cpufreq / governor: Remove fossil comment

cpufreq_set_policy() has been changed to origin __cpufreq_set_policy()
and policy->lock has been converted to rewrite lock by commit 5a01f2.
So remove the comment.

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

diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c
index 0307809..4dbf1db 100644 (file)
--- a/drivers/cpufreq/cpufreq_userspace.c
+++ b/drivers/cpufreq/cpufreq_userspace.c
@@ -38,18 +38,7 @@ static int cpufreq_set(struct cpufreq_policy *policy, unsigned int freq)
        if (!per_cpu(cpu_is_managed, policy->cpu))
                goto err;
 
-       /*
-        * We're safe from concurrent calls to ->target() here
-        * as we hold the userspace_mutex lock. If we were calling
-        * cpufreq_driver_target, a deadlock situation might occur:
-        * A: cpufreq_set (lock userspace_mutex) ->
-        *      cpufreq_driver_target(lock policy->lock)
-        * B: cpufreq_set_policy(lock policy->lock) ->
-        *      __cpufreq_governor ->
-        *         cpufreq_governor_userspace (lock userspace_mutex)
-        */
        ret = __cpufreq_driver_target(policy, freq, CPUFREQ_RELATION_L);
-
  err:
        mutex_unlock(&userspace_mutex);
        return ret;