1 files changed, 21 insertions, 10 deletions

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 0b9293493957..1facdea56a8a 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 */
 };