usb: gadget: udc: net2280: Remove dma_started field

Remove dma_started field from net2280_ep structure, since it is not used
by any function.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/net2280.c

@@ -834,16 +834,12 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req)
 static inline void resume_dma(struct net2280_ep *ep)
 {
 	writel(readl(&ep->dma->dmactl) | BIT(DMA_ENABLE), &ep->dma->dmactl);
-
-	ep->dma_started = true;
 }
 
 static inline void ep_stop_dma(struct net2280_ep *ep)
 {
 	writel(readl(&ep->dma->dmactl) & ~BIT(DMA_ENABLE), &ep->dma->dmactl);
 	spin_stop_dma(ep->dma);
-
-	ep->dma_started = false;
 }
 
 static inline void

drivers/usb/gadget/udc/net2280.h

@@ -100,7 +100,7 @@ struct net2280_ep {
 	dma_addr_t				td_dma;	/* of dummy */
 	struct net2280				*dev;
 	unsigned long				irqs;
-	unsigned is_halt:1, dma_started:1;
+	unsigned is_halt:1;
 
 	/* analogous to a host-side qh */
 	struct list_head			queue;