diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 31d6f535a79d..01dde80597f7 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c | |||
| @@ -754,6 +754,11 @@ static struct kobj_type ktype_cpufreq = { | |||
| 754 | .release = cpufreq_sysfs_release, | 754 | .release = cpufreq_sysfs_release, |
| 755 | }; | 755 | }; |
| 756 | 756 | ||
| 757 | static struct kobj_type ktype_empty_cpufreq = { | ||
| 758 | .sysfs_ops = &sysfs_ops, | ||
| 759 | .release = cpufreq_sysfs_release, | ||
| 760 | }; | ||
| 761 | |||
| 757 | 762 | ||
| 758 | /** | 763 | /** |
| 759 | * cpufreq_add_dev - add a CPU device | 764 | * cpufreq_add_dev - add a CPU device |
| @@ -822,8 +827,8 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
| 822 | dprintk("initialization failed\n"); | 827 | dprintk("initialization failed\n"); |
| 823 | goto err_out; | 828 | goto err_out; |
| 824 | } | 829 | } |
| 825 | policy->user_policy.min = policy->cpuinfo.min_freq; | 830 | policy->user_policy.min = policy->min; |
| 826 | policy->user_policy.max = policy->cpuinfo.max_freq; | 831 | policy->user_policy.max = policy->max; |
| 827 | 832 | ||
| 828 | blocking_notifier_call_chain(&cpufreq_policy_notifier_list, | 833 | blocking_notifier_call_chain(&cpufreq_policy_notifier_list, |
| 829 | CPUFREQ_START, policy); | 834 | CPUFREQ_START, policy); |
| @@ -876,26 +881,36 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
| 876 | memcpy(&new_policy, policy, sizeof(struct cpufreq_policy)); | 881 | memcpy(&new_policy, policy, sizeof(struct cpufreq_policy)); |
| 877 | 882 | ||
| 878 | /* prepare interface data */ | 883 | /* prepare interface data */ |
| 879 | ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &sys_dev->kobj, | 884 | if (!cpufreq_driver->hide_interface) { |
| 880 | "cpufreq"); | 885 | ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, |
| 881 | if (ret) | 886 | &sys_dev->kobj, "cpufreq"); |
| 882 | goto err_out_driver_exit; | ||
| 883 | |||
| 884 | /* set up files for this cpu device */ | ||
| 885 | drv_attr = cpufreq_driver->attr; | ||
| 886 | while ((drv_attr) && (*drv_attr)) { | ||
| 887 | ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr)); | ||
| 888 | if (ret) | 887 | if (ret) |
| 889 | goto err_out_driver_exit; | 888 | goto err_out_driver_exit; |
| 890 | drv_attr++; | 889 | |
| 891 | } | 890 | /* set up files for this cpu device */ |
| 892 | if (cpufreq_driver->get) { | 891 | drv_attr = cpufreq_driver->attr; |
| 893 | ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr); | 892 | while ((drv_attr) && (*drv_attr)) { |
| 894 | if (ret) | 893 | ret = sysfs_create_file(&policy->kobj, |
| 895 | goto err_out_driver_exit; | 894 | &((*drv_attr)->attr)); |
| 896 | } | 895 | if (ret) |
| 897 | if (cpufreq_driver->target) { | 896 | goto err_out_driver_exit; |
| 898 | ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr); | 897 | drv_attr++; |
| 898 | } | ||
| 899 | if (cpufreq_driver->get) { | ||
| 900 | ret = sysfs_create_file(&policy->kobj, | ||
| 901 | &cpuinfo_cur_freq.attr); | ||
| 902 | if (ret) | ||
| 903 | goto err_out_driver_exit; | ||
| 904 | } | ||
| 905 | if (cpufreq_driver->target) { | ||
| 906 | ret = sysfs_create_file(&policy->kobj, | ||
| 907 | &scaling_cur_freq.attr); | ||
| 908 | if (ret) | ||
| 909 | goto err_out_driver_exit; | ||
| 910 | } | ||
| 911 | } else { | ||
| 912 | ret = kobject_init_and_add(&policy->kobj, &ktype_empty_cpufreq, | ||
| 913 | &sys_dev->kobj, "cpufreq"); | ||
| 899 | if (ret) | 914 | if (ret) |
| 900 | goto err_out_driver_exit; | 915 | goto err_out_driver_exit; |
| 901 | } | 916 | } |
