472 	struct can_frame *cf = (struct can_frame *)skb->data;  in flexcan_start_xmit()  local
475 	u32 ctrl = FLEXCAN_MB_CODE_TX_DATA | (cf->can_dlc << 16);  in flexcan_start_xmit()
482 	if (cf->can_id & CAN_EFF_FLAG) {  in flexcan_start_xmit()
483 		can_id = cf->can_id & CAN_EFF_MASK;  in flexcan_start_xmit()
486 		can_id = (cf->can_id & CAN_SFF_MASK) << 18;  in flexcan_start_xmit()
489 	if (cf->can_id & CAN_RTR_FLAG)  in flexcan_start_xmit()
492 	if (cf->can_dlc > 0) {  in flexcan_start_xmit()
493 		data = be32_to_cpup((__be32 *)&cf->data[0]);  in flexcan_start_xmit()
496 	if (cf->can_dlc > 3) {  in flexcan_start_xmit()
497 		data = be32_to_cpup((__be32 *)&cf->data[4]);  in flexcan_start_xmit()
518 		       struct can_frame *cf, u32 reg_esr)  in do_bus_err()  argument
523 	cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;  in do_bus_err()
527 		cf->data[2] |= CAN_ERR_PROT_BIT1;  in do_bus_err()
532 		cf->data[2] |= CAN_ERR_PROT_BIT0;  in do_bus_err()
537 		cf->can_id |= CAN_ERR_ACK;  in do_bus_err()
538 		cf->data[3] = CAN_ERR_PROT_LOC_ACK;  in do_bus_err()
543 		cf->data[2] |= CAN_ERR_PROT_BIT;  in do_bus_err()
544 		cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;  in do_bus_err()
549 		cf->data[2] |= CAN_ERR_PROT_FORM;  in do_bus_err()
554 		cf->data[2] |= CAN_ERR_PROT_STUFF;  in do_bus_err()
568 	struct can_frame *cf;  in flexcan_poll_bus_err()  local
570 	skb = alloc_can_err_skb(dev, &cf);  in flexcan_poll_bus_err()
574 	do_bus_err(dev, cf, reg_esr);  in flexcan_poll_bus_err()
577 	dev->stats.rx_bytes += cf->can_dlc;  in flexcan_poll_bus_err()
587 	struct can_frame *cf;  in flexcan_poll_state()  local
611 	skb = alloc_can_err_skb(dev, &cf);  in flexcan_poll_state()
615 	can_change_state(dev, cf, tx_state, rx_state);  in flexcan_poll_state()
621 	dev->stats.rx_bytes += cf->can_dlc;  in flexcan_poll_state()
628 			      struct can_frame *cf)  in flexcan_read_fifo()  argument
638 		cf->can_id = ((reg_id >> 0) & CAN_EFF_MASK) | CAN_EFF_FLAG;  in flexcan_read_fifo()
640 		cf->can_id = (reg_id >> 18) & CAN_SFF_MASK;  in flexcan_read_fifo()
643 		cf->can_id |= CAN_RTR_FLAG;  in flexcan_read_fifo()
644 	cf->can_dlc = get_can_dlc((reg_ctrl >> 16) & 0xf);  in flexcan_read_fifo()
646 	*(__be32 *)(cf->data + 0) = cpu_to_be32(flexcan_read(&mb->data[0]));  in flexcan_read_fifo()
647 	*(__be32 *)(cf->data + 4) = cpu_to_be32(flexcan_read(&mb->data[1]));  in flexcan_read_fifo()
657 	struct can_frame *cf;  in flexcan_read_frame()  local
660 	skb = alloc_can_skb(dev, &cf);  in flexcan_read_frame()
666 	flexcan_read_fifo(dev, cf);  in flexcan_read_frame()
669 	stats->rx_bytes += cf->can_dlc;  in flexcan_read_frame()