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authorLan Tianyu <tianyu.lan@intel.com>2013-09-11 20:49:57 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-17 23:00:20 +0200
commita814613b9a32d9ab9578d9dab396265c826d37f0 (patch)
treefebeb2049b61c8b1fbe1e90b92f0e2d7b2cf779c /drivers
parent7ad65d592b0a7f70fe21af2e3d4d02c76333d5a0 (diff)
downloadleg-kernel-a814613b9a32d9ab9578d9dab396265c826d37f0.tar.gz
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>
Diffstat (limited to 'drivers')
-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;