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MIPS: Don't register r4k sched clock when CPUFREQ enabled 

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

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J . Hill <Steven.Hill@caviumnetworks.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13820/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Huacai Chen 2016-07-22 11:46:31 +08:00 committed by Ralf Baechle
parent 6dabf2b7a5
commit 07d69579e7
1 changed files with 3 additions and 1 deletions
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4
arch/mips/kernel/csrc-r4k.c
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@ -23,7 +23,7 @@ static struct clocksource clocksource_mips = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static u64 notrace r4k_read_sched_clock(void)
static u64 __maybe_unused notrace r4k_read_sched_clock(void)
{
return read_c0_count();
}
@ -82,7 +82,9 @@ int __init init_r4k_clocksource(void)
clocksource_register_hz(&clocksource_mips, mips_hpt_frequency);
#ifndef CONFIG_CPU_FREQ
sched_clock_register(r4k_read_sched_clock, 32, mips_hpt_frequency);
#endif
return 0;
}