mcp251xfd_cmd_prepare_write_reg
len = mcp251xfd_cmd_prepare_write_reg(priv,
len = mcp251xfd_cmd_prepare_write_reg(priv, &tx_ring->rts_buf,
len = mcp251xfd_cmd_prepare_write_reg(priv, &rx_ring->irq_enable_buf,
len = mcp251xfd_cmd_prepare_write_reg(priv, &rx_ring->uinc_buf,
len = mcp251xfd_cmd_prepare_write_reg(priv,
len = mcp251xfd_cmd_prepare_write_reg(priv, &tef_ring->irq_enable_buf,
len = mcp251xfd_cmd_prepare_write_reg(priv, &tef_ring->uinc_buf,