diff options
Diffstat (limited to 'drivers/usb/gadget/net2280.c')
| -rw-r--r-- | drivers/usb/gadget/net2280.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 0b929349395..1facdea56a8 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -2822,7 +2822,6 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) unsigned long resource, len; void __iomem *base = NULL; int retval, i; - char buf [8], *bufp; /* if you want to support more than one controller in a system, * usb_gadget_driver_{register,unregister}() must change. @@ -2896,15 +2895,10 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) retval = -ENODEV; goto done; } -#ifndef __sparc__ - scnprintf (buf, sizeof buf, "%d", pdev->irq); - bufp = buf; -#else - bufp = __irq_itoa(pdev->irq); -#endif + if (request_irq (pdev->irq, net2280_irq, SA_SHIRQ, driver_name, dev) != 0) { - ERROR (dev, "request interrupt %s failed\n", bufp); + ERROR (dev, "request interrupt %d failed\n", pdev->irq); retval = -EBUSY; goto done; } @@ -2953,8 +2947,8 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) /* done */ INFO (dev, "%s\n", driver_desc); - INFO (dev, "irq %s, pci mem %p, chip rev %04x\n", - bufp, base, dev->chiprev); + INFO (dev, "irq %d, pci mem %p, chip rev %04x\n", + pdev->irq, base, dev->chiprev); INFO (dev, "version: " DRIVER_VERSION "; dma %s\n", use_dma ? (use_dma_chaining ? "chaining" : "enabled") @@ -2972,6 +2966,22 @@ done: return retval; } +/* make sure the board is quiescent; otherwise it will continue + * generating IRQs across the upcoming reboot. + */ + +static void net2280_shutdown (struct pci_dev *pdev) +{ + struct net2280 *dev = pci_get_drvdata (pdev); + + /* disable IRQs */ + writel (0, &dev->regs->pciirqenb0); + writel (0, &dev->regs->pciirqenb1); + + /* disable the pullup so the host will think we're gone */ + writel (0, &dev->usb->usbctl); +} + /*-------------------------------------------------------------------------*/ @@ -3001,6 +3011,7 @@ static struct pci_driver net2280_pci_driver = { .probe = net2280_probe, .remove = net2280_remove, + .shutdown = net2280_shutdown, /* FIXME add power management support */ }; |