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authorMark Lord <mlord@pobox.com>2005-11-13 16:22:06 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-13 16:22:06 -0500
commitdcc2d1e7f0acf7d3f7ae632a73cd5f828ef9de20 (patch)
treef1c557e34750a76b0e6489c6a0638709d8ff48a7 /drivers/scsi
parente12a1be6e8fa47ae6cdc4127a1b4640e19c288eb (diff)
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[libata passthru] address slave devices correctly
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/libata-scsi.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 261be24..0df4b68 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -2276,6 +2276,12 @@ ata_scsi_pass_thru(struct ata_queued_cmd *qc, const u8 *scsicmd)
tf->device = scsicmd[8];
tf->command = scsicmd[9];
}
+ /*
+ * If slave is possible, enforce correct master/slave bit
+ */
+ if (qc->ap->flags & ATA_FLAG_SLAVE_POSS)
+ tf->device = qc->dev->devno ?
+ tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1;
/*
* Filter SET_FEATURES - XFER MODE command -- otherwise,
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