Merge branch 'acpi-cleanup'

* acpi-cleanup: (22 commits)
  ACPI / tables: Return proper error codes from acpi_table_parse() and fix comment.
  ACPI / tables: Check if id is NULL in acpi_table_parse()
  ACPI / proc: Include appropriate header file in proc.c
  ACPI / EC: Remove unused functions and add prototype declaration in internal.h
  ACPI / dock: Include appropriate header file in dock.c
  ACPI / PCI: Include appropriate header file in pci_link.c
  ACPI / PCI: Include appropriate header file in pci_slot.c
  ACPI / EC: Mark the function acpi_ec_add_debugfs() as static in ec_sys.c
  ACPI / NVS: Include appropriate header file in nvs.c
  ACPI / OSL: Mark the function acpi_table_checksum() as static
  ACPI / processor: initialize a variable to silence compiler warning
  ACPI / processor: use ACPI_COMPANION() to get ACPI device
  ACPI: correct minor typos
  ACPI / sleep: Drop redundant acpi_disabled check
  ACPI / dock: Drop redundant acpi_disabled check
  ACPI / table: Replace '1' with specific error return values
  ACPI: remove trailing whitespace
  ACPI / IBFT: Fix incorrect <acpi/acpi.h> inclusion in iSCSI boot firmware module
  ACPI / i915: Fix incorrect <acpi/acpi.h> inclusions via <linux/acpi_io.h>
  SFI / ACPI: Fix warnings reported during builds with W=1
  ...

Conflicts:
	drivers/acpi/nvs.c
	drivers/hwmon/asus_atk0110.c

44 files changed, 61 insertions, 131 deletions

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 3c2e4aa529c..e7515aa43d6 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -32,8 +32,7 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #define PREFIX "ACPI: "
 
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index a6869e110ce..2635a01c5b3 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -9,7 +9,6 @@
 
 #include <linux/module.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
 #include <linux/cper.h>
 #include <linux/ratelimit.h>
 #include <asm/cpu.h>
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index fc6008fbce3..65610c0e724 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -28,8 +28,7 @@
 #include <linux/cpu.h>
 #include <linux/clockchips.h>
 #include <linux/slab.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <asm/mwait.h>
 
 #define ACPI_PROCESSOR_AGGREGATOR_CLASS	"acpi_pad"
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 6d2c49b86b7..0760b75f79c 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -34,7 +34,6 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
 #include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/kref.h>
diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
index 21ba34a7388..e5bcd919d4e 100644
--- a/drivers/acpi/apei/apei-internal.h
+++ b/drivers/acpi/apei/apei-internal.h
@@ -8,7 +8,6 @@
 
 #include <linux/cper.h>
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
 
 struct apei_exec_context;
 
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index fb57d03e698..ca0c6d7ec0d 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -33,7 +33,6 @@
 #include <linux/nmi.h>
 #include <linux/delay.h>
 #include <linux/mm.h>
-#include <acpi/acpi.h>
 
 #include "apei-internal.h"
 
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index a30bc313787..694c486a12e 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -33,7 +33,6 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
 #include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/timer.h>
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 5876a49dfd3..470e7542bf3 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -36,8 +36,7 @@
 #include <linux/suspend.h>
 #include <asm/unaligned.h>
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/power_supply.h>
 
 #define PREFIX "ACPI: "
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 078c4f7fe2d..05ee8f61bfb 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -30,7 +30,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
 #include <linux/dmi.h>
 
 #include "internal.h"
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 0710004055c..1d8c2bb905f 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -37,8 +37,6 @@
 #include <asm/mpspec.h>
 #endif
 #include <linux/pci.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
 #include <acpi/apei.h>
 #include <linux/dmi.h>
 #include <linux/suspend.h>
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index c971929d75c..9e3a6cb99f9 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -31,8 +31,7 @@
 #include <linux/seq_file.h>
 #include <linux/input.h>
 #include <linux/slab.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <acpi/button.h>
 
 #define PREFIX "ACPI: "
diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index 12b62f2cdb3..c68e72414a6 100644
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -7,7 +7,7 @@
 #include <linux/kernel.h>
 #include <linux/uaccess.h>
 #include <linux/debugfs.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #include "internal.h"
 
diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c
index b55d6a20dc0..6b1919f6bd8 100644
--- a/drivers/acpi/debugfs.c
+++ b/drivers/acpi/debugfs.c
@@ -5,7 +5,7 @@
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/debugfs.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
 ACPI_MODULE_NAME("debugfs");
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index dcd73ccb514..38c2e325f32 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -32,8 +32,8 @@
 #include <linux/jiffies.h>
 #include <linux/stddef.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+
+#include "internal.h"
 
 #define PREFIX "ACPI: "
 
@@ -898,9 +898,6 @@ find_dock_and_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
 
 void __init acpi_dock_init(void)
 {
-	if (acpi_disabled)
-		return;
-
 	/* look for dock stations and bays */
 	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
 		ACPI_UINT32_MAX, find_dock_and_bay, NULL, NULL, NULL);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index ba5b56db9d2..47b1111afc9 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -39,10 +39,9 @@
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
-#include <asm/io.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/dmi.h>
+#include <asm/io.h>
 
 #include "internal.h"
 
@@ -91,10 +90,6 @@ static unsigned int ec_storm_threshold  __read_mostly = 8;
 module_param(ec_storm_threshold, uint, 0644);
 MODULE_PARM_DESC(ec_storm_threshold, "Maxim false GPE numbers not considered as GPE storm");
 
-/* If we find an EC via the ECDT, we need to keep a ptr to its context */
-/* External interfaces use first EC only, so remember */
-typedef int (*acpi_ec_query_func) (void *data);
-
 struct acpi_ec_query_handler {
 	struct list_head node;
 	acpi_ec_query_func func;
@@ -387,27 +382,6 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
 	return acpi_ec_transaction(ec, &t);
 }
 
-/*
- * Externally callable EC access functions. For now, assume 1 EC only
- */
-int ec_burst_enable(void)
-{
-	if (!first_ec)
-		return -ENODEV;
-	return acpi_ec_burst_enable(first_ec);
-}
-
-EXPORT_SYMBOL(ec_burst_enable);
-
-int ec_burst_disable(void)
-{
-	if (!first_ec)
-		return -ENODEV;
-	return acpi_ec_burst_disable(first_ec);
-}
-
-EXPORT_SYMBOL(ec_burst_disable);
-
 int ec_read(u8 addr, u8 *val)
 {
 	int err;
diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c
index 4e7b798900f..b4c216bab22 100644
--- a/drivers/acpi/ec_sys.c
+++ b/drivers/acpi/ec_sys.c
@@ -105,7 +105,7 @@ static const struct file_operations acpi_ec_io_ops = {
 	.llseek = default_llseek,
 };
 
-int acpi_ec_add_debugfs(struct acpi_ec *ec, unsigned int ec_device_count)
+static int acpi_ec_add_debugfs(struct acpi_ec *ec, unsigned int ec_device_count)
 {
 	struct dentry *dev_dir;
 	char name[64];
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index cae3b387b86..ef2d730734d 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/poll.h>
 #include <linux/gfp.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
 
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index ba3da88cee4..1fb62900f32 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -29,8 +29,7 @@
 #include <linux/types.h>
 #include <asm/uaccess.h>
 #include <linux/thermal.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #define PREFIX "ACPI: "
 
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
index 13b1d39d7cd..aafe3ca829c 100644
--- a/drivers/acpi/hed.c
+++ b/drivers/acpi/hed.c
@@ -25,8 +25,6 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
 #include <acpi/hed.h>
 
 static struct acpi_device_id acpi_hed_ids[] = {
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index a29739c0ba7..8ef9787dead 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -127,12 +127,21 @@ struct acpi_ec {
 
 extern struct acpi_ec *first_ec;
 
+/* If we find an EC via the ECDT, we need to keep a ptr to its context */
+/* External interfaces use first EC only, so remember */
+typedef int (*acpi_ec_query_func) (void *data);
+
 int acpi_ec_init(void);
 int acpi_ec_ecdt_probe(void);
 int acpi_boot_ec_enable(void);
 void acpi_ec_block_transactions(void);
 void acpi_ec_unblock_transactions(void);
 void acpi_ec_unblock_transactions_early(void);
+int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
+			      acpi_handle handle, acpi_ec_query_func func,
+			      void *data);
+void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
+
 
 /*--------------------------------------------------------------------------
                                   Suspend/Resume
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index a2343a1d9e0..9e6816ef280 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -29,7 +29,6 @@
 #include <linux/errno.h>
 #include <linux/acpi.h>
 #include <linux/numa.h>
-#include <acpi/acpi_bus.h>
 
 #define PREFIX "ACPI: "
 
diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c
index 386a9fe497b..de4fe03873c 100644
--- a/drivers/acpi/nvs.c
+++ b/drivers/acpi/nvs.c
@@ -12,7 +12,8 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
+
+#include "internal.h"
 
 /* ACPI NVS regions, APEI may use it */
 
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 54a20ff4b86..7865a806934 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -39,7 +39,6 @@
 #include <linux/workqueue.h>
 #include <linux/nmi.h>
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
 #include <linux/efi.h>
 #include <linux/ioport.h>
 #include <linux/list.h>
@@ -49,9 +48,6 @@
 #include <asm/io.h>
 #include <asm/uaccess.h>
 
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/processor.h>
 #include "internal.h"
 
 #define _COMPONENT		ACPI_OS_SERVICES
@@ -544,7 +540,7 @@ static u64 acpi_tables_addr;
 static int all_tables_size;
 
 /* Copied from acpica/tbutils.c:acpi_tb_checksum() */
-u8 __init acpi_table_checksum(u8 *buffer, u32 length)
+static u8 __init acpi_table_checksum(u8 *buffer, u32 length)
 {
 	u8 sum = 0;
 	u8 *end = buffer + length;
@@ -1282,7 +1278,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
 		jiffies = MAX_SCHEDULE_TIMEOUT;
 	else
 		jiffies = msecs_to_jiffies(timeout);
-	
+
 	ret = down_timeout(sem, jiffies);
 	if (ret)
 		status = AE_TIME;
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 41c5e1b799e..52d45ea2bc4 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -37,8 +37,6 @@
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
 
 #define PREFIX "ACPI: "
 
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 2652a614dee..9418c7a1f78 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -39,9 +39,9 @@
 #include <linux/pci.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
+#include <linux/acpi.h>
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include "internal.h"
 
 #define PREFIX "ACPI: "
 
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 20360e480bd..33f554bc43b 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -35,9 +35,7 @@
 #include <linux/pci-aspm.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/apei.h>
+#include <acpi/apei.h>	/* for acpi_hest_init() */
 
 #include "internal.h"
 
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index d678a180ca2..139d9e47937 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -35,6 +35,7 @@
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/dmi.h>
+#include <linux/pci-acpi.h>
 
 static bool debug;
 static int check_sta_before_sun;
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index c2ad391d804..ad7da686e6e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -42,8 +42,7 @@
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
 #include <linux/sysfs.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include "sleep.h"
 #include "internal.h"
 
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index 6a5b152ad4d..50fe34ffe93 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -3,12 +3,11 @@
 #include <linux/export.h>
 #include <linux/suspend.h>
 #include <linux/bcd.h>
+#include <linux/acpi.h>
 #include <asm/uaccess.h>
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
 #include "sleep.h"
+#include "internal.h"
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
 
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index b3171f30b31..34e7b3c6a08 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -10,8 +10,7 @@
 #include <linux/export.h>
 #include <linux/dmi.h>
 #include <linux/slab.h>
-
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <acpi/processor.h>
 
 #include "internal.h"
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 146ab7e2b81..c1c35623550 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -224,9 +224,9 @@ static int __acpi_processor_start(struct acpi_device *device)
 
 static int acpi_processor_start(struct device *dev)
 {
-	struct acpi_device *device;
+	struct acpi_device *device = ACPI_COMPANION(dev);
 
-	if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
+	if (!device)
 		return -ENODEV;
 
 	return __acpi_processor_start(device);
@@ -234,10 +234,10 @@ static int acpi_processor_start(struct device *dev)
 
 static int acpi_processor_stop(struct device *dev)
 {
-	struct acpi_device *device;
+	struct acpi_device *device = ACPI_COMPANION(dev);
 	struct acpi_processor *pr;
 
-	if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
+	if (!device)
 		return 0;
 
 	acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 644516d9bde..799644c3888 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -35,6 +35,7 @@
 #include <linux/clockchips.h>
 #include <linux/cpuidle.h>
 #include <linux/syscore_ops.h>
+#include <acpi/processor.h>
 
 /*
  * Include the apic definitions for x86 to have the APIC timer related defines
@@ -46,9 +47,6 @@
 #include <asm/apic.h>
 #endif
 
-#include <acpi/acpi_bus.h>
-#include <acpi/processor.h>
-
 #define PREFIX "ACPI: "
 
 #define ACPI_PROCESSOR_CLASS            "processor"
@@ -213,7 +211,7 @@ static int acpi_processor_suspend(void)
 
 static void acpi_processor_resume(void)
 {
-	u32 resumed_bm_rld;
+	u32 resumed_bm_rld = 0;
 
 	acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_RLD, &resumed_bm_rld);
 	if (resumed_bm_rld == saved_bm_rld)
@@ -598,7 +596,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
 		case ACPI_STATE_C2:
 			if (!cx->address)
 				break;
-			cx->valid = 1; 
+			cx->valid = 1;
 			break;
 
 		case ACPI_STATE_C3:
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 60a7c28fc16..ff90054f04f 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -31,15 +31,12 @@
 #include <linux/init.h>
 #include <linux/cpufreq.h>
 #include <linux/slab.h>
-
+#include <linux/acpi.h>
+#include <acpi/processor.h>
 #ifdef CONFIG_X86
 #include <asm/cpufeature.h>
 #endif
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/processor.h>
-
 #define PREFIX "ACPI: "
 
 #define ACPI_PROCESSOR_CLASS		"processor"
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index d1d2e7fb5b3..e003663b2f8 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -30,12 +30,9 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/cpufreq.h>
-
-#include <asm/uaccess.h>
-
-#include <acpi/acpi_bus.h>
+#include <linux/acpi.h>
 #include <acpi/processor.h>
-#include <acpi/acpi_drivers.h>
+#include <asm/uaccess.h>
 
 #define PREFIX "ACPI: "
 
@@ -186,14 +183,14 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state)
 
 #endif
 
-/* thermal coolign device callbacks */
+/* thermal cooling device callbacks */
 static int acpi_processor_max_state(struct acpi_processor *pr)
 {
 	int max_state = 0;
 
 	/*
 	 * There exists four states according to
-	 * cpufreq_thermal_reduction_ptg. 0, 1, 2, 3
+	 * cpufreq_thermal_reduction_pctg. 0, 1, 2, 3
 	 */
 	max_state += cpufreq_get_max_state(pr->id);
 	if (pr->flags.throttling)
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index e7dd2c1fee7..28baa05b801 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -32,14 +32,11 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/cpufreq.h>
-
+#include <linux/acpi.h>
+#include <acpi/processor.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/processor.h>
-
 #define PREFIX "ACPI: "
 
 #define ACPI_PROCESSOR_CLASS            "processor"
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index b78bc605837..26e5b506052 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -8,8 +8,7 @@
  * the Free Software Foundation version 2.
  */
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/wait.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index fd39459926b..68d40ff066f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -12,8 +12,6 @@
 #include <linux/dmi.h>
 #include <linux/nls.h>
 
-#include <acpi/acpi_drivers.h>
-
 #include "internal.h"
 
 #define _COMPONENT		ACPI_BUS_COMPONENT
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 721e949e606..54ab2666403 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -18,12 +18,8 @@
 #include <linux/reboot.h>
 #include <linux/acpi.h>
 #include <linux/module.h>
-
 #include <asm/io.h>
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
 #include "internal.h"
 #include "sleep.h"
 
@@ -806,9 +802,6 @@ int __init acpi_sleep_init(void)
 	char *pos = supported;
 	int i;
 
-	if (acpi_disabled)
-		return 0;
-
 	acpi_sleep_dmi_check();
 
 	sleep_states[ACPI_STATE_S0] = 1;
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 6dbc3ca4522..443dc936605 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -5,7 +5,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/moduleparam.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #include "internal.h"
 
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index d67a1fe07f0..5837f857ac2 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -278,12 +278,13 @@ acpi_table_parse_madt(enum acpi_madt_type id,
 
 /**
  * acpi_table_parse - find table with @id, run @handler on it
- *
  * @id: table id to find
  * @handler: handler to run
  *
  * Scan the ACPI System Descriptor Table (STD) for a table matching @id,
- * run @handler on it.  Return 0 if table found, return on if not.
+ * run @handler on it.
+ *
+ * Return 0 if table found, -errno if not.
  */
 int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
 {
@@ -293,7 +294,7 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
 	if (acpi_disabled)
 		return -ENODEV;
 
-	if (!handler)
+	if (!id || !handler)
 		return -EINVAL;
 
 	if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
@@ -306,7 +307,7 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
 		early_acpi_os_unmap_memory(table, tbl_size);
 		return 0;
 	} else
-		return 1;
+		return -ENODEV;
 }
 
 /* 
@@ -351,7 +352,7 @@ int __init acpi_table_init(void)
 
 	status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
 	if (ACPI_FAILURE(status))
-		return 1;
+		return -EINVAL;
 
 	check_multiple_madt();
 	return 0;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 0d9f46b5ae6..1fd21ad69c9 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -41,10 +41,9 @@
 #include <linux/kmod.h>
 #include <linux/reboot.h>
 #include <linux/device.h>
-#include <asm/uaccess.h>
 #include <linux/thermal.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
+#include <asm/uaccess.h>
 
 #define PREFIX "ACPI: "
 
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 6d408bfbbb1..1336b915147 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -30,8 +30,6 @@
 #include <linux/types.h>
 #include <linux/hardirq.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
 
 #include "internal.h"
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 995e91bcb97..b727d105046 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -37,12 +37,11 @@
 #include <linux/pci.h>
 #include <linux/pci_ids.h>
 #include <linux/slab.h>
-#include <asm/uaccess.h>
 #include <linux/dmi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
 #include <linux/suspend.h>
+#include <linux/acpi.h>
 #include <acpi/video.h>
+#include <asm/uaccess.h>
 
 #include "internal.h"
 
diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index 7bfbe40bc43..1638401ab28 100644
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -5,7 +5,6 @@
 
 #include <linux/init.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_drivers.h>
 #include <linux/kernel.h>
 #include <linux/types.h>