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-rw-r--r--drivers/cpufreq/cpufreq.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 845687884c1e..bbd5c2164ab6 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -756,7 +756,12 @@ static struct kobj_type ktype_cpufreq = {
756 .release = cpufreq_sysfs_release, 756 .release = cpufreq_sysfs_release,
757}; 757};
758 758
759 759/*
760 * Returns:
761 * Negative: Failure
762 * 0: Success
763 * Positive: When we have a managed CPU and the sysfs got symlinked
764 */
760int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy, 765int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy,
761 struct sys_device *sys_dev) 766 struct sys_device *sys_dev)
762{ 767{
@@ -817,7 +822,11 @@ int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy,
817 */ 822 */
818 if (cpufreq_driver->exit) 823 if (cpufreq_driver->exit)
819 cpufreq_driver->exit(policy); 824 cpufreq_driver->exit(policy);
820 return ret; 825
826 if (!ret)
827 return 1;
828 else
829 return ret;
821 } 830 }
822 } 831 }
823#endif 832#endif
@@ -1001,8 +1010,13 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
1001 CPUFREQ_START, policy); 1010 CPUFREQ_START, policy);
1002 1011
1003 ret = cpufreq_add_dev_policy(cpu, policy, sys_dev); 1012 ret = cpufreq_add_dev_policy(cpu, policy, sys_dev);
1004 if (ret) 1013 if (ret) {
1014 if (ret > 0)
1015 /* This is a managed cpu, symlink created,
1016 exit with 0 */
1017 ret = 0;
1005 goto err_unlock_policy; 1018 goto err_unlock_policy;
1019 }
1006 1020
1007 ret = cpufreq_add_dev_interface(cpu, policy, sys_dev); 1021 ret = cpufreq_add_dev_interface(cpu, policy, sys_dev);
1008 if (ret) 1022 if (ret)