diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index 01506504e6d0..3d18d2ba4786 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -138,7 +138,8 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
 						 dpm_state_table[index].tscale);
 	}
 
-	policy->cpuinfo.transition_latency = (bfin_read_PLL_LOCKCNT() / (sclk / 1000000)) * 1000;
+	policy->cpuinfo.transition_latency = 50000; /* 50us assumed */
+
 	/*Now ,only support one cpu */
 	policy->cur = cclk;
 	cpufreq_frequency_table_get_attr(bfin_freq_table, policy->cpu);