Kernel_dir := /home/chenyf/desktop/stm32mp157/linux/linux-stm32mp-5.4.31-r0/linux-5.4.31
current_dir := $(shell pwd)
obj-m := drv.o

build: kernel_modules

kernel_modules:
	$(MAKE) -C $(Kernel_dir) M=$(current_dir) modules
clean:
	$(MAKE) -C $(Kernel_dir) M=$(current_dir) clean