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path: root/drivers/usb/gadget/net2280.c
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Diffstat (limited to 'drivers/usb/gadget/net2280.c')
-rw-r--r--drivers/usb/gadget/net2280.c31
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 */
};