Linux開啟3G USB dongle支援

在make menuconfig select the below configuration items.
[*] Customize Kernel Settings (NEW)
[*] Customize Vendor/User Settings (NEW)

在In Kernel Settings/Linux Kernel Configuration
Device Drivers --->
[*] USB support --->
[*] Support for Host-side USB
<*> EHCI HCD (USB 2.0) support
<*> OHCI HCD support
[*] XXX OHCI HCD support
<*> USB Serial Converter support --->
[*] USB Generic Serial Driver
<M> USB driver for GSM and CDMA modems
[*] USB Network Adapters ->
[*] Multi-purpose USB Networking Framework

在Vendor/User Settings.
Network Applications --->
[*] 3G connection (usb_modeswitch, comgt, pppd, sdparm, and
dial-up scripts) 

XXX/XXX_SDK/source/user/hso-1.6 (dongle driver)
XXX/XXX_SDK/source/user/usb_modeswitch-0.9.5/conf (mode switch)