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authorJames Smart <james.smart@emulex.com>2011-03-11 16:06:12 -0500
committerJames Bottomley <James.Bottomley@suse.de>2011-03-23 11:36:09 -0500
commit9940b97bb30d7435c881418c809ed652eb329583 (patch)
treed274c01b97553711c10f0d862b460aa3cd00ba02 /drivers/scsi/lpfc/lpfc_els.c
parent7f86059ac016d8662e5fbfab4875529510977b47 (diff)
[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>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_els.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 8e28edf9801e..735028fedda5 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -89,7 +89,8 @@ lpfc_els_chk_latt(struct lpfc_vport *vport)
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;