66 	u32 txwr;	/* 0x20C */  member
383 static inline u32 grcan_txspace(size_t txsize, u32 txwr, u32 eskbp)  in grcan_txspace()  argument
386 	u32 used = grcan_ring_sub(txwr, eskbp, txsize) / GRCAN_MSG_SIZE;  in grcan_txspace()
697 				u32 txwr = grcan_read_reg(&regs->txwr);  in grcan_err()  local
699 				if (grcan_txspace(dma->tx.size, txwr,  in grcan_err()
832 		u32 txwr = grcan_read_reg(&regs->txwr);  in grcan_running_reset()  local
846 		grcan_write_reg(&regs->txwr, txwr);  in grcan_running_reset()
867 		if (grcan_txspace(priv->dma.tx.size, txwr, priv->eskbp) &&  in grcan_running_reset()
1285 				  u32 txwr, u32 oneshotmode,  in grcan_txbug_workaround()  argument
1302 		    grcan_read_reg(&regs->txrd) == txwr) {  in grcan_txbug_workaround()
1311 		if (grcan_txspace(dma->tx.size, txwr, priv->eskbp))  in grcan_txbug_workaround()
1359 	u32 id, txwr, txrd, space, txctrl;  in grcan_start_xmit()  local
1382 	txwr = grcan_read_reg(&regs->txwr);  in grcan_start_xmit()
1383 	space = grcan_txspace(dma->tx.size, txwr, priv->eskbp);  in grcan_start_xmit()
1385 	slotindex = txwr / GRCAN_MSG_SIZE;  in grcan_start_xmit()
1386 	slot = dma->tx.buf + txwr;  in grcan_start_xmit()
1438 		if (unlikely(grcan_ring_sub(txwr, txrd, dma->tx.size) == 1)) {  in grcan_start_xmit()
1441 			err = grcan_txbug_workaround(dev, skb, txwr,  in grcan_start_xmit()
1463 	grcan_write_reg(&regs->txwr,  in grcan_start_xmit()
1464 			grcan_ring_add(txwr, GRCAN_MSG_SIZE, dma->tx.size));  in grcan_start_xmit()