EXTRA_CFLAGS="-O3"
obj-m := gpiofd.o

all:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
#	make -C /usr/src/linux M=$(PWD) modules

clean:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
#	make -C /usr/src/linux M=$(PWD) clean