3G
需修改文件（华为模块）
linux-3.10.14/drivers/usb/serial/option.c
linux-3.10.14/drivers/usb/serial/usb_wwan.c
linux-3.10.14/drivers/usb/serial/usb_wwan.h
linux-3.10.14/include/linux/usb.h

如果已经打过补丁 不需要修改上面文件

1、USB 串口驱动 编译配置项
make kernel_menuconfig
Device Drivers --->

[] USB support --->

<> Support for Host-side USB
<> USB Serial Converter support --->

[] USB Generic Serial Driver

<*> USB driver for GSM and CDMA modems

2、PPP 拨号的相关配置项
make kernel_menuconfig
Device Drivers --->

[] Network device support --->

<> PPP (point-to-point protocol) support
<*> PPP BSD-Compress compression

3、CDC ECM 驱动编译配置项
make kernel_menuconfig
Device Drivers --->
[] Network device support --->
USB Network Adapters --->
<> Multi-purpose USB Networking Framework
<> CDC Ethernet support (smart devices such as cable modems)
<> CDC MBIM support
4、页面luci
make menuconfig
LuCI(MTK) --->
6. Protocols --->
<> luci-proto-3g............................................. Support for 3G

Q9 模块未带电源管理
参考文档
TF卡
Device Drivers --->

<> MMC/SD/SDIO card support --->

<> MMC block device driver
[] Use bounce buffer for simple hosts

<> MTK SD/MMC
[] MTK AEE KDUMP

File systems --->

<> The Extended 4 (ext4) filesystem

[] Use ext4 for ext2/ext3 file systems
[*] Ext4 POSIX Access Control Lists

-----------MSDOS fs和VFAT fs--------------
File systems --->
DOS/FAT/NT Filesystems --->
<> MSDOS fs support

<> VFAT (Windows-95) fs support

(936) Default codepage for FAT

(cp936) Default iocharset for FAT

<> NTFS file system support

[] NTFS debugging support

[*] NTFS write support

tf卡挂载路径
/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/fstools-2014-06-22# vi block.c

snprintf(target, sizeof(target), "/mnt/%s", "media");