64 	u32 txwr;	/* 0x20C */  member
381 static inline u32 grcan_txspace(size_t txsize, u32 txwr, u32 eskbp)  in grcan_txspace()  argument
384 	u32 used = grcan_ring_sub(txwr, eskbp, txsize) / GRCAN_MSG_SIZE;  in grcan_txspace()
694 				u32 txwr = grcan_read_reg(&regs->txwr);  in grcan_err()  local
696 				if (grcan_txspace(dma->tx.size, txwr,  in grcan_err()
829 		u32 txwr = grcan_read_reg(&regs->txwr);  in grcan_running_reset()  local
843 		grcan_write_reg(&regs->txwr, txwr);  in grcan_running_reset()
864 		if (grcan_txspace(priv->dma.tx.size, txwr, priv->eskbp) &&  in grcan_running_reset()
1267 				  u32 txwr, u32 oneshotmode,  in grcan_txbug_workaround()  argument
1284 		    grcan_read_reg(&regs->txrd) == txwr) {  in grcan_txbug_workaround()
1293 		if (grcan_txspace(dma->tx.size, txwr, priv->eskbp))  in grcan_txbug_workaround()
1341 	u32 id, txwr, txrd, space, txctrl;  in grcan_start_xmit()  local
1364 	txwr = grcan_read_reg(&regs->txwr);  in grcan_start_xmit()
1365 	space = grcan_txspace(dma->tx.size, txwr, priv->eskbp);  in grcan_start_xmit()
1367 	slotindex = txwr / GRCAN_MSG_SIZE;  in grcan_start_xmit()
1368 	slot = dma->tx.buf + txwr;  in grcan_start_xmit()
1420 		if (unlikely(grcan_ring_sub(txwr, txrd, dma->tx.size) == 1)) {  in grcan_start_xmit()
1423 			err = grcan_txbug_workaround(dev, skb, txwr,  in grcan_start_xmit()
1444 	grcan_write_reg(&regs->txwr,  in grcan_start_xmit()
1445 			grcan_ring_add(txwr, GRCAN_MSG_SIZE, dma->tx.size));  in grcan_start_xmit()