1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index f02c5ea9084f..41aaaba74b19 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -624,7 +624,7 @@ int acpi_processor_preregister_performance(
         struct acpi_processor *match_pr;
         struct acpi_psd_package *match_pdomain;
 
-        down(&performance_sem);
+        mutex_lock(&performance_mutex);
 
         retval = 0;
 
@@ -772,7 +772,7 @@ err_ret:
                 pr->performance = NULL; /* Will be set for real in register */
         }
 
-        up(&performance_sem);
+        mutex_unlock(&performance_mutex);
         return retval;
 }
 EXPORT_SYMBOL(acpi_processor_preregister_performance);