libata bugfix: preserve LBA bit for HDIO_DRIVE_TASK

[Mark Lord]

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@xxxxxxxxx>
---
--- 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@xxxxxxxxx
-
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