make module with kernel headers

以zd1211rw為例

# cd linux-source/drivers/net/wireless/zd1211rw/

# vi Makefile

obj-(CONFIG_NET_ZD1211) -> obj-m =zd1211rw.o

# make -C ~/Work/kernel-header-2.6.27-android/ M=`pwd` CROSS_COMPILE=/path/to/toolchain/bin/arm-eabi- ./zd1211.ko