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-rw-r--r--drivers/usb/gadget/net2280.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 020d3c4..1facdea 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 */
};
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