diff options
| -rw-r--r-- | drivers/scsi/ipr.c | 17 | ||||
| -rw-r--r-- | drivers/scsi/ipr.h | 5 |
2 files changed, 19 insertions, 3 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index fa2cb3582cf..b6714da4d6e 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); diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 6bec673c925..b639332131f 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -36,8 +36,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.1.0" -#define IPR_DRIVER_DATE "(October 31, 2005)" +#define IPR_DRIVER_VERSION "2.1.1" +#define IPR_DRIVER_DATE "(November 15, 2005)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding @@ -922,6 +922,7 @@ struct ipr_ioa_cfg { u8 dump_taken:1; u8 allow_cmds:1; u8 allow_ml_add_del:1; + u8 needs_hard_reset:1; enum ipr_cache_state cache_state; u16 type; /* CCIN of the card */ |