X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Facpi%2Fprocessor_driver.c;h=f4e02ae93f585fbb8de42c09d4d0fb32d2751887;hb=6d2d91b3e463a10a745616650066e28b42af649d;hp=51e658f21e956fd66895d431971bb56449c74e56;hpb=d4070ff71363a2b6598633f23558f809600ebad2;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 51e658f21e95..f4e02ae93f58 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -242,6 +242,10 @@ static int __acpi_processor_start(struct acpi_device *device)
 	if (pr->flags.need_hotplug_init)
 		return 0;
 
+	result = acpi_cppc_processor_probe(pr);
+	if (result)
+		return -ENODEV;
+
 	if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver)
 		acpi_processor_power_init(pr);
 
@@ -287,6 +291,8 @@ static int acpi_processor_stop(struct device *dev)
 
 	acpi_pss_perf_exit(pr, device);
 
+	acpi_cppc_processor_exit(pr);
+
 	return 0;
 }