diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 42 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 2 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 4 |
3 files changed, 31 insertions, 17 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 01dde80597f7..b55cb67435bd 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c | |||
@@ -584,12 +584,12 @@ out: | |||
584 | return i; | 584 | return i; |
585 | } | 585 | } |
586 | 586 | ||
587 | static ssize_t show_cpus(cpumask_t mask, char *buf) | 587 | static ssize_t show_cpus(const struct cpumask *mask, char *buf) |
588 | { | 588 | { |
589 | ssize_t i = 0; | 589 | ssize_t i = 0; |
590 | unsigned int cpu; | 590 | unsigned int cpu; |
591 | 591 | ||
592 | for_each_cpu_mask_nr(cpu, mask) { | 592 | for_each_cpu(cpu, mask) { |
593 | if (i) | 593 | if (i) |
594 | i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), " "); | 594 | i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), " "); |
595 | i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), "%u", cpu); | 595 | i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), "%u", cpu); |
@@ -606,7 +606,7 @@ static ssize_t show_cpus(cpumask_t mask, char *buf) | |||
606 | */ | 606 | */ |
607 | static ssize_t show_related_cpus(struct cpufreq_policy *policy, char *buf) | 607 | static ssize_t show_related_cpus(struct cpufreq_policy *policy, char *buf) |
608 | { | 608 | { |
609 | if (cpus_empty(policy->related_cpus)) | 609 | if (cpumask_empty(policy->related_cpus)) |
610 | return show_cpus(policy->cpus, buf); | 610 | return show_cpus(policy->cpus, buf); |
611 | return show_cpus(policy->related_cpus, buf); | 611 | return show_cpus(policy->related_cpus, buf); |
612 | } | 612 | } |
@@ -806,9 +806,20 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
806 | ret = -ENOMEM; | 806 | ret = -ENOMEM; |
807 | goto nomem_out; | 807 | goto nomem_out; |
808 | } | 808 | } |
809 | if (!alloc_cpumask_var(&policy->cpus, GFP_KERNEL)) { | ||
810 | kfree(policy); | ||
811 | ret = -ENOMEM; | ||
812 | goto nomem_out; | ||
813 | } | ||
814 | if (!alloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) { | ||
815 | free_cpumask_var(policy->cpus); | ||
816 | kfree(policy); | ||
817 | ret = -ENOMEM; | ||
818 | goto nomem_out; | ||
819 | } | ||
809 | 820 | ||
810 | policy->cpu = cpu; | 821 | policy->cpu = cpu; |
811 | policy->cpus = cpumask_of_cpu(cpu); | 822 | cpumask_copy(policy->cpus, cpumask_of(cpu)); |
812 | 823 | ||
813 | /* Initially set CPU itself as the policy_cpu */ | 824 | /* Initially set CPU itself as the policy_cpu */ |
814 | per_cpu(policy_cpu, cpu) = cpu; | 825 | per_cpu(policy_cpu, cpu) = cpu; |
@@ -843,7 +854,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
843 | } | 854 | } |
844 | #endif | 855 | #endif |
845 | 856 | ||
846 | for_each_cpu_mask_nr(j, policy->cpus) { | 857 | for_each_cpu(j, policy->cpus) { |
847 | if (cpu == j) | 858 | if (cpu == j) |
848 | continue; | 859 | continue; |
849 | 860 | ||
@@ -861,7 +872,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
861 | goto err_out_driver_exit; | 872 | goto err_out_driver_exit; |
862 | 873 | ||
863 | spin_lock_irqsave(&cpufreq_driver_lock, flags); | 874 | spin_lock_irqsave(&cpufreq_driver_lock, flags); |
864 | managed_policy->cpus = policy->cpus; | 875 | cpumask_copy(managed_policy->cpus, policy->cpus); |
865 | per_cpu(cpufreq_cpu_data, cpu) = managed_policy; | 876 | per_cpu(cpufreq_cpu_data, cpu) = managed_policy; |
866 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); | 877 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); |
867 | 878 | ||
@@ -916,14 +927,14 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
916 | } | 927 | } |
917 | 928 | ||
918 | spin_lock_irqsave(&cpufreq_driver_lock, flags); | 929 | spin_lock_irqsave(&cpufreq_driver_lock, flags); |
919 | for_each_cpu_mask_nr(j, policy->cpus) { | 930 | for_each_cpu(j, policy->cpus) { |
920 | per_cpu(cpufreq_cpu_data, j) = policy; | 931 | per_cpu(cpufreq_cpu_data, j) = policy; |
921 | per_cpu(policy_cpu, j) = policy->cpu; | 932 | per_cpu(policy_cpu, j) = policy->cpu; |
922 | } | 933 | } |
923 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); | 934 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); |
924 | 935 | ||
925 | /* symlink affected CPUs */ | 936 | /* symlink affected CPUs */ |
926 | for_each_cpu_mask_nr(j, policy->cpus) { | 937 | for_each_cpu(j, policy->cpus) { |
927 | if (j == cpu) | 938 | if (j == cpu) |
928 | continue; | 939 | continue; |
929 | if (!cpu_online(j)) | 940 | if (!cpu_online(j)) |
@@ -963,7 +974,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) | |||
963 | 974 | ||
964 | err_out_unregister: | 975 | err_out_unregister: |
965 | spin_lock_irqsave(&cpufreq_driver_lock, flags); | 976 | spin_lock_irqsave(&cpufreq_driver_lock, flags); |
966 | for_each_cpu_mask_nr(j, policy->cpus) | 977 | for_each_cpu(j, policy->cpus) |
967 | per_cpu(cpufreq_cpu_data, j) = NULL; | 978 | per_cpu(cpufreq_cpu_data, j) = NULL; |
968 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); | 979 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); |
969 | 980 | ||
@@ -1024,7 +1035,7 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev) | |||
1024 | */ | 1035 | */ |
1025 | if (unlikely(cpu != data->cpu)) { | 1036 | if (unlikely(cpu != data->cpu)) { |
1026 | dprintk("removing link\n"); | 1037 | dprintk("removing link\n"); |
1027 | cpu_clear(cpu, data->cpus); | 1038 | cpumask_clear_cpu(cpu, data->cpus); |
1028 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); | 1039 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); |
1029 | sysfs_remove_link(&sys_dev->kobj, "cpufreq"); | 1040 | sysfs_remove_link(&sys_dev->kobj, "cpufreq"); |
1030 | cpufreq_cpu_put(data); | 1041 | cpufreq_cpu_put(data); |
@@ -1045,8 +1056,8 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev) | |||
1045 | * per_cpu(cpufreq_cpu_data) while holding the lock, and remove | 1056 | * per_cpu(cpufreq_cpu_data) while holding the lock, and remove |
1046 | * the sysfs links afterwards. | 1057 | * the sysfs links afterwards. |
1047 | */ | 1058 | */ |
1048 | if (unlikely(cpus_weight(data->cpus) > 1)) { | 1059 | if (unlikely(cpumask_weight(data->cpus) > 1)) { |
1049 | for_each_cpu_mask_nr(j, data->cpus) { | 1060 | for_each_cpu(j, data->cpus) { |
1050 | if (j == cpu) | 1061 | if (j == cpu) |
1051 | continue; | 1062 | continue; |
1052 | per_cpu(cpufreq_cpu_data, j) = NULL; | 1063 | per_cpu(cpufreq_cpu_data, j) = NULL; |
@@ -1055,8 +1066,8 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev) | |||
1055 | 1066 | ||
1056 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); | 1067 | spin_unlock_irqrestore(&cpufreq_driver_lock, flags); |
1057 | 1068 | ||
1058 | if (unlikely(cpus_weight(data->cpus) > 1)) { | 1069 | if (unlikely(cpumask_weight(data->cpus) > 1)) { |
1059 | for_each_cpu_mask_nr(j, data->cpus) { | 1070 | for_each_cpu(j, data->cpus) { |
1060 | if (j == cpu) | 1071 | if (j == cpu) |
1061 | continue; | 1072 | continue; |
1062 | dprintk("removing link for cpu %u\n", j); | 1073 | dprintk("removing link for cpu %u\n", j); |
@@ -1090,7 +1101,10 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev) | |||
1090 | if (cpufreq_driver->exit) | 1101 | if (cpufreq_driver->exit) |
1091 | cpufreq_driver->exit(data); | 1102 | cpufreq_driver->exit(data); |
1092 | 1103 | ||
1104 | free_cpumask_var(data->related_cpus); | ||
1105 | free_cpumask_var(data->cpus); | ||
1093 | kfree(data); | 1106 | kfree(data); |
1107 | per_cpu(cpufreq_cpu_data, cpu) = NULL; | ||
1094 | 1108 | ||
1095 | cpufreq_debug_enable_ratelimit(); | 1109 | cpufreq_debug_enable_ratelimit(); |
1096 | return 0; | 1110 | return 0; |
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index e2657837d954..0320962c4ec5 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c | |||
@@ -498,7 +498,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, | |||
498 | return rc; | 498 | return rc; |
499 | } | 499 | } |
500 | 500 | ||
501 | for_each_cpu_mask_nr(j, policy->cpus) { | 501 | for_each_cpu(j, policy->cpus) { |
502 | struct cpu_dbs_info_s *j_dbs_info; | 502 | struct cpu_dbs_info_s *j_dbs_info; |
503 | j_dbs_info = &per_cpu(cpu_dbs_info, j); | 503 | j_dbs_info = &per_cpu(cpu_dbs_info, j); |
504 | j_dbs_info->cur_policy = policy; | 504 | j_dbs_info->cur_policy = policy; |
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 2ab3c12b88af..6a2b036c9389 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c | |||
@@ -400,7 +400,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) | |||
400 | /* Get Absolute Load - in terms of freq */ | 400 | /* Get Absolute Load - in terms of freq */ |
401 | max_load_freq = 0; | 401 | max_load_freq = 0; |
402 | 402 | ||
403 | for_each_cpu_mask_nr(j, policy->cpus) { | 403 | for_each_cpu(j, policy->cpus) { |
404 | struct cpu_dbs_info_s *j_dbs_info; | 404 | struct cpu_dbs_info_s *j_dbs_info; |
405 | cputime64_t cur_wall_time, cur_idle_time; | 405 | cputime64_t cur_wall_time, cur_idle_time; |
406 | unsigned int idle_time, wall_time; | 406 | unsigned int idle_time, wall_time; |
@@ -568,7 +568,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, | |||
568 | return rc; | 568 | return rc; |
569 | } | 569 | } |
570 | 570 | ||
571 | for_each_cpu_mask_nr(j, policy->cpus) { | 571 | for_each_cpu(j, policy->cpus) { |
572 | struct cpu_dbs_info_s *j_dbs_info; | 572 | struct cpu_dbs_info_s *j_dbs_info; |
573 | j_dbs_info = &per_cpu(cpu_dbs_info, j); | 573 | j_dbs_info = &per_cpu(cpu_dbs_info, j); |
574 | j_dbs_info->cur_policy = policy; | 574 | j_dbs_info->cur_policy = policy; |