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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:30:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:30:12 -0800 |
| commit | f61ea1b0c825a20a1826bb43a226387091934586 (patch) | |
| tree | fdedf0a2368f707e3fd5205db05bfcbac79606ec /drivers/scsi/ipr.c | |
| parent | d347da0deffa1d8f88f0d270eab040e4707c9916 (diff) | |
| parent | 7b32b8e018d8f8cc94c808a5fa84a3f889441b91 (diff) | |
| download | kernel_samsung_aries-f61ea1b0c825a20a1826bb43a226387091934586.zip kernel_samsung_aries-f61ea1b0c825a20a1826bb43a226387091934586.tar.gz kernel_samsung_aries-f61ea1b0c825a20a1826bb43a226387091934586.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
Diffstat (limited to 'drivers/scsi/ipr.c')
| -rw-r--r-- | drivers/scsi/ipr.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index fa2cb35..b6714da 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); |