diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_driver.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_driver.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index da4a2cfb61b..e397ec0d388 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -104,6 +104,9 @@ static int __devinit ipath_init_one(struct pci_dev *, #define PCI_DEVICE_ID_INFINIPATH_HT 0xd #define PCI_DEVICE_ID_INFINIPATH_PE800 0x10 +/* Number of seconds before our card status check... */ +#define STATUS_TIMEOUT 60 + static const struct pci_device_id ipath_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_HT) }, { PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_PE800) }, @@ -119,6 +122,18 @@ static struct pci_driver ipath_driver = { .id_table = ipath_pci_tbl, }; +static void ipath_check_status(struct work_struct *work) +{ + struct ipath_devdata *dd = container_of(work, struct ipath_devdata, + status_work.work); + + /* + * If we don't have any interrupts, let the user know and + * don't bother checking again. + */ + if (dd->ipath_int_counter == 0) + dev_err(&dd->pcidev->dev, "No interrupts detected.\n"); +} static inline void read_bars(struct ipath_devdata *dd, struct pci_dev *dev, u32 *bar0, u32 *bar1) @@ -187,6 +202,8 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev) dd->pcidev = pdev; pci_set_drvdata(pdev, dd); + INIT_DELAYED_WORK(&dd->status_work, ipath_check_status); + list_add(&dd->ipath_list, &ipath_dev_list); bail_unlock: @@ -511,6 +528,9 @@ static int __devinit ipath_init_one(struct pci_dev *pdev, ipath_diag_add(dd); ipath_register_ib_device(dd); + /* Check that card status in STATUS_TIMEOUT seconds. */ + schedule_delayed_work(&dd->status_work, HZ * STATUS_TIMEOUT); + goto bail; bail_irqsetup: @@ -638,6 +658,9 @@ static void __devexit ipath_remove_one(struct pci_dev *pdev) */ ipath_shutdown_device(dd); + cancel_delayed_work(&dd->status_work); + flush_scheduled_work(); + if (dd->verbs_dev) ipath_unregister_ib_device(dd->verbs_dev); |