kernel: time: Add udelay_test module to validate udelay

[firefly-linux-kernel-4.4.55.git] / kernel / time / Makefile

diff --git a/kernel/time/Makefile b/kernel/time/Makefile
index 57a413fd0ebf557b947e8fe8b38e3c180f9bfedd..7347426fa68da18862584ba888cd34e876a31417 100644 (file)
--- a/kernel/time/Makefile
+++ b/kernel/time/Makefile
@@ -1,3 +1,4 @@
+obj-y += time.o timer.o hrtimer.o itimer.o posix-timers.o posix-cpu-timers.o
 obj-y += timekeeping.o ntp.o clocksource.o jiffies.o timer_list.o
 obj-y += timeconv.o posix-clock.o alarmtimer.o
 
@@ -12,3 +13,21 @@ obj-$(CONFIG_TICK_ONESHOT)                   += tick-oneshot.o
 obj-$(CONFIG_TICK_ONESHOT)                     += tick-sched.o
 obj-$(CONFIG_TIMER_STATS)                      += timer_stats.o
 obj-$(CONFIG_DEBUG_FS)                         += timekeeping_debug.o
+obj-$(CONFIG_TEST_UDELAY)                      += udelay_test.o
+
+$(obj)/time.o: $(obj)/timeconst.h
+
+quiet_cmd_hzfile = HZFILE  $@
+      cmd_hzfile = echo "hz=$(CONFIG_HZ)" > $@
+
+targets += hz.bc
+$(obj)/hz.bc: $(objtree)/include/config/hz.h FORCE
+       $(call if_changed,hzfile)
+
+quiet_cmd_bc  = BC      $@
+      cmd_bc  = bc -q $(filter-out FORCE,$^) > $@
+
+targets += timeconst.h
+$(obj)/timeconst.h: $(obj)/hz.bc $(src)/timeconst.bc FORCE
+       $(call if_changed,bc)
+