* response data */
static u32 udc_protocol_cmd_r(struct lpc32xx_udc *udc, u32 cmd)
{
- u32 tmp;
int to = 1000;
/* Write a command and read data from the protocol engine */
/* Write command code */
udc_protocol_cmd_w(udc, cmd);
- tmp = readl(USBD_DEVINTST(udc->udp_baseaddr));
while ((!(readl(USBD_DEVINTST(udc->udp_baseaddr)) & USBD_CDFULL))
&& (to > 0))
to--;
/* DMA end of transfer completion */
static void udc_handle_dma_ep(struct lpc32xx_udc *udc, struct lpc32xx_ep *ep)
{
- u32 status, epstatus;
+ u32 status;
struct lpc32xx_request *req;
struct lpc32xx_usbd_dd_gad *dd;
if (udc_clearep_getsts(udc, ep->hwep_num) & EP_SEL_F) {
udc_clearep_getsts(udc, ep->hwep_num);
uda_enable_hwepint(udc, ep->hwep_num);
- epstatus = udc_clearep_getsts(udc, ep->hwep_num);
+ udc_clearep_getsts(udc, ep->hwep_num);
/* Let the EP interrupt handle the ZLP */
return;
struct lpc32xx_ep *ep, *ep0 = &udc->ep[0];
struct usb_ctrlrequest ctrlpkt;
int i, bytes;
- u16 wIndex, wValue, wLength, reqtype, req, tmp;
+ u16 wIndex, wValue, reqtype, req, tmp;
/* Nuke previous transfers */
nuke(ep0, -EPROTO);
/* Native endianness */
wIndex = le16_to_cpu(ctrlpkt.wIndex);
wValue = le16_to_cpu(ctrlpkt.wValue);
- wLength = le16_to_cpu(ctrlpkt.wLength);
reqtype = le16_to_cpu(ctrlpkt.bRequestType);
/* Set direction of EP0 */
/* Get IRQs */
for (i = 0; i < 4; i++) {
udc->udp_irq[i] = platform_get_irq(pdev, i);
- if (udc->udp_irq[i] < 0) {
- dev_err(udc->dev,
- "irq resource %d not available!\n", i);
+ if (udc->udp_irq[i] < 0)
return udc->udp_irq[i];
- }
}
udc->udp_baseaddr = devm_ioremap_resource(dev, res);