req->using_dma = 1;
req->ctrl = USBA_BF(DMA_BUF_LEN, req->req.length)
| USBA_DMA_CH_EN | USBA_DMA_END_BUF_IE
- | USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
+ | USBA_DMA_END_BUF_EN;
- if (ep->is_in)
- req->ctrl |= USBA_DMA_END_BUF_EN;
+ if (!ep->is_in)
+ req->ctrl |= USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
/*
* Add this request to the queue and submit for DMA if
{
struct usba_ep *ep = to_usba_ep(_ep);
struct usba_udc *udc = ep->udc;
- struct usba_request *req = to_usba_req(_req);
+ struct usba_request *req;
unsigned long flags;
u32 status;
spin_lock_irqsave(&udc->lock, flags);
+ list_for_each_entry(req, &ep->queue, queue) {
+ if (&req->req == _req)
+ break;
+ }
+
+ if (&req->req != _req) {
+ spin_unlock_irqrestore(&udc->lock, flags);
+ return -EINVAL;
+ }
+
if (req->using_dma) {
/*
* If this request is currently being transferred,
static int atmel_usba_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver);
-static int atmel_usba_stop(struct usb_gadget *gadget,
- struct usb_gadget_driver *driver);
+static int atmel_usba_stop(struct usb_gadget *gadget);
+
static const struct usb_gadget_ops usba_udc_ops = {
.get_frame = usba_udc_get_frame,
.wakeup = usba_udc_wakeup,
.bInterval = 1,
};
-static void nop_release(struct device *dev)
-{
-
-}
-
static struct usb_gadget usba_gadget_template = {
.ops = &usba_udc_ops,
.max_speed = USB_SPEED_HIGH,
.name = "atmel_usba_udc",
- .dev = {
- .init_name = "gadget",
- .release = nop_release,
- },
};
/*
if ((epstatus & epctrl) & USBA_RX_BK_RDY) {
DBG(DBG_BUS, "%s: RX data ready\n", ep->ep.name);
receive_data(ep);
- usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
}
}
usba_writel(udc, INT_CLR, USBA_END_OF_RESET);
reset_all_endpoints(udc);
- if (udc->gadget.speed != USB_SPEED_UNKNOWN
- && udc->driver && udc->driver->disconnect) {
+ if (udc->gadget.speed != USB_SPEED_UNKNOWN && udc->driver) {
udc->gadget.speed = USB_SPEED_UNKNOWN;
spin_unlock(&udc->lock);
- udc->driver->disconnect(&udc->gadget);
+ usb_gadget_udc_reset(&udc->gadget, udc->driver);
spin_lock(&udc->lock);
}
return ret;
}
- DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);
-
udc->vbus_prev = 0;
if (gpio_is_valid(udc->vbus_pin))
enable_irq(gpio_to_irq(udc->vbus_pin));
return 0;
}
-static int atmel_usba_stop(struct usb_gadget *gadget,
- struct usb_gadget_driver *driver)
+static int atmel_usba_stop(struct usb_gadget *gadget)
{
struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget);
unsigned long flags;
clk_disable_unprepare(udc->hclk);
clk_disable_unprepare(udc->pclk);
- DBG(DBG_GADGET, "unregistered driver `%s'\n", udc->driver->driver.name);
-
udc->driver = NULL;
return 0;
.remove = __exit_p(usba_udc_remove),
.driver = {
.name = "atmel_usba_udc",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(atmel_udc_dt_ids),
},
};