Modify Kernel Configuration - Quectel UC20 User Manual

The UC20's VID and PID as follows:
 VID – 0x05c6
 PID – 0x9003
Open the file "option.c" in the path of "\drivers\usb\serial" and find the struct array "static
structusb_device_idoption_ids[]". Insert "{USB_DEVICE (0x05c6,0x9003)}," to the array, then save and
close it. The content of the file"option.c" is shown as below:

3.2.3. Modify Kernel Configuration

Select the configuration items of USB to serial driver of the Linux kernel, so that the OS can support the
UC20 module.
Retrieve the appropriate kernel source code version for your embedded system. Unpack it to your host
machine and put it in its root directory type:
#make menuconfig
Configure the kernel according to the considered system configuration; then browse through the menus
"Device Driver""USB Support" "USB Serial Converter support" and choose "USB Generic Serial
Driver" and "USB driver for GSM and CDMA modems" as build-in , the illustration is shown as below:
UC20_Embedded_Linux_USB_Driver_User_Guide
UC20 Embedded Linux USB Driver User Guide
Figure 2: Add UC20 Support
Confidential / Released
UMTS/HSPA Module
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