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Commit fa4453c4 authored by Albert Lee's avatar Albert Lee Committed by Jeff Garzik
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libata passthru: always enforce correct DEV bit 



 Always enforce correct DEV bit since we know which drive the command
is targeted. SAT demands to ignore the DEV bit, too.

Signed-off-by: default avatarAlbert Lee <albertcc@tw.ibm.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 23cb1d71

drivers/ata/libata-scsi.c

+4 −6
Original line number Diff line number Diff line
@@ -2595,11 +2595,9 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) 
		tf->device = cdb[8];

		tf->command = cdb[9];

	}

	/*

	 * If slave is possible, enforce correct master/slave bit

	*/

	if (qc->ap->flags & ATA_FLAG_SLAVE_POSS)

		tf->device = qc->dev->devno ?



	/* enforce correct master/slave bit */

	tf->device = dev->devno ?

		tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1;



	/* sanity check for pio multi commands */