diff options
Diffstat (limited to 'drivers/usb/gadget/at91_udc.c')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index c9e66dfb02e..89d90b5fb78 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -469,14 +469,13 @@ static int at91_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) { struct at91_ep *ep = container_of(_ep, struct at91_ep, ep); - struct at91_udc *udc = ep->udc; + struct at91_udc *udc; u16 maxpacket; u32 tmp; unsigned long flags; if (!_ep || !ep - || !desc || ep->ep.desc - || _ep->name == ep0name + || !desc || _ep->name == ep0name || desc->bDescriptorType != USB_DT_ENDPOINT || (maxpacket = usb_endpoint_maxp(desc)) == 0 || maxpacket > ep->maxpacket) { @@ -484,6 +483,7 @@ static int at91_ep_enable(struct usb_ep *_ep, return -EINVAL; } + udc = ep->udc; if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) { DBG("bogus device state\n"); return -ESHUTDOWN; @@ -530,7 +530,6 @@ ok: tmp |= AT91_UDP_EPEDS; __raw_writel(tmp, ep->creg); - ep->ep.desc = desc; ep->ep.maxpacket = maxpacket; /* @@ -1635,7 +1634,6 @@ static int at91_start(struct usb_gadget *gadget, udc->driver = driver; udc->gadget.dev.driver = &driver->driver; udc->gadget.dev.of_node = udc->pdev->dev.of_node; - dev_set_drvdata(&udc->gadget.dev, &driver->driver); udc->enabled = 1; udc->selfpowered = 1; @@ -1656,7 +1654,6 @@ static int at91_stop(struct usb_gadget *gadget, spin_unlock_irqrestore(&udc->lock, flags); udc->gadget.dev.driver = NULL; - dev_set_drvdata(&udc->gadget.dev, NULL); udc->driver = NULL; DBG("unbound from %s\n", driver->driver.name); @@ -1703,7 +1700,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev) int retval; struct resource *res; - if (!dev->platform_data) { + if (!dev->platform_data && !pdev->dev.of_node) { /* small (so we copy it) but critical! */ DBG("missing platform_data\n"); return -ENODEV; |