diff options
| -rw-r--r-- | drivers/message/fusion/mptbase.c | 88 |
1 files changed, 50 insertions, 38 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 266414ca2814..bb7ad4d0678a 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1387,39 +1387,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) /* Set lookup ptr. */ list_add_tail(&ioc->list, &ioc_list); - ioc->pci_irq = -1; - if (pdev->irq) { - if (mpt_msi_enable && !pci_enable_msi(pdev)) - printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n", ioc->name); - - r = request_irq(pdev->irq, mpt_interrupt, SA_SHIRQ, ioc->name, ioc); - - if (r < 0) { -#ifndef __sparc__ - printk(MYIOC_s_ERR_FMT "Unable to allocate interrupt %d!\n", - ioc->name, pdev->irq); -#else - printk(MYIOC_s_ERR_FMT "Unable to allocate interrupt %s!\n", - ioc->name, __irq_itoa(pdev->irq)); -#endif - list_del(&ioc->list); - iounmap(mem); - kfree(ioc); - return -EBUSY; - } - - ioc->pci_irq = pdev->irq; - - pci_set_master(pdev); /* ?? */ - pci_set_drvdata(pdev, ioc); - -#ifndef __sparc__ - dprintk((KERN_INFO MYNAM ": %s installed at interrupt %d\n", ioc->name, pdev->irq)); -#else - dprintk((KERN_INFO MYNAM ": %s installed at interrupt %s\n", ioc->name, __irq_itoa(pdev->irq))); -#endif - } - /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets. */ mpt_detect_bound_ports(ioc, pdev); @@ -1429,11 +1396,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) printk(KERN_WARNING MYNAM ": WARNING - %s did not initialize properly! (%d)\n", ioc->name, r); - list_del(&ioc->list); - free_irq(ioc->pci_irq, ioc); - if (mpt_msi_enable) - pci_disable_msi(pdev); if (ioc->alt_ioc) ioc->alt_ioc->alt_ioc = NULL; iounmap(mem); @@ -1637,6 +1600,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) int handlers; int ret = 0; int reset_alt_ioc_active = 0; + int irq_allocated = 0; printk(KERN_INFO MYNAM ": Initiating %s %s\n", ioc->name, reason==MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery"); @@ -1720,6 +1684,48 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) } } + /* + * Device is reset now. It must have de-asserted the interrupt line + * (if it was asserted) and it should be safe to register for the + * interrupt now. + */ + if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { + ioc->pci_irq = -1; + if (ioc->pcidev->irq) { + if (mpt_msi_enable && !pci_enable_msi(ioc->pcidev)) + printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n", + ioc->name); + rc = request_irq(ioc->pcidev->irq, mpt_interrupt, + SA_SHIRQ, ioc->name, ioc); + if (rc < 0) { +#ifndef __sparc__ + printk(MYIOC_s_ERR_FMT "Unable to allocate " + "interrupt %d!\n", ioc->name, + ioc->pcidev->irq); +#else + printk(MYIOC_s_ERR_FMT "Unable to allocate " + "interrupt %s!\n", ioc->name, + __irq_itoa(ioc->pcidev->irq)); +#endif + if (mpt_msi_enable) + pci_disable_msi(ioc->pcidev); + return -EBUSY; + } + irq_allocated = 1; + ioc->pci_irq = ioc->pcidev->irq; + pci_set_master(ioc->pcidev); /* ?? */ + pci_set_drvdata(ioc->pcidev, ioc); +#ifndef __sparc__ + dprintk((KERN_INFO MYNAM ": %s installed at interrupt " + "%d\n", ioc->name, ioc->pcidev->irq)); +#else + dprintk((KERN_INFO MYNAM ": %s installed at interrupt " + "%s\n", ioc->name, + __irq_itoa(ioc->pcidev->irq))); +#endif + } + } + /* Prime reply & request queues! * (mucho alloc's) Must be done prior to * init as upper addresses are needed for init. @@ -1819,7 +1825,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) ret = mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT); if(ret != 0) - return -1; + goto out; } /* Find IM volumes @@ -1900,6 +1906,12 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) /* FIXME? Examine results here? */ } +out: + if ((ret != 0) && irq_allocated) { + free_irq(ioc->pci_irq, ioc); + if (mpt_msi_enable) + pci_disable_msi(ioc->pcidev); + } return ret; } |