diff options
Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r-- | drivers/ata/libata-scsi.c | 53 |
1 files changed, 9 insertions, 44 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 4209fb39f6..0a0f483124 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1208,7 +1208,6 @@ EXPORT_SYMBOL_GPL(ata_scsi_slave_destroy); static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) { struct scsi_cmnd *scmd = qc->scsicmd; - struct ata_taskfile *tf = &qc->tf; const u8 *cdb = scmd->cmnd; u16 fp; u8 bp = 0xff; @@ -1218,54 +1217,24 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) goto invalid_fld; } - tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; - tf->protocol = ATA_PROT_NODATA; - if (cdb[1] & 0x1) { - ; /* ignore IMMED bit, violates sat-r05 */ - } + /* LOEJ bit set not supported */ if (cdb[4] & 0x2) { fp = 4; bp = 1; - goto invalid_fld; /* LOEJ bit set not supported */ + goto invalid_fld; } + + /* Power conditions not supported */ if (((cdb[4] >> 4) & 0xf) != 0) { fp = 4; bp = 3; - goto invalid_fld; /* power conditions not supported */ + goto invalid_fld; } - if (cdb[4] & 0x1) { - tf->nsect = 1; /* 1 sector, lba=0 */ - - if (qc->dev->flags & ATA_DFLAG_LBA) { - tf->flags |= ATA_TFLAG_LBA; - - tf->lbah = 0x0; - tf->lbam = 0x0; - tf->lbal = 0x0; - tf->device |= ATA_LBA; - } else { - /* CHS */ - tf->lbal = 0x1; /* sect */ - tf->lbam = 0x0; /* cyl low */ - tf->lbah = 0x0; /* cyl high */ - } - - tf->command = ATA_CMD_VERIFY; /* READ VERIFY */ - } else { - /* Some odd clown BIOSen issue spindown on power off (ACPI S4 - * or S5) causing some drives to spin up and down again. - */ - if ((qc->ap->flags & ATA_FLAG_NO_POWEROFF_SPINDOWN) && - system_state == SYSTEM_POWER_OFF) - goto skip; - - if ((qc->ap->flags & ATA_FLAG_NO_HIBERNATE_SPINDOWN) && - system_entering_hibernation()) - goto skip; - - /* Issue ATA STANDBY IMMEDIATE command */ - tf->command = ATA_CMD_STANDBYNOW1; + /* Ignore IMMED bit (cdb[1] & 0x1), violates sat-r05 */ + if (!ata_dev_power_init_tf(qc->dev, &qc->tf, cdb[4] & 0x1)) { + ata_scsi_set_sense(qc->dev, scmd, ABORTED_COMMAND, 0, 0); + return 1; } /* @@ -1280,12 +1249,8 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) invalid_fld: ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); return 1; - skip: - scmd->result = SAM_STAT_GOOD; - return 1; } - /** * ata_scsi_flush_xlat - Translate SCSI SYNCHRONIZE CACHE command * @qc: Storage for translated ATA taskfile |