static int lh7a40x_ep_disable(struct usb_ep *ep);
static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep, gfp_t);
static void lh7a40x_free_request(struct usb_ep *ep, struct usb_request *);
-static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned, dma_addr_t *,
- gfp_t);
-static void lh7a40x_free_buffer(struct usb_ep *ep, void *, dma_addr_t,
- unsigned);
static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, gfp_t);
static int lh7a40x_dequeue(struct usb_ep *ep, struct usb_request *);
static int lh7a40x_set_halt(struct usb_ep *ep, int);
.alloc_request = lh7a40x_alloc_request,
.free_request = lh7a40x_free_request,
- .alloc_buffer = lh7a40x_alloc_buffer,
- .free_buffer = lh7a40x_free_buffer,
-
.queue = lh7a40x_queue,
.dequeue = lh7a40x_dequeue,
DEBUG("%s: %s\n", __FUNCTION__, driver->driver.name);
if (!driver
- || driver->speed != USB_SPEED_FULL
- || !driver->bind
- || !driver->unbind || !driver->disconnect || !driver->setup)
+ || driver->speed != USB_SPEED_FULL
+ || !driver->bind
+ || !driver->disconnect
+ || !driver->setup)
return -EINVAL;
if (!dev)
return -ENODEV;
if (!dev)
return -ENODEV;
- if (!driver || driver != dev->driver)
+ if (!driver || driver != dev->driver || !driver->unbind)
return -EINVAL;
spin_lock_irqsave(&dev->lock, flags);
spin_unlock_irqrestore(&dev->lock, flags);
driver->unbind(&dev->gadget);
+ dev->gadget.dev.driver = NULL;
device_del(&dev->gadget.dev);
udc_disable(dev);
kfree(req);
}
-static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned bytes,
- dma_addr_t * dma, gfp_t gfp_flags)
-{
- char *retval;
-
- DEBUG("%s (%p, %d, %d)\n", __FUNCTION__, ep, bytes, gfp_flags);
-
- retval = kmalloc(bytes, gfp_flags & ~(__GFP_DMA | __GFP_HIGHMEM));
- if (retval)
- *dma = virt_to_bus(retval);
- return retval;
-}
-
-static void lh7a40x_free_buffer(struct usb_ep *ep, void *buf, dma_addr_t dma,
- unsigned bytes)
-{
- DEBUG("%s, %p\n", __FUNCTION__, ep);
- kfree(buf);
-}
-
/** Queue one request
* Kickstart transfer if needed
* NOTE: Sets INDEX register
/*
* Attempts to halt IN endpoints will fail (returning -EAGAIN)
* if any transfer requests are still queued, or if the controller
- * FIFO still holds bytes that the host hasn\92t collected.
+ * FIFO still holds bytes that the host hasn't collected.
*/
spin_unlock_irqrestore(&ep->dev->lock, flags);
DEBUG
DEBUG("%s: %p\n", __FUNCTION__, pdev);
+ if (dev->driver)
+ return -EBUSY;
+
udc_disable(dev);
remove_proc_files();
- usb_gadget_unregister_driver(dev->driver);
free_irq(IRQ_USBINTR, dev);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_AUTHOR("Mikko Lahteenmaki, Bo Henriksen");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:lh7a40x_udc");