summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/cpufreq/cpufreq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 0a10cf9d0b1a..7fc1a686f2f6 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2637,6 +2637,13 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
if (cpufreq_disabled())
return -ENODEV;
+ /*
+ * The cpufreq core depends heavily on the availability of device
+ * structure, make sure they are available before proceeding further.
+ */
+ if (!get_cpu_device(0))
+ return -EPROBE_DEFER;
+
if (!driver_data || !driver_data->verify || !driver_data->init ||
!(driver_data->setpolicy || driver_data->target_index ||
driver_data->target) ||