diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 8ca2caeed01..451f79c6fba 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -944,6 +944,13 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) goto invalid_fld; /* LOEJ bit set not supported */ if (((cdb[4] >> 4) & 0xf) != 0) goto invalid_fld; /* power conditions not supported */ + + if (qc->dev->horkage & ATA_HORKAGE_SKIP_PM) { + /* the device lacks PM support, finish without doing anything */ + scmd->result = SAM_STAT_GOOD; + return 1; + } + if (cdb[4] & 0x1) { tf->nsect = 1; /* 1 sector, lba=0 */ |