microblaze: Clear top bit from cnt32_to_63



Top bit is used as garbage and it must be clear
explicitly.
It is causing the problem with soft lookup code
because it checks delays which are long when
top bit is setup.

Signed-off-by: Michal Simek <monstr@monstr.eu>

parent e9308cfd

arch/microblaze/kernel/timer.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -308,7 +308,8 @@ unsigned long long notrace sched_clock(void)
		{
		if (timer_initialized) {
		struct clocksource *cs = &clocksource_microblaze;
		cycle_t cyc = cnt32_to_63(cs->read(NULL));

		cycle_t cyc = cnt32_to_63(cs->read(NULL)) & LLONG_MAX;
		return clocksource_cyc2ns(cyc, cs->mult, cs->shift);
		}
		return 0;