Driver modules related to USB devices (2.6 kernel)

A. Core Module

Usbcore ------> corresponding Kernel configuration parameter config_usb

B. USB master controller driver module

Ehci_hcd (EHCI) USB 2.0 supports ------> config_usb_ehci_hcd

Uhci_hcd (uhci) PC system chip support ------> config_usb_uhci_hcd

Ohci_hcd (OHCI) Non-PC system chip support------> Config_usb_ohci_hcd

C. driver modules of various USB devices

1). USB mouse

Mousedev
Usbhid
Usbmouse

2). USB keyboard

Keybdev
Usbkdb--------> Config_usb_kbd

3). u drive and USB card reader

USB-storage --------> config_usb_storage
sd_mod --------> config_blk_dev_sd
scsi_mod --------> config_blk_dev_sr

4 ). mobile hard drive

USB-storage USB storage device support
Ide_scsi simulates the IDE into SCSI--------> Config_blk_dev_idescsi
Scsi_mod SCSI support
Sd_mod SCSI hard drive support

PS: kernel module names of different versions are slightly different. You can view/lib/modules/'uname-R'/kernel/Drivers/USB/
.