cpufreq: arm_big_little: Make ->get_transition_latency() mandatory

All users of arm_big_little driver are defining it and there is no need
to keep it optional.

Make it mandatory to remove the always true conditional statement.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c
index ea6d62547b10dea2afe9957448c3fb06b8742e66..17504129fd778164aadcdbbee89dbbbdb40d22b4 100644 (file)
--- a/drivers/cpufreq/arm_big_little.c
+++ b/drivers/cpufreq/arm_big_little.c
@@ -483,11 +483,8 @@ static int bL_cpufreq_init(struct cpufreq_policy *policy)
                return ret;
        }
 
-       if (arm_bL_ops->get_transition_latency)
-               policy->cpuinfo.transition_latency =
-                       arm_bL_ops->get_transition_latency(cpu_dev);
-       else
-               policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+       policy->cpuinfo.transition_latency =
+                               arm_bL_ops->get_transition_latency(cpu_dev);
 
        if (is_bL_switching_enabled())
                per_cpu(cpu_last_req_freq, policy->cpu) = clk_get_cpu_rate(policy->cpu);
@@ -622,7 +619,8 @@ int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops)
                return -EBUSY;
        }
 
-       if (!ops || !strlen(ops->name) || !ops->init_opp_table) {
+       if (!ops || !strlen(ops->name) || !ops->init_opp_table ||
+           !ops->get_transition_latency) {
                pr_err("%s: Invalid arm_bL_ops, exiting\n", __func__);
                return -ENODEV;
        }