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authorRafael J. Wysocki <rjw@rjwysocki.net>2013-10-25 22:36:40 +0200
committerRafael J. Wysocki <rjw@rjwysocki.net>2013-10-25 22:36:40 +0200
commit6ddee424fea2d269c2f402278d93165c7b92dc58 (patch)
treec1b1d0d9058846a6da22def648dea61e16faacd0 /drivers/cpufreq/cpufreq_userspace.c
parente4db1c7439b31993a4886b273bb9235a8eea82bf (diff)
parenta814613b9a32d9ab9578d9dab396265c826d37f0 (diff)
Merge back earlier 'pm-cpufreq' material.
Conflicts: drivers/cpufreq/omap-cpufreq.c
Diffstat (limited to 'drivers/cpufreq/cpufreq_userspace.c')
-rw-r--r--drivers/cpufreq/cpufreq_userspace.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c
index 03078090b5f7..4dbf1db16aca 100644
--- 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;