diff options
| -rw-r--r-- | arch/mips/kernel/smp-cps.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 6c5f15293a8e..22d4f9ff3ae2 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -281,6 +281,17 @@ static void __init cps_smp_setup(void) #endif /* CONFIG_MIPS_MT_FPAFF */ } +unsigned long calibrate_delay_is_known(void) +{ + int first_cpu_cluster = 0; + + /* The calibration has to be done on the primary CPU of the cluster */ + if (mips_cps_first_online_in_cluster(&first_cpu_cluster)) + return 0; + + return cpu_data[first_cpu_cluster].udelay_val; +} + static void __init cps_prepare_cpus(unsigned int max_cpus) { unsigned int nclusters, ncores, core_vpes, nvpe = 0, c, cl, cca; |