usb: gadget: net2280: remove fiforegs as it is unused

Remove fiforegs from struct net2280 and net2280_ep as it is unused.
By the way, ep->fiforegs = &dev->fiforegs[i] assignment is incorrect.
It should be ep->fiforegs = &dev->fiforegs[ne[i]], but it doesn't
matter now.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/net2280.c

@@ -1996,11 +1996,9 @@ static void usb_reinit_338x(struct net2280 *dev)
 			ep->regs = (struct net2280_ep_regs __iomem *)
 				(((void __iomem *)&dev->epregs[ne[i]]) +
 				ep_reg_addr[i]);
-			ep->fiforegs = &dev->fiforegs[i];
 		} else {
 			ep->cfg = &dev->epregs[i];
 			ep->regs = &dev->epregs[i];
-			ep->fiforegs = &dev->fiforegs[i];
 		}
 
 		ep->fifo_size = (i != 0) ? 2048 : 512;
@@ -3380,8 +3378,6 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		u32 usbstat;
 		dev->usb_ext = (struct usb338x_usb_ext_regs __iomem *)
 							(base + 0x00b4);
-		dev->fiforegs = (struct usb338x_fifo_regs __iomem *)
-							(base + 0x0500);
 		dev->llregs = (struct usb338x_ll_regs __iomem *)
 							(base + 0x0700);
 		dev->ll_lfps_regs = (struct usb338x_ll_lfps_regs __iomem *)

drivers/usb/gadget/udc/net2280.h

@@ -96,7 +96,6 @@ struct net2280_ep {
 	struct net2280_ep_regs			__iomem *regs;
 	struct net2280_dma_regs			__iomem *dma;
 	struct net2280_dma			*dummy;
-	struct usb338x_fifo_regs __iomem *fiforegs;
 	dma_addr_t				td_dma;	/* of dummy */
 	struct net2280				*dev;
 	unsigned long				irqs;
@@ -181,7 +180,6 @@ struct net2280 {
 	struct net2280_dma_regs		__iomem *dma;
 	struct net2280_dep_regs		__iomem *dep;
 	struct net2280_ep_regs		__iomem *epregs;
-	struct usb338x_fifo_regs	__iomem *fiforegs;
 	struct usb338x_ll_regs		__iomem *llregs;
 	struct usb338x_ll_lfps_regs	__iomem *ll_lfps_regs;
 	struct usb338x_ll_tsn_regs	__iomem *ll_tsn_regs;