Patch 4/6: 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: Albert Lee <albertcc@xxxxxxxxxx> --- diff -Nrup 03_udma_supp/drivers/ata/libata-scsi.c 04_dev_bit/drivers/ata/libata-scsi.c --- 03_udma_supp/drivers/ata/libata-scsi.c 2007-06-07 11:41:30.000000000 +0800 +++ 04_dev_bit/drivers/ata/libata-scsi.c 2007-06-07 14:44:27.000000000 +0800 @@ -2595,12 +2595,10 @@ static unsigned int ata_scsi_pass_thru(s 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 ? - tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; + + /* enforce correct master/slave bit */ + tf->device = dev->devno ? + tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; /* sanity check for pio multi commands */ if ((cdb[1] & 0xe0) && !is_multi_taskfile(tf)) - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
