modify drivers

models/drivers.go

@@ -3,10 +3,18 @@ package models
 // collection of drivers ordered in map
 type Drivers map[string]*Driver
 
-func (d *Drivers) AddDriver(typ string) *Driver {
+func (d *Drivers) AddNewDriver(typ string) *Driver {
 	if drv, ok := (*d)[typ]; ok {
 		return drv
 	}
 	(*d)[typ] = &Driver{Type: typ}
 	return (*d)[typ]
 }
+
+func (d *Drivers) AddDriver(drv Driver) {
+	if driver, ok := (*d)[drv.Type]; ok {
+		driver.AddBuses(drv.Buses)
+		(*d)[drv.Type] = driver
+	}
+	(*d)[drv.Type] = &drv
+}