diff options
| -rw-r--r-- | drivers/scsi/scsi_transport_spi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 5829f97a20681f..ace49d5bd9c49a 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -785,6 +785,7 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) { struct spi_internal *i = to_spi_internal(sdev->host->transportt); struct scsi_target *starget = sdev->sdev_target; + struct Scsi_Host *shost = sdev->host; int len = sdev->inquiry_len; /* first set us up for narrow async */ DV_SET(offset, 0); @@ -844,6 +845,14 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) if (spi_min_period(starget) == 8) DV_SET(pcomp_en, 1); } + /* now that we've done all this, actually check the bus + * signal type (if known). Some devices are stupid on + * a SE bus and still claim they can try LVD only settings */ + if (i->f->get_signalling) + i->f->get_signalling(shost); + if (spi_signalling(shost) == SPI_SIGNAL_SE || + spi_signalling(shost) == SPI_SIGNAL_HVD) + DV_SET(dt, 0); /* Do the read only INQUIRY tests */ spi_dv_retrain(sdev, buffer, buffer + sdev->inquiry_len, spi_dv_device_compare_inquiry); |