Don't register r4k sched clock when CPUFREQ enabled because sched clock
need a constant frequency.

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <redacted>
---
 arch/mips/kernel/csrc-r4k.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c
index 1f91056..5131b98 100644
--- a/arch/mips/kernel/csrc-r4k.c
+++ b/arch/mips/kernel/csrc-r4k.c

@@ -82,7 +82,9 @@ int __init init_r4k_clocksource(void)
 
 	clocksource_register_hz(&clocksource_mips, mips_hpt_frequency);
 
+#ifndef CONFIG_CPUFREQ
 	sched_clock_register(r4k_read_sched_clock, 32, mips_hpt_frequency);
+#endif