259 	struct grcan_dma dma;  member
505 	struct grcan_dma *dma = &priv->dma;  in catch_up_echo_skb()  local
531 					     dma->tx.size);  in catch_up_echo_skb()
541 	struct grcan_dma *dma = &priv->dma;  in grcan_lost_one_shot_frame()  local
562 		txrd = grcan_ring_add(txrd, GRCAN_MSG_SIZE, dma->tx.size);  in grcan_lost_one_shot_frame()
580 	struct grcan_dma *dma = &priv->dma;  in grcan_err()  local
699 				if (grcan_txspace(dma->tx.size, txwr,  in grcan_err()
867 		if (grcan_txspace(priv->dma.tx.size, txwr, priv->eskbp) &&  in grcan_running_reset()
929 	struct grcan_dma *dma = &priv->dma;  in grcan_free_dma_buffers()  local
931 	dma_free_coherent(&dev->dev, dma->base_size, dma->base_buf,  in grcan_free_dma_buffers()
932 			  dma->base_handle);  in grcan_free_dma_buffers()
933 	memset(dma, 0, sizeof(*dma));  in grcan_free_dma_buffers()
940 	struct grcan_dma *dma = &priv->dma;  in grcan_allocate_dma_buffers()  local
941 	struct grcan_dma_buffer *large = rsize > tsize ? &dma->rx : &dma->tx;  in grcan_allocate_dma_buffers()
942 	struct grcan_dma_buffer *small = rsize > tsize ? &dma->tx : &dma->rx;  in grcan_allocate_dma_buffers()
955 	dma->base_size = lsize + ssize + GRCAN_BUFFER_ALIGNMENT;  in grcan_allocate_dma_buffers()
956 	dma->base_buf = dma_alloc_coherent(&dev->dev,  in grcan_allocate_dma_buffers()
957 					   dma->base_size,  in grcan_allocate_dma_buffers()
958 					   &dma->base_handle,  in grcan_allocate_dma_buffers()
961 	if (!dma->base_buf)  in grcan_allocate_dma_buffers()
964 	dma->tx.size = tsize;  in grcan_allocate_dma_buffers()
965 	dma->rx.size = rsize;  in grcan_allocate_dma_buffers()
967 	large->handle = ALIGN(dma->base_handle, GRCAN_BUFFER_ALIGNMENT);  in grcan_allocate_dma_buffers()
969 	shift = large->handle - dma->base_handle;  in grcan_allocate_dma_buffers()
971 	large->buf = dma->base_buf + shift;  in grcan_allocate_dma_buffers()
986 	grcan_write_reg(&regs->txaddr, priv->dma.tx.handle);  in grcan_start()
987 	grcan_write_reg(&regs->txsize, priv->dma.tx.size);  in grcan_start()
990 	grcan_write_reg(&regs->rxaddr, priv->dma.rx.handle);  in grcan_start()
991 	grcan_write_reg(&regs->rxsize, priv->dma.rx.size);  in grcan_start()
1048 	struct grcan_dma *dma = &priv->dma;  in grcan_open()  local
1060 	priv->echo_skb = kzalloc(dma->tx.size * sizeof(*priv->echo_skb),  in grcan_open()
1066 	priv->can.echo_skb_max = dma->tx.size;  in grcan_open()
1069 	priv->txdlc = kzalloc(dma->tx.size * sizeof(*priv->txdlc), GFP_KERNEL);  in grcan_open()
1171 	struct grcan_dma *dma = &priv->dma;  in grcan_receive()  local
1197 		slot = dma->rx.buf + rd;  in grcan_receive()
1224 		rd = grcan_ring_add(rd, GRCAN_MSG_SIZE, dma->rx.size);  in grcan_receive()
1289 	struct grcan_dma *dma = &priv->dma;  in grcan_txbug_workaround()  local
1310 		if (grcan_txspace(dma->tx.size, txwr, priv->eskbp))  in grcan_txbug_workaround()
1356 	struct grcan_dma *dma = &priv->dma;  in grcan_start_xmit()  local
1382 	space = grcan_txspace(dma->tx.size, txwr, priv->eskbp);  in grcan_start_xmit()
1385 	slot = dma->tx.buf + txwr;  in grcan_start_xmit()
1437 		if (unlikely(grcan_ring_sub(txwr, txrd, dma->tx.size) == 1)) {  in grcan_start_xmit()
1463 			grcan_ring_add(txwr, GRCAN_MSG_SIZE, dma->tx.size));  in grcan_start_xmit()