1 files changed, 16 insertions, 1 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index fa2cb3582cfa..b6714da4d6e2 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5887,7 +5887,12 @@ static int __devinit ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg)
         ENTER;
         spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags);
         dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg);
-        _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, IPR_SHUTDOWN_NONE);
+        if (ioa_cfg->needs_hard_reset) {
+                ioa_cfg->needs_hard_reset = 0;
+                ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+        } else
+                _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa,
+                                        IPR_SHUTDOWN_NONE);
 
         spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags);
         wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
@@ -6264,6 +6269,7 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
         unsigned long ipr_regs_pci;
         void __iomem *ipr_regs;
         u32 rc = PCIBIOS_SUCCESSFUL;
+        volatile u32 mask, uproc;
 
         ENTER;
 
@@ -6356,6 +6362,15 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
                 goto cleanup_nomem;
         }
 
+        /*
+         * If HRRQ updated interrupt is not masked, or reset alert is set,
+         * the card is in an unknown state and needs a hard reset
+         */
+        mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+        uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg);
+        if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT))
+                ioa_cfg->needs_hard_reset = 1;
+
         ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
         rc = request_irq(pdev->irq, ipr_isr, SA_SHIRQ, IPR_NAME, ioa_cfg);