[SCSI] lpfc 8.3.22: Add support for PCI Adapter Failure
Periodically poll adapter registers to detect pci adapter failure
(reads return -1). On failure, take port offline, set error indicators
and wake up worker threads. Threads will take adapter offline.
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 8e28edf..735028f 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -89,7 +89,8 @@
return 0;
/* Read the HBA Host Attention Register */
- ha_copy = readl(phba->HAregaddr);
+ if (lpfc_readl(phba->HAregaddr, &ha_copy))
+ return 1;
if (!(ha_copy & HA_LATT))
return 0;