diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-06-28 15:26:17 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-06-28 15:26:17 -0700 |
| commit | 9f84b6267ccde1bebe3f9cd40a91716b5ece5e20 (patch) | |
| tree | b51dcf9fb1b7205ed8134ad1169e73719897163d /drivers/cpufreq/cpufreq.c | |
| parent | 719038de98bc8479b771c582a1e4a1e86079da22 (diff) | |
| parent | 5f8c4218148822fde6eebbeefc34bd0a6061e031 (diff) | |
Merge remote-tracking branch 'origin/x86/fpu' into queue/x86/cpu
Use the union of 3.10 x86/cpu and x86/fpu as baseline.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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 1b8a48eaf90f..2d53f47d1747 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; } |