516 	u32 id, dlc;  in rockchip_canfd_start_xmit()  local
533 		dlc = can_len2dlc(cf->len) & DLC_MASK;  in rockchip_canfd_start_xmit()
534 		dlc |= FORMAT_MASK;  in rockchip_canfd_start_xmit()
538 			dlc |= RTR_MASK;  in rockchip_canfd_start_xmit()
542 		dlc = can_len2dlc(cf->len) & DLC_MASK;  in rockchip_canfd_start_xmit()
546 			dlc |= RTR_MASK;  in rockchip_canfd_start_xmit()
550 		dlc |= TX_FD_ENABLE;  in rockchip_canfd_start_xmit()
552 			dlc |= TX_FD_BRS_ENABLE;  in rockchip_canfd_start_xmit()
568 		rockchip_canfd_write(rcan, CAN_TXFIC, dlc);  in rockchip_canfd_start_xmit()
580 	rockchip_canfd_write(rcan, CAN_TXFIC, dlc);  in rockchip_canfd_start_xmit()
602 	u32 id_rockchip_canfd, dlc;  in rockchip_canfd_rx()  local
607 	dlc = rockchip_canfd_read(rcan, CAN_RXFRD);  in rockchip_canfd_rx()
615 		if (!dlc && !id_rockchip_canfd)  in rockchip_canfd_rx()
631 	if (dlc & FDF_MASK)  in rockchip_canfd_rx()
641 	if (dlc & FDF_MASK)  in rockchip_canfd_rx()
642 		cf->len = can_dlc2len(dlc & DLC_MASK);  in rockchip_canfd_rx()
644 		cf->len = get_can_dlc(dlc & DLC_MASK);  in rockchip_canfd_rx()
647 	if (dlc & FORMAT_MASK) {  in rockchip_canfd_rx()
651 		if (dlc & RTR_MASK)  in rockchip_canfd_rx()
656 		if (dlc & RTR_MASK)  in rockchip_canfd_rx()
660 	if (dlc & BRS_MASK)  in rockchip_canfd_rx()
745 	u32 dlc = 0;  in rockchip_canfd_interrupt()  local
750 		dlc = rockchip_canfd_read(rcan, CAN_TXFIC);  in rockchip_canfd_interrupt()
752 		if (dlc & FDF_MASK)  in rockchip_canfd_interrupt()
753 			stats->tx_bytes += can_dlc2len(dlc & DLC_MASK);  in rockchip_canfd_interrupt()
755 			stats->tx_bytes += (dlc & DLC_MASK);  in rockchip_canfd_interrupt()
757 		if (rcan->txtorx && rcan->mode >= ROCKCHIP_CAN_MODE && dlc & FORMAT_MASK) {  in rockchip_canfd_interrupt()