diff options
| author | Jeff Skirvin <jeffrey.d.skirvin@intel.com> | 2011-06-20 14:09:26 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2011-07-03 04:04:50 -0700 |
| commit | fd0527ab15bfd96f04b084b1b2550f80cf151b60 (patch) | |
| tree | 09aa91b2f990da3145c025343a865c3a59524611 /drivers/scsi/isci/port.c | |
| parent | fd53660120b5eda06539225de56755dc389a4e64 (diff) | |
| download | linux-fd0527ab15bfd96f04b084b1b2550f80cf151b60.tar.bz2 | |
isci: Hard reset failure will link reset all phys in the port
In the case where the hard reset process fails, each link in
the port is put through a link reset sequence.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci/port.c')
| -rw-r--r-- | drivers/scsi/isci/port.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index 2946eee8e702..e540281ebd49 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -1916,7 +1916,7 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor { unsigned long flags; enum sci_status status; - int ret = TMF_RESP_FUNC_COMPLETE; + int idx, ret = TMF_RESP_FUNC_COMPLETE; dev_dbg(&ihost->pdev->dev, "%s: iport = %p\n", __func__, iport); @@ -1953,14 +1953,26 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor * the same as link failures on all phys in the port. */ if (ret != TMF_RESP_FUNC_COMPLETE) { + dev_err(&ihost->pdev->dev, "%s: iport = %p; hard reset failed " - "(0x%x) - sending link down to libsas for phy %p\n", - __func__, iport, iport->hard_reset_status, iphy); + "(0x%x) - driving explicit link fail for all phys\n", + __func__, iport, iport->hard_reset_status); - isci_port_link_down(ihost, iphy, iport); - } + /* Down all phys in the port. */ + spin_lock_irqsave(&ihost->scic_lock, flags); + for (idx = 0; idx < SCI_MAX_PHYS; ++idx) { + + if (iport->sci.phy_table[idx] != NULL) { + scic_sds_phy_stop( + iport->sci.phy_table[idx]); + scic_sds_phy_start( + iport->sci.phy_table[idx]); + } + } + spin_unlock_irqrestore(&ihost->scic_lock, flags); + } return ret; } |