--- zzzz-none-000/linux-4.4.271/tools/Makefile	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/tools/Makefile	2023-04-19 10:22:30.000000000 +0000
@@ -22,6 +22,7 @@
 	@echo '  virtio     - vhost test module'
 	@echo '  net        - misc networking tools'
 	@echo '  vm         - misc vm tools'
+	@echo '  gpio                   - GPIO tools'
 	@echo '  x86_energy_perf_policy - Intel energy policy tool'
 	@echo '  tmon       - thermal monitoring and tuning tool'
 	@echo '  freefall   - laptop accelerometer program for disk protection'
@@ -52,7 +53,7 @@
 cpupower: FORCE
 	$(call descend,power/$@)
 
-cgroup firewire hv guest usb virtio vm net iio: FORCE
+cgroup firewire hv guest usb virtio vm net iio gpio: FORCE
 	$(call descend,$@)
 
 liblockdep: FORCE
@@ -118,7 +119,7 @@
 cpupower_clean:
 	$(call descend,power/cpupower,clean)
 
-cgroup_clean hv_clean firewire_clean lguest_clean usb_clean virtio_clean vm_clean net_clean iio_clean:
+cgroup_clean hv_clean firewire_clean lguest_clean usb_clean virtio_clean vm_clean net_clean iio_clean gpio_clean:
 	$(call descend,$(@:_clean=),clean)
 
 liblockdep_clean:
@@ -145,6 +146,6 @@
 clean: acpi_clean cgroup_clean cpupower_clean hv_clean firewire_clean lguest_clean \
 		perf_clean selftests_clean turbostat_clean usb_clean virtio_clean \
 		vm_clean net_clean iio_clean x86_energy_perf_policy_clean tmon_clean \
-		freefall_clean
+		freefall_clean gpio_clean
 
 .PHONY: FORCE