diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 11:00:52 +0900 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 11:00:52 +0900 |
commit | 45f6bc5ff9c3387387f048ec85dcb4e69acf0b03 (patch) | |
tree | d04952bb05b53a362bcd165fb910c5c1441b4c5d /drivers/cpufreq/cpufreq.c | |
parent | 3138887bd8d18173f3c2baf1e43621c49090cd27 (diff) | |
parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) |
Merge 3.10-rc3 into usb-next
We want these fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 1b8a48eaf90..2d53f47d174 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1075,14 +1075,14 @@ static int __cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif __func__, cpu_dev->id, cpu); } + if ((cpus == 1) && (cpufreq_driver->target)) + __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + pr_debug("%s: removing link, cpu: %d\n", __func__, cpu); cpufreq_cpu_put(data); /* If cpu is last user of policy, free policy */ if (cpus == 1) { - if (cpufreq_driver->target) - __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); - lock_policy_rwsem_read(cpu); kobj = &data->kobj; cmp = &data->kobj_unregister; @@ -1729,18 +1729,23 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, /* end old governor */ if (data->governor) { __cpufreq_governor(data, CPUFREQ_GOV_STOP); + unlock_policy_rwsem_write(policy->cpu); __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + lock_policy_rwsem_write(policy->cpu); } /* start new governor */ data->governor = policy->governor; if (!__cpufreq_governor(data, CPUFREQ_GOV_POLICY_INIT)) { - if (!__cpufreq_governor(data, CPUFREQ_GOV_START)) + if (!__cpufreq_governor(data, CPUFREQ_GOV_START)) { failed = 0; - else + } else { + unlock_policy_rwsem_write(policy->cpu); __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + lock_policy_rwsem_write(policy->cpu); + } } if (failed) { @@ -1832,15 +1837,13 @@ static int __cpuinit cpufreq_cpu_callback(struct notifier_block *nfb, if (dev) { switch (action) { case CPU_ONLINE: - case CPU_ONLINE_FROZEN: cpufreq_add_dev(dev, NULL); break; case CPU_DOWN_PREPARE: - case CPU_DOWN_PREPARE_FROZEN: + case CPU_UP_CANCELED_FROZEN: __cpufreq_remove_dev(dev, NULL); break; case CPU_DOWN_FAILED: - case CPU_DOWN_FAILED_FROZEN: cpufreq_add_dev(dev, NULL); break; } |