On Wed, 24 Jun 2009, Prabhu Chawandi wrote: > Hi All, > > I am my device, there are two host controllers with one prot each. > > I want to check which contoller is being used for, So may I know where > is the piece of code which cam help me to check > > cotroller under use ... It's easy to find out which controller is connected to which port. All you have to do is plug a USB device into one of the ports, and then look at the messages appearing in the system log. They will tell you which controller manages that port. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html