diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/net2280.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 020d3c42b1a..1facdea56a8 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -2966,6 +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); +} + /*-------------------------------------------------------------------------*/ @@ -2995,6 +3011,7 @@ static struct pci_driver net2280_pci_driver = { .probe = net2280_probe, .remove = net2280_remove, + .shutdown = net2280_shutdown, /* FIXME add power management support */ }; |