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yaml
---
r: 163091
b: refs/heads/master
c: 909a694
h: refs/heads/master
i:
  163089: 1d8e0ca
  163087: 89b2425
v: v3
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Dave Jones committed Sep 1, 2009
1 parent 7ae3f78 commit b99dcc2
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Showing 2 changed files with 53 additions and 38 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 19d6f7ec3eb1652fc89dd05ebcc2a21a95c60a5a
refs/heads/master: 909a694e336bf3a6e48b5b51129887a1c5cae04c
89 changes: 52 additions & 37 deletions trunk/drivers/cpufreq/cpufreq.c
Original file line number Diff line number Diff line change
Expand Up @@ -784,6 +784,57 @@ int cpufreq_add_dev_symlink(unsigned int cpu, struct cpufreq_policy *policy)
return ret;
}

int cpufreq_add_dev_interface(unsigned int cpu, struct cpufreq_policy *policy,
struct sys_device *sys_dev)
{
struct freq_attr **drv_attr;
unsigned long flags;
int ret = 0;
unsigned int j;

/* prepare interface data */
ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq,
&sys_dev->kobj, "cpufreq");
if (ret)
return ret;

/* set up files for this cpu device */
drv_attr = cpufreq_driver->attr;
while ((drv_attr) && (*drv_attr)) {
ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr));
if (ret)
goto err_out_kobj_put;
drv_attr++;
}
if (cpufreq_driver->get) {
ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr);
if (ret)
goto err_out_kobj_put;
}
if (cpufreq_driver->target) {
ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
if (ret)
goto err_out_kobj_put;
}

spin_lock_irqsave(&cpufreq_driver_lock, flags);
for_each_cpu(j, policy->cpus) {
if (!cpu_online(j))
continue;
per_cpu(cpufreq_cpu_data, j) = policy;
per_cpu(policy_cpu, j) = policy->cpu;
}
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);

ret = cpufreq_add_dev_symlink(cpu, policy);
return ret;

err_out_kobj_put:
kobject_put(&policy->kobj);
wait_for_completion(&policy->kobj_unregister);
return ret;
}


/**
* cpufreq_add_dev - add a CPU device
Expand All @@ -800,7 +851,6 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
int ret = 0;
struct cpufreq_policy new_policy;
struct cpufreq_policy *policy;
struct freq_attr **drv_attr;
unsigned long flags;
unsigned int j;

Expand Down Expand Up @@ -923,41 +973,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
#endif
memcpy(&new_policy, policy, sizeof(struct cpufreq_policy));

/* prepare interface data */
ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &sys_dev->kobj,
"cpufreq");
if (ret)
goto out_driver_exit;

/* set up files for this cpu device */
drv_attr = cpufreq_driver->attr;
while ((drv_attr) && (*drv_attr)) {
ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr));
if (ret)
goto err_out_kobj_put;
drv_attr++;
}
if (cpufreq_driver->get) {
ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr);
if (ret)
goto err_out_kobj_put;
}
if (cpufreq_driver->target) {
ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
if (ret)
goto err_out_kobj_put;
}

spin_lock_irqsave(&cpufreq_driver_lock, flags);
for_each_cpu(j, policy->cpus) {
if (!cpu_online(j))
continue;
per_cpu(cpufreq_cpu_data, j) = policy;
per_cpu(policy_cpu, j) = policy->cpu;
}
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);

ret = cpufreq_add_dev_symlink(cpu, policy->cpus, policy);
ret = cpufreq_add_dev_interface(cpu, policy, sys_dev);
if (ret)
goto err_out_unregister;

Expand Down Expand Up @@ -990,7 +1006,6 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
per_cpu(cpufreq_cpu_data, j) = NULL;
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);

err_out_kobj_put:
kobject_put(&policy->kobj);
wait_for_completion(&policy->kobj_unregister);

Expand Down

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