diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
index fb7290338593..d50261d05f3a 100644
--- a/drivers/acpi/acpi_dbg.c
+++ b/drivers/acpi/acpi_dbg.c
@@ -117,13 +117,6 @@ static inline bool __acpi_aml_busy(void)
 	return false;
 }
 
-static inline bool __acpi_aml_opened(void)
-{
-	if (acpi_aml_io.flags & ACPI_AML_OPEN)
-		return true;
-	return false;
-}
-
 static inline bool __acpi_aml_used(void)
 {
 	return acpi_aml_io.usages ? true : false;
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 3294cc8dc073..c7fdb12c3310 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -287,7 +287,7 @@ struct apei_res {
 };
 
 /* Collect all resources requested, to avoid conflict */
-struct apei_resources apei_resources_all = {
+static struct apei_resources apei_resources_all = {
 	.iomem = LIST_HEAD_INIT(apei_resources_all.iomem),
 	.ioport = LIST_HEAD_INIT(apei_resources_all.ioport),
 };
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f66236cff69b..d93e400940a3 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -31,7 +31,6 @@
 #include <asm/apic.h>
 #endif
 
-#define ACPI_PROCESSOR_CLASS            "processor"
 #define _COMPONENT              ACPI_PROCESSOR_COMPONENT
 ACPI_MODULE_NAME("processor_idle");
 
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index b04a68950ff1..0dcedd652807 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -22,7 +22,6 @@
 
 #define PREFIX "ACPI: "
 
-#define ACPI_PROCESSOR_CLASS		"processor"
 #define ACPI_PROCESSOR_FILE_PERFORMANCE	"performance"
 #define _COMPONENT		ACPI_PROCESSOR_COMPONENT
 ACPI_MODULE_NAME("processor_perflib");
@@ -616,7 +615,6 @@ int acpi_processor_preregister_performance(
 			continue;
 
 		pr->performance = per_cpu_ptr(performance, i);
-		cpumask_set_cpu(i, pr->performance->shared_cpu_map);
 		pdomain = &(pr->performance->domain_info);
 		if (acpi_processor_get_psd(pr->handle, pdomain)) {
 			retval = -EINVAL;
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 6c7d05b37c98..677a132be242 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -19,8 +19,6 @@
 
 #define PREFIX "ACPI: "
 
-#define ACPI_PROCESSOR_CLASS            "processor"
-
 #ifdef CONFIG_CPU_FREQ
 
 /* If a passive cooling situation is detected, primarily CPUfreq is used, as it
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a0bd56ece3ff..b1876534324b 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -22,7 +22,6 @@
 
 #define PREFIX "ACPI: "
 
-#define ACPI_PROCESSOR_CLASS            "processor"
 #define _COMPONENT              ACPI_PROCESSOR_COMPONENT
 ACPI_MODULE_NAME("processor_throttling");
 
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index e6d9f4de2800..3b0b6dd34914 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -711,26 +711,4 @@ static struct acpi_driver acpi_sbs_driver = {
 		},
 	.drv.pm = &acpi_sbs_pm,
 };
-
-static int __init acpi_sbs_init(void)
-{
-	int result = 0;
-
-	if (acpi_disabled)
-		return -ENODEV;
-
-	result = acpi_bus_register_driver(&acpi_sbs_driver);
-	if (result < 0)
-		return -ENODEV;
-
-	return 0;
-}
-
-static void __exit acpi_sbs_exit(void)
-{
-	acpi_bus_unregister_driver(&acpi_sbs_driver);
-	return;
-}
-
-module_init(acpi_sbs_init);
-module_exit(acpi_sbs_exit);
+module_acpi_driver(acpi_sbs_driver);
diff --git a/drivers/acpi/tiny-power-button.c b/drivers/acpi/tiny-power-button.c
index 420e61b8eaae..a19f0e4e69f7 100644
--- a/drivers/acpi/tiny-power-button.c
+++ b/drivers/acpi/tiny-power-button.c
@@ -40,6 +40,4 @@ static struct acpi_driver acpi_tiny_power_button_driver = {
 	},
 };
 
-module_driver(acpi_tiny_power_button_driver,
-		acpi_bus_register_driver,
-		acpi_bus_unregister_driver);
+module_acpi_driver(acpi_tiny_power_button_driver);
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 5eb175933a5b..d4f39a20aa2a 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -64,14 +64,14 @@
    -------------------------------------------------------------------------- */
 
 
-/* ACPI PCI Interrupt Link (pci_link.c) */
+/* ACPI PCI Interrupt Link */
 
 int acpi_irq_penalty_init(void);
 int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
 			       int *polarity, char **name);
 int acpi_pci_link_free_irq(acpi_handle handle);
 
-/* ACPI PCI Device Binding (pci_bind.c) */
+/* ACPI PCI Device Binding */
 
 struct pci_bus;
 
@@ -94,14 +94,6 @@ void pci_acpi_crs_quirks(void);
 static inline void pci_acpi_crs_quirks(void) { }
 #endif
 
-/* --------------------------------------------------------------------------
-                                    Processor
-   -------------------------------------------------------------------------- */
-
-#define ACPI_PROCESSOR_LIMIT_NONE	0x00
-#define ACPI_PROCESSOR_LIMIT_INCREMENT	0x01
-#define ACPI_PROCESSOR_LIMIT_DECREMENT	0x02
-
 /*--------------------------------------------------------------------------
                                   Dock Station
   -------------------------------------------------------------------------- */