自动创建设备号和设备节点(2)

1 obj-m := my_char_dev.o
2 KDIR := /home/win/dn377org/trunk/bcm7252/linux/
3 all:
4    make -C $(KDIR) M=$(PWD) modules CROSS_COMPILE=arm-linux- ARCH=arm
5 clean:
6    rm -f *.ko *.o *.mod.o *.mod.c *.symvers *.bak *.order