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[libata passthru] address slave devices correctly
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Mark Lord authored and Jeff Garzik committed Nov 13, 2005
1 parent e12a1be commit dcc2d1e
Showing 1 changed file with 6 additions and 0 deletions.
6 changes: 6 additions & 0 deletions drivers/scsi/libata-scsi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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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