petkov <petkovbb@...il.com>
Date: Thu, 25 Dec 2008 18:46:35 +0100
Subject: [PATCH 10/11] 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@...il.com>
---
 drivers/ide/ide-cd.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 1c1ba43..2cb301d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -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;
 }
 
-- 
1.6.0.4

-- 
Regards/Gruss,
    Boris.
--
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