1 files changed, 18 insertions, 2 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 2dafc5c38ae7..7c10f96c5ae9 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1208,12 +1208,28 @@ static int __cpufreq_remove_dev(struct sys_device *sys_dev)
                 cpufreq_driver->exit(data);
         unlock_policy_rwsem_write(cpu);
 
+        cpufreq_debug_enable_ratelimit();
+
+#ifdef CONFIG_HOTPLUG_CPU
+        /* when the CPU which is the parent of the kobj is hotplugged
+         * offline, check for siblings, and create cpufreq sysfs interface
+         * and symlinks
+         */
+        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)));
+
+                /* finally remove our own symlink */
+                lock_policy_rwsem_write(cpu);
+                __cpufreq_remove_dev(sys_dev);
+        }
+#endif
+
         free_cpumask_var(data->related_cpus);
         free_cpumask_var(data->cpus);
         kfree(data);
-        per_cpu(cpufreq_cpu_data, cpu) = NULL;
 
-        cpufreq_debug_enable_ratelimit();
         return 0;
 }