diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index cf340d85946a..fc17b3f136fe 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -3,7 +3,7 @@
 obj-$(CONFIG_ACPI)		+= boot.o
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_$(BITS).o
 obj-$(CONFIG_ACPI_APEI)		+= apei.o
-obj-$(CONFIG_ACPI_CPPC_LIB)	+= cppc_msr.o
+obj-$(CONFIG_ACPI_CPPC_LIB)	+= cppc.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y				+= cstate.o
diff --git a/arch/x86/kernel/acpi/cppc_msr.c b/arch/x86/kernel/acpi/cppc.c
similarity index 96%
rename from arch/x86/kernel/acpi/cppc_msr.c
rename to arch/x86/kernel/acpi/cppc.c
index b961de569e7e..08d823d72586 100644
--- a/arch/x86/kernel/acpi/cppc_msr.c
+++ b/arch/x86/kernel/acpi/cppc.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * cppc_msr.c:  MSR Interface for CPPC
+ * cppc.c: CPPC Interface for x86
  * Copyright (c) 2016, Intel Corporation.
  */