From f9880e76fd15795b5917b20f54eeca764b0f3ccb Mon Sep 17 00:00:00 2001 From: Prasanna Mumbai Date: Mon, 21 Mar 2011 03:34:26 -0700 Subject: [PATCH] [SCSI] qla4xxx: Do not retry ISP82XX initialization if H/W state is failed Signed-off-by: Vikas Chaudhary Signed-off-by: Prasanna Mumbai Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 967836ef5ab2..409b20d62ef5 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -1630,6 +1630,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, uint8_t init_retry_count = 0; char buf[34]; struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; + uint32_t dev_state; if (pci_enable_device(pdev)) return -1; @@ -1713,6 +1714,18 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST); while ((!test_bit(AF_ONLINE, &ha->flags)) && init_retry_count++ < MAX_INIT_RETRIES) { + + if (is_qla8022(ha)) { + qla4_8xxx_idc_lock(ha); + dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + qla4_8xxx_idc_unlock(ha); + if (dev_state == QLA82XX_DEV_FAILED) { + ql4_printk(KERN_WARNING, ha, "%s: don't retry " + "initialize adapter. H/W is in failed state\n", + __func__); + break; + } + } DEBUG2(printk("scsi: %s: retrying adapter initialization " "(%d)\n", __func__, init_retry_count));