This is exactly what I'm doing in my sas2.0 driver.
Eric
On Wednesday, October 15, 2008 12:43 AM, Abhijit Paithankar wrote:
>
> Does this look like it could be useful upstream?
>
> Abhijit
>
> > Signed-off-by: Abhijit Paithankar <apaithan@xxxxxxxxxx>
> >
> > Index: linux-2.6.27/drivers/message/fusion/mptsas.c
> > ===================================================================
> > --- linux-2.6.27.orig/drivers/message/fusion/mptsas.c
> 2008-10-13 17:31:57.000000000 -0700
> > +++ linux-2.6.27/drivers/message/fusion/mptsas.c
> 2008-10-14 11:36:36.000000000 -0700
> > @@ -839,11 +839,15 @@ mptsas_sas_enclosure_pg0(MPT_ADAPTER *io
> > static int
> > mptsas_slave_configure(struct scsi_device *sdev)
> > {
> > + struct sas_rphy *rphy;
> >
> > if (sdev->channel == MPTSAS_RAID_CHANNEL)
> > goto out;
> >
> > - sas_read_port_mode_page(sdev);
> > + rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
> > + if (rphy->identify.device_type == SAS_END_DEVICE &&
> > + (rphy->identify.target_port_protocols & SAS_PROTOCOL_SSP))
> > + sas_read_port_mode_page(sdev);
> >
> > out:
> > return mptscsih_slave_configure(sdev);
>
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