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-rw-r--r--drivers/cpufreq/cpufreq.c79
-rw-r--r--drivers/cpufreq/cpufreq_stats.c1
2 files changed, 39 insertions, 41 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 987a165ede26..8c2df3499da7 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -679,7 +679,7 @@ static struct kobj_type ktype_cpufreq = {
*/
static int cpufreq_add_dev_policy(unsigned int cpu,
struct cpufreq_policy *policy,
- struct sys_device *sys_dev)
+ struct device *dev)
{
int ret = 0;
#ifdef CONFIG_SMP
@@ -728,7 +728,7 @@ static int cpufreq_add_dev_policy(unsigned int cpu,
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
pr_debug("CPU already managed, adding link\n");
- ret = sysfs_create_link(&sys_dev->kobj,
+ ret = sysfs_create_link(&dev->kobj,
&managed_policy->kobj,
"cpufreq");
if (ret)
@@ -761,7 +761,7 @@ static int cpufreq_add_dev_symlink(unsigned int cpu,
for_each_cpu(j, policy->cpus) {
struct cpufreq_policy *managed_policy;
- struct sys_device *cpu_sys_dev;
+ struct device *cpu_dev;
if (j == cpu)
continue;
@@ -770,8 +770,8 @@ static int cpufreq_add_dev_symlink(unsigned int cpu,
pr_debug("CPU %u already managed, adding link\n", j);
managed_policy = cpufreq_cpu_get(cpu);
- cpu_sys_dev = get_cpu_sysdev(j);
- ret = sysfs_create_link(&cpu_sys_dev->kobj, &policy->kobj,
+ cpu_dev = get_cpu_device(j);
+ ret = sysfs_create_link(&cpu_dev->kobj, &policy->kobj,
"cpufreq");
if (ret) {
cpufreq_cpu_put(managed_policy);
@@ -783,7 +783,7 @@ static int cpufreq_add_dev_symlink(unsigned int cpu,
static int cpufreq_add_dev_interface(unsigned int cpu,
struct cpufreq_policy *policy,
- struct sys_device *sys_dev)
+ struct device *dev)
{
struct cpufreq_policy new_policy;
struct freq_attr **drv_attr;
@@ -793,7 +793,7 @@ static int cpufreq_add_dev_interface(unsigned int cpu,
/* prepare interface data */
ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq,
- &sys_dev->kobj, "cpufreq");
+ &dev->kobj, "cpufreq");
if (ret)
return ret;
@@ -866,9 +866,9 @@ err_out_kobj_put:
* with with cpu hotplugging and all hell will break loose. Tried to clean this
* mess up, but more thorough testing is needed. - Mathieu
*/
-static int cpufreq_add_dev(struct sys_device *sys_dev)
+static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
{
- unsigned int cpu = sys_dev->id;
+ unsigned int cpu = dev->id;
int ret = 0, found = 0;
struct cpufreq_policy *policy;
unsigned long flags;
@@ -947,7 +947,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
CPUFREQ_START, policy);
- ret = cpufreq_add_dev_policy(cpu, policy, sys_dev);
+ ret = cpufreq_add_dev_policy(cpu, policy, dev);
if (ret) {
if (ret > 0)
/* This is a managed cpu, symlink created,
@@ -956,7 +956,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
goto err_unlock_policy;
}
- ret = cpufreq_add_dev_interface(cpu, policy, sys_dev);
+ ret = cpufreq_add_dev_interface(cpu, policy, dev);
if (ret)
goto err_out_unregister;
@@ -999,15 +999,15 @@ module_out:
* Caller should already have policy_rwsem in write mode for this CPU.
* This routine frees the rwsem before returning.
*/
-static int __cpufreq_remove_dev(struct sys_device *sys_dev)
+static int __cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)
{
- unsigned int cpu = sys_dev->id;
+ unsigned int cpu = dev->id;
unsigned long flags;
struct cpufreq_policy *data;
struct kobject *kobj;
struct completion *cmp;
#ifdef CONFIG_SMP
- struct sys_device *cpu_sys_dev;
+ struct device *cpu_dev;
unsigned int j;
#endif
@@ -1032,7 +1032,7 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
pr_debug("removing link\n");
cpumask_clear_cpu(cpu, data->cpus);
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
- kobj = &sys_dev->kobj;
+ kobj = &dev->kobj;
cpufreq_cpu_put(data);
unlock_policy_rwsem_write(cpu);
sysfs_remove_link(kobj, "cpufreq");
@@ -1071,8 +1071,8 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
strncpy(per_cpu(cpufreq_cpu_governor, j),
data->governor->name, CPUFREQ_NAME_LEN);
#endif
- cpu_sys_dev = get_cpu_sysdev(j);
- kobj = &cpu_sys_dev->kobj;
+ cpu_dev = get_cpu_device(j);
+ kobj = &cpu_dev->kobj;
unlock_policy_rwsem_write(cpu);
sysfs_remove_link(kobj, "cpufreq");
lock_policy_rwsem_write(cpu);
@@ -1112,11 +1112,11 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
if (unlikely(cpumask_weight(data->cpus) > 1)) {
/* first sibling now owns the new sysfs dir */
cpumask_clear_cpu(cpu, data->cpus);
- cpufreq_add_dev(get_cpu_sysdev(cpumask_first(data->cpus)));
+ cpufreq_add_dev(get_cpu_device(cpumask_first(data->cpus)), NULL);
/* finally remove our own symlink */
lock_policy_rwsem_write(cpu);
- __cpufreq_remove_dev(sys_dev);
+ __cpufreq_remove_dev(dev, sif);
}
#endif
@@ -1128,9 +1128,9 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
}
-static int cpufreq_remove_dev(struct sys_device *sys_dev)
+static int cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)
{
- unsigned int cpu = sys_dev->id;
+ unsigned int cpu = dev->id;
int retval;
if (cpu_is_offline(cpu))
@@ -1139,7 +1139,7 @@ static int cpufreq_remove_dev(struct sys_device *sys_dev)
if (unlikely(lock_policy_rwsem_write(cpu)))
BUG();
- retval = __cpufreq_remove_dev(sys_dev);
+ retval = __cpufreq_remove_dev(dev, sif);
return retval;
}
@@ -1271,9 +1271,11 @@ out:
}
EXPORT_SYMBOL(cpufreq_get);
-static struct sysdev_driver cpufreq_sysdev_driver = {
- .add = cpufreq_add_dev,
- .remove = cpufreq_remove_dev,
+static struct subsys_interface cpufreq_interface = {
+ .name = "cpufreq",
+ .subsys = &cpu_subsys,
+ .add_dev = cpufreq_add_dev,
+ .remove_dev = cpufreq_remove_dev,
};
@@ -1765,25 +1767,25 @@ static int __cpuinit cpufreq_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
- struct sys_device *sys_dev;
+ struct device *dev;
- sys_dev = get_cpu_sysdev(cpu);
- if (sys_dev) {
+ dev = get_cpu_device(cpu);
+ if (dev) {
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
- cpufreq_add_dev(sys_dev);
+ cpufreq_add_dev(dev, NULL);
break;
case CPU_DOWN_PREPARE:
case CPU_DOWN_PREPARE_FROZEN:
if (unlikely(lock_policy_rwsem_write(cpu)))
BUG();
- __cpufreq_remove_dev(sys_dev);
+ __cpufreq_remove_dev(dev, NULL);
break;
case CPU_DOWN_FAILED:
case CPU_DOWN_FAILED_FROZEN:
- cpufreq_add_dev(sys_dev);
+ cpufreq_add_dev(dev, NULL);
break;
}
}
@@ -1830,8 +1832,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
cpufreq_driver = driver_data;
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
- ret = sysdev_driver_register(&cpu_sysdev_class,
- &cpufreq_sysdev_driver);
+ ret = subsys_interface_register(&cpufreq_interface);
if (ret)
goto err_null_driver;
@@ -1850,7 +1851,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
if (ret) {
pr_debug("no CPU initialized for driver %s\n",
driver_data->name);
- goto err_sysdev_unreg;
+ goto err_if_unreg;
}
}
@@ -1858,9 +1859,8 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
pr_debug("driver %s up and running\n", driver_data->name);
return 0;
-err_sysdev_unreg:
- sysdev_driver_unregister(&cpu_sysdev_class,
- &cpufreq_sysdev_driver);
+err_if_unreg:
+ subsys_interface_unregister(&cpufreq_interface);
err_null_driver:
spin_lock_irqsave(&cpufreq_driver_lock, flags);
cpufreq_driver = NULL;
@@ -1887,7 +1887,7 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver)
pr_debug("unregistering driver %s\n", driver->name);
- sysdev_driver_unregister(&cpu_sysdev_class, &cpufreq_sysdev_driver);
+ subsys_interface_unregister(&cpufreq_interface);
unregister_hotcpu_notifier(&cpufreq_cpu_notifier);
spin_lock_irqsave(&cpufreq_driver_lock, flags);
@@ -1907,8 +1907,7 @@ static int __init cpufreq_core_init(void)
init_rwsem(&per_cpu(cpu_policy_rwsem, cpu));
}
- cpufreq_global_kobject = kobject_create_and_add("cpufreq",
- &cpu_sysdev_class.kset.kobj);
+ cpufreq_global_kobject = kobject_create_and_add("cpufreq", &cpu_subsys.dev_root->kobj);
BUG_ON(!cpufreq_global_kobject);
register_syscore_ops(&cpufreq_syscore_ops);
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index c5072a91e848..390380a8cfc9 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -11,7 +11,6 @@
#include <linux/kernel.h>
#include <linux/slab.h>
-#include <linux/sysdev.h>
#include <linux/cpu.h>
#include <linux/sysfs.h>
#include <linux/cpufreq.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 22:54:31 +0000