linux-kernel - libata bugfix: preserve LBA bit for HDIO_DRIVE

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Message-ID: <460D8510.1050102@pobox.com>
Date:	Fri, 30 Mar 2007 17:45:52 -0400
From:	Mark Lord <mlord@...ox.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk,
	Tejun Heo <htejun@...il.com>,
	IDE/ATA development list <linux-ide@...r.kernel.org>
Subject: libata bugfix: preserve LBA bit for HDIO_DRIVE_TASK

Ideally, this would go into linux-2.6.21.

Preserve the LBA bit in the DevSel/Head register for HDIO_DRIVE_TASK.

Signed-off-by:  Mark Lord <mlord@...ox.com>
---
--- linux/drivers/ata/libata-scsi.c.orig	2007-03-21 13:35:02.000000000 -0400
+++ linux/drivers/ata/libata-scsi.c	2007-03-30 17:40:58.000000000 -0400
@@ -333,7 +333,7 @@
 	scsi_cmd[8]  = args[3];
 	scsi_cmd[10] = args[4];
 	scsi_cmd[12] = args[5];
-	scsi_cmd[13] = args[6] & 0x0f;
+	scsi_cmd[13] = args[6] & 0x4f;
 	scsi_cmd[14] = args[0];
 
 	/* Good values for timeout and retries?  Values below
-- 
Mark Lord
Real-Time Remedies Inc.
mlord@...ox.com
-
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