musb_hdrc: Trivial DMA fixes after recent update

Trivial DMA fixes after recent update
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/usb/musb/musb_gadget.c

@@ -128,7 +128,7 @@ __acquires(ep->musb->Lock)
 						: DMA_FROM_DEVICE);
 			req->request.dma = DMA_ADDR_INVALID;
 			req->mapped = 0;
-		} else
+		} else if (req->request.dma != DMA_ADDR_INVALID)
 			dma_sync_single_for_cpu(musb->controller,
 					req->request.dma,
 					req->request.length,

drivers/usb/musb/plat_uds.c

@@ -1857,6 +1857,7 @@ static int __devinit musb_probe(struct platform_device *pdev)
 
 static int __devexit musb_remove(struct platform_device *pdev)
 {
+	struct device	*dev = &pdev->dev;
 	struct musb	*musb = dev_to_musb(&pdev->dev);
 	void __iomem	*ctrl_base = musb->ctrl_base;