On Thu, 22 Jan 2009, Madhukar G wrote: > Hi All, > > I'm new to linux kernel development. To understand better i had taken > USB stack as sample. I would like to know which part of USB core > determines whether a mass storage device or HID device is attached. I > have fair knowledge of USB 2.0 specs. > > I had chance to look at hub.c file located in core. In this file there > is a routine hub_events() which sends a series of hub requests and > finds out which device is plugged in. But i could not find out which > descriptors will determine the type of device attached. Can any one > help me in this regard. > > Any help is much appreciated. Take a look at usb_device_match() and the four functions immediately preceding it in drivers/usb/core/driver.c. 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
