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| author | Lan Tianyu <tianyu.lan@intel.com> | 2013-09-11 20:49:57 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-17 23:00:20 +0200 |
| commit | a814613b9a32d9ab9578d9dab396265c826d37f0 (patch) | |
| tree | febeb2049b61c8b1fbe1e90b92f0e2d7b2cf779c /drivers/cpufreq/cpufreq_userspace.c | |
| parent | 7ad65d592b0a7f70fe21af2e3d4d02c76333d5a0 (diff) | |
| download | lwn-a814613b9a32d9ab9578d9dab396265c826d37f0.tar.gz lwn-a814613b9a32d9ab9578d9dab396265c826d37f0.zip | |
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/cpufreq/cpufreq_userspace.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_userspace.c | 11 |
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; |