ifneq ($(KERNELRELEASE),) 
obj-m	:= gpio_irq.o

else
KDIR	:= /lib/modules/$(shell uname -r)/build
PWD	:= $(shell pwd)

default:
	$(MAKE)	-C $(KDIR)	M=$(PWD) modules
endif

clean:
	rm -rf *.o *.ko *.cmd *.mod.* modules.order
	rm -rf Module.symvers .tmp_versions