This is needed for hrtimer_switch_to_hres() to get called.
hrtimer_run_queues()
|-tick_check_oneshot_change()
| \-timekeeping_is_continuous()
|   \- flags check
\-hrtimer_switch_to_hres()

Signed-off-by: Domen Puncer <domen.puncer@telargo.com>

---
 arch/powerpc/kernel/time.c |    1 +
 1 file changed, 1 insertion(+)

Index: work-powerpc.git/arch/powerpc/kernel/time.c
===================================================================
--- work-powerpc.git.orig/arch/powerpc/kernel/time.c
+++ work-powerpc.git/arch/powerpc/kernel/time.c
@@ -1039,6 +1039,7 @@ struct clocksource clocksource_timebase 
 	.mask = (cycle_t)-1,
 	.mult = 0,
 	.shift = 22,
+	.flags = CLOCK_SOURCE_VALID_FOR_HRES,
 };