After configuration is done, save the configuration list. Then use the following command to compile the kernel image: #make zImage. After that, use the following command£º#make modules  to compile the driver module for the two USB WiFi Adaptors.

• The driver module for 321 is located at kernel source directory "drivers/net/wireless/rt2x00/"
• The driver module for 322 is located at kernel source directory "drivers/net/wireless/zd1211rw/"
• The driver module for mac80211 is located at kernel source directory "net/mac80211/"

Use the following commands to copy the necessary driver modules to "lib/" directory in the target file system:

For full article:  http://www.cutedigi.com/pub/Linux/LinuxPort/TUT13-4.pdf