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

arch/ia64/hp/common/aml_nfw.c

@@ -23,8 +23,7 @@
  */
 
 #include <linux/module.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <asm/sal.h>
 
 MODULE_AUTHOR("Bjorn Helgaas <bjorn.helgaas@hp.com>");

arch/x86/kernel/apic/apic_flat_64.c

@@ -21,9 +21,7 @@
 #include <asm/apic.h>
 #include <asm/ipi.h>
 
-#ifdef CONFIG_ACPI
-#include <acpi/acpi_bus.h>
-#endif
+#include <linux/acpi.h>
 
 static struct apic apic_physflat;
 static struct apic apic_flat;

arch/x86/kernel/apic/io_apic.c

@@ -37,9 +37,6 @@
 #include <linux/kthread.h>
 #include <linux/jiffies.h>	/* time_after() */
 #include <linux/slab.h>
-#ifdef CONFIG_ACPI
-#include <acpi/acpi_bus.h>
-#endif
 #include <linux/bootmem.h>
 #include <linux/dmar.h>
 #include <linux/hpet.h>

arch/x86/pci/mmconfig-shared.c

@@ -12,7 +12,6 @@
 
 #include <linux/pci.h>
 #include <linux/init.h>
-#include <linux/acpi.h>
 #include <linux/sfi_acpi.h>
 #include <linux/bitmap.h>
 #include <linux/dmi.h>

arch/x86/pci/mmconfig_32.c

@@ -14,7 +14,6 @@
 #include <linux/rcupdate.h>
 #include <asm/e820.h>
 #include <asm/pci_x86.h>
-#include <acpi/acpi.h>
 
 /* Assume systems with more busses have correct MCFG */
 #define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG))

arch/x86/platform/olpc/olpc-xo15-sci.c

@@ -15,8 +15,7 @@
 #include <linux/power_supply.h>
 #include <linux/olpc-ec.h>
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <asm/olpc.h>
 
 #define DRV_NAME			"olpc-xo15-sci"

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: "
 

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>

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"

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>

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;
 

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"
 

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>

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: "

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"

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>

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: "

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"
 

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");

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);

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;

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];

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>
 

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: "
 

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[] = {

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

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: "
 

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 */
 

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;

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: "
 

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: "
 

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"
 

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;

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"
 

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
 

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"

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,

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:

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"

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)

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"

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>

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

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;

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"
 

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;

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: "
 

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"
 

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"
 

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>
 

drivers/ata/libata-acpi.c

@@ -20,8 +20,6 @@
 #include <scsi/scsi_device.h>
 #include "libata.h"
 
-#include <acpi/acpi_bus.h>
-
 unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
 module_param_named(acpi_gtf_filter, ata_acpi_gtf_filter, int, 0644);
 MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock, 0x4=DIPM, 0x8=FPDMA non-zero offset, 0x10=FPDMA DMA Setup FIS auto-activate)");

drivers/ata/pata_acpi.c

@@ -12,11 +12,10 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/gfp.h>
-#include <scsi/scsi_host.h>
-#include <acpi/acpi_bus.h>
-
+#include <linux/acpi.h>
 #include <linux/libata.h>
 #include <linux/ata.h>
+#include <scsi/scsi_host.h>
 
 #define DRV_NAME	"pata_acpi"
 #define DRV_VERSION	"0.2.3"

drivers/char/hpet.c

@@ -34,15 +34,12 @@
 #include <linux/uaccess.h>
 #include <linux/slab.h>
 #include <linux/io.h>
-
+#include <linux/acpi.h>
+#include <linux/hpet.h>
 #include <asm/current.h>
 #include <asm/irq.h>
 #include <asm/div64.h>
 
-#include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <linux/hpet.h>
-
 /*
  * The High Precision Event Timer driver.
  * This driver is closely modelled after the rtc.c driver.

drivers/char/tpm/tpm_acpi.c

@@ -23,7 +23,7 @@
 #include <linux/security.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <acpi/acpi.h>
+#include <linux/acpi.h>
 
 #include "tpm.h"
 #include "tpm_eventlog.h"

drivers/char/tpm/tpm_ppi.c

@@ -1,5 +1,4 @@
 #include <linux/acpi.h>
-#include <acpi/acpi_drivers.h>
 #include "tpm.h"
 
 static const u8 tpm_ppi_uuid[] = {

drivers/firmware/Kconfig

@@ -110,7 +110,7 @@ config DMI_SYSFS
 
 config ISCSI_IBFT_FIND
 	bool "iSCSI Boot Firmware Table Attributes"
-	depends on X86
+	depends on X86 && ACPI
 	default n
 	help
 	  This option enables the kernel to find the region of memory

drivers/gpu/drm/gma500/opregion.c

@@ -22,7 +22,6 @@
  *
  */
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
 #include "psb_drv.h"
 #include "psb_intel_reg.h"
 

drivers/gpu/drm/i915/Makefile

@@ -38,7 +38,6 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o \
 	  intel_ringbuffer.o \
 	  intel_overlay.o \
 	  intel_sprite.o \
-	  intel_opregion.o \
 	  intel_sideband.o \
 	  intel_uncore.o \
 	  dvo_ch7xxx.o \
@@ -51,7 +50,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o \
 
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 
-i915-$(CONFIG_ACPI)	+= intel_acpi.o
+i915-$(CONFIG_ACPI)	+= intel_acpi.o intel_opregion.o
 
 i915-$(CONFIG_DRM_I915_FBDEV) += intel_fbdev.o
 

drivers/gpu/drm/i915/i915_drv.h

@@ -2339,8 +2339,8 @@ extern void intel_i2c_reset(struct drm_device *dev);
 
 /* intel_opregion.c */
 struct intel_encoder;
-extern int intel_opregion_setup(struct drm_device *dev);
 #ifdef CONFIG_ACPI
+extern int intel_opregion_setup(struct drm_device *dev);
 extern void intel_opregion_init(struct drm_device *dev);
 extern void intel_opregion_fini(struct drm_device *dev);
 extern void intel_opregion_asle_intr(struct drm_device *dev);
@@ -2349,6 +2349,7 @@ extern int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
 extern int intel_opregion_notify_adapter(struct drm_device *dev,
 					 pci_power_t state);
 #else
+static inline int intel_opregion_setup(struct drm_device *dev) { return 0; }
 static inline void intel_opregion_init(struct drm_device *dev) { return; }
 static inline void intel_opregion_fini(struct drm_device *dev) { return; }
 static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; }

drivers/gpu/drm/i915/intel_acpi.c

@@ -6,8 +6,6 @@
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/vga_switcheroo.h>
-#include <acpi/acpi_drivers.h>
-
 #include <drm/drmP.h>
 #include "i915_drv.h"
 

drivers/gpu/drm/i915/intel_opregion.c

@@ -28,7 +28,6 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/acpi.h>
-#include <linux/acpi_io.h>
 #include <acpi/video.h>
 
 #include <drm/drmP.h>

drivers/gpu/drm/nouveau/nouveau_acpi.c

@@ -1,15 +1,10 @@
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/video.h>
-#include <acpi/acpi.h>
 #include <linux/mxm-wmi.h>
-
 #include <linux/vga_switcheroo.h>
-
 #include <drm/drm_edid.h>
+#include <acpi/video.h>
 
 #include "nouveau_drm.h"
 #include "nouveau_acpi.h"

drivers/gpu/drm/radeon/radeon_acpi.c

@@ -25,18 +25,14 @@
 #include <linux/acpi.h>
 #include <linux/slab.h>
 #include <linux/power_supply.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
+#include <linux/vga_switcheroo.h>
 #include <acpi/video.h>
-
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include "radeon.h"
 #include "radeon_acpi.h"
 #include "atom.h"
 
-#include <linux/vga_switcheroo.h>
-
 #define ACPI_AC_CLASS           "ac_adapter"
 
 extern void radeon_pm_acpi_event_handler(struct radeon_device *rdev);

drivers/hv/vmbus_drv.c

@@ -30,7 +30,6 @@
 #include <linux/sysctl.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
 #include <linux/completion.h>
 #include <linux/hyperv.h>
 #include <linux/kernel_stat.h>
@@ -39,7 +38,6 @@
 #include <asm/mshyperv.h>
 #include "hyperv_vmbus.h"
 
-
 static struct acpi_device  *hv_acpi_dev;
 
 static struct tasklet_struct msg_dpc;

drivers/hwmon/acpi_power_meter.c

@@ -30,8 +30,7 @@
 #include <linux/sched.h>
 #include <linux/time.h>
 #include <linux/err.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
+#include <linux/acpi.h>
 
 #define ACPI_POWER_METER_NAME		"power_meter"
 ACPI_MODULE_NAME(ACPI_POWER_METER_NAME);

drivers/hwmon/asus_atk0110.c

@@ -16,11 +16,7 @@
 #include <linux/dmi.h>
 #include <linux/jiffies.h>
 #include <linux/err.h>
-
-#include <acpi/acpi.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
-
+#include <linux/acpi.h>
 
 #define ATK_HID "ATK0110"
 

drivers/ide/ide-acpi.c

@@ -14,7 +14,6 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#include <acpi/acpi.h>
 #include <linux/ide.h>
 #include <linux/pci.h>
 #include <linux/dmi.h>

drivers/input/misc/atlas_btns.c

@@ -28,8 +28,8 @@
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/types.h>
+#include <linux/acpi.h>
 #include <asm/uaccess.h>
-#include <acpi/acpi_drivers.h>
 
 #define ACPI_ATLAS_NAME		"Atlas ACPI"
 #define ACPI_ATLAS_CLASS	"Atlas"

drivers/iommu/amd_iommu_init.c

@@ -26,7 +26,6 @@
 #include <linux/msi.h>
 #include <linux/amd-iommu.h>
 #include <linux/export.h>
-#include <acpi/acpi.h>
 #include <asm/pci-direct.h>
 #include <asm/iommu.h>
 #include <asm/gart.h>

drivers/iommu/intel_irq_remapping.c

@@ -6,11 +6,11 @@
 #include <linux/hpet.h>
 #include <linux/pci.h>
 #include <linux/irq.h>
+#include <linux/intel-iommu.h>
+#include <linux/acpi.h>
 #include <asm/io_apic.h>
 #include <asm/smp.h>
 #include <asm/cpu.h>
-#include <linux/intel-iommu.h>
-#include <acpi/acpi.h>
 #include <asm/irq_remapping.h>
 #include <asm/pci-direct.h>
 #include <asm/msidef.h>

drivers/pci/hotplug/acpiphp_ibm.c

@@ -31,12 +31,11 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <acpi/acpi_bus.h>
 #include <linux/sysfs.h>
 #include <linux/kobject.h>
-#include <asm/uaccess.h>
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
+#include <asm/uaccess.h>
 
 #include "acpiphp.h"
 #include "../pci.h"

drivers/pci/hotplug/pciehp.h

@@ -163,8 +163,6 @@ static inline const char *slot_name(struct slot *slot)
 }
 
 #ifdef CONFIG_ACPI
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
 #include <linux/pci-acpi.h>
 
 void __init pciehp_acpi_slot_detection_init(void);

drivers/pci/ioapic.c

@@ -20,7 +20,6 @@
 #include <linux/module.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <acpi/acpi_bus.h>
 
 struct ioapic {
 	acpi_handle	handle;

drivers/pci/pci-acpi.c

@@ -12,9 +12,6 @@
 #include <linux/pci.h>
 #include <linux/module.h>
 #include <linux/pci-aspm.h>
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
-
 #include <linux/pci-acpi.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_qos.h>

drivers/pci/pci-label.c

@@ -29,7 +29,6 @@
 #include <linux/nls.h>
 #include <linux/acpi.h>
 #include <linux/pci-acpi.h>
-#include <acpi/acpi_bus.h>
 #include "pci.h"
 
 #define	DEVICE_LABEL_DSM	0x07

drivers/platform/x86/acer-wmi.c

@@ -41,8 +41,6 @@
 #include <linux/slab.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>
-
-#include <acpi/acpi_drivers.h>
 #include <acpi/video.h>
 
 MODULE_AUTHOR("Carlos Corbacho");

drivers/platform/x86/asus-laptop.c

@@ -53,8 +53,7 @@
 #include <linux/rfkill.h>
 #include <linux/slab.h>
 #include <linux/dmi.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
+#include <linux/acpi.h>
 
 #define ASUS_LAPTOP_VERSION	"0.42"
 

drivers/platform/x86/asus-wmi.c

@@ -45,8 +45,7 @@
 #include <linux/seq_file.h>
 #include <linux/platform_device.h>
 #include <linux/thermal.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <acpi/video.h>
 
 #include "asus-wmi.h"

drivers/platform/x86/classmate-laptop.c

@@ -21,14 +21,13 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/backlight.h>
 #include <linux/input.h>
 #include <linux/rfkill.h>
 
 MODULE_LICENSE("GPL");
 
-
 struct cmpc_accel {
 	int sensitivity;
 	int g_select;

drivers/platform/x86/dell-wmi-aio.c

@@ -24,7 +24,6 @@
 #include <linux/types.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>
-#include <acpi/acpi_drivers.h>
 #include <linux/acpi.h>
 #include <linux/string.h>
 

drivers/platform/x86/dell-wmi.c

@@ -32,7 +32,6 @@
 #include <linux/types.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>
-#include <acpi/acpi_drivers.h>
 #include <linux/acpi.h>
 #include <linux/string.h>
 #include <linux/dmi.h>

drivers/platform/x86/eeepc-laptop.c

@@ -28,8 +28,7 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/slab.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
+#include <linux/acpi.h>
 #include <linux/uaccess.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>

drivers/platform/x86/eeepc-wmi.c

@@ -33,7 +33,7 @@
 #include <linux/input/sparse-keymap.h>
 #include <linux/dmi.h>
 #include <linux/fb.h>
-#include <acpi/acpi_bus.h>
+#include <linux/acpi.h>
 
 #include "asus-wmi.h"
 

drivers/platform/x86/hp_accel.c

@@ -36,7 +36,7 @@
 #include <linux/uaccess.h>
 #include <linux/leds.h>
 #include <linux/atomic.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include "../../misc/lis3lv02d/lis3lv02d.h"
 
 #define DRIVER_NAME     "hp_accel"

drivers/platform/x86/ideapad-laptop.c

@@ -26,8 +26,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/types.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/rfkill.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>

drivers/platform/x86/intel-rst.c

@@ -20,7 +20,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 MODULE_LICENSE("GPL");
 

drivers/platform/x86/intel-smartconnect.c

@@ -19,7 +19,7 @@
 
 #include <linux/init.h>
 #include <linux/module.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 MODULE_LICENSE("GPL");
 

drivers/platform/x86/intel_menlow.c

@@ -36,10 +36,8 @@
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/pm.h>
-
 #include <linux/thermal.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 MODULE_AUTHOR("Thomas Sujith");
 MODULE_AUTHOR("Zhang Rui");

drivers/platform/x86/intel_oaktrail.c

@@ -50,9 +50,6 @@
 #include <linux/platform_device.h>
 #include <linux/dmi.h>
 #include <linux/rfkill.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
 
 #define DRIVER_NAME	"intel_oaktrail"
 #define DRIVER_VERSION	"0.4ac1"

drivers/platform/x86/mxm-wmi.c

@@ -20,8 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 MODULE_AUTHOR("Dave Airlie");
 MODULE_DESCRIPTION("MXM WMI Driver");

drivers/platform/x86/panasonic-laptop.c

@@ -125,12 +125,10 @@
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
 #include <linux/slab.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>
 
-
 #ifndef ACPI_HOTKEY_COMPONENT
 #define ACPI_HOTKEY_COMPONENT	0x10000000
 #endif

drivers/platform/x86/pvpanic.c

@@ -24,8 +24,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/types.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>");
 MODULE_DESCRIPTION("pvpanic device driver");

drivers/platform/x86/samsung-q10.c

@@ -15,7 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/backlight.h>
 #include <linux/dmi.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #define SAMSUNGQ10_BL_MAX_INTENSITY 7
 

drivers/platform/x86/sony-laptop.c

@@ -61,9 +61,6 @@
 #include <linux/workqueue.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
-#include <asm/uaccess.h>
 #include <linux/sonypi.h>
 #include <linux/sony-laptop.h>
 #include <linux/rfkill.h>
@@ -71,6 +68,7 @@
 #include <linux/poll.h>
 #include <linux/miscdevice.h>
 #endif
+#include <asm/uaccess.h>
 
 #define dprintk(fmt, ...)			\
 do {						\

drivers/platform/x86/tc1100-wmi.c

@@ -32,9 +32,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/types.h>
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 #include <linux/platform_device.h>
 
 #define GUID "C364AC71-36DB-495A-8494-B439D472A505"

drivers/platform/x86/thinkpad_acpi.c

@@ -61,7 +61,6 @@
 #include <linux/freezer.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
-
 #include <linux/nvram.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
@@ -74,21 +73,16 @@
 #include <linux/input.h>
 #include <linux/leds.h>
 #include <linux/rfkill.h>
-#include <asm/uaccess.h>
-
 #include <linux/dmi.h>
 #include <linux/jiffies.h>
 #include <linux/workqueue.h>
-
+#include <linux/acpi.h>
+#include <linux/pci_ids.h>
+#include <linux/thinkpad_acpi.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/initval.h>
-
-#include <acpi/acpi_drivers.h>
-
-#include <linux/pci_ids.h>
-
-#include <linux/thinkpad_acpi.h>
+#include <asm/uaccess.h>
 
 /* ThinkPad CMOS commands */
 #define TP_CMOS_VOLUME_DOWN	0

drivers/platform/x86/toshiba_acpi.c

@@ -54,11 +54,9 @@
 #include <linux/slab.h>
 #include <linux/workqueue.h>
 #include <linux/i8042.h>
-
+#include <linux/acpi.h>
 #include <asm/uaccess.h>
 
-#include <acpi/acpi_drivers.h>
-
 MODULE_AUTHOR("John Belmonte");
 MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
 MODULE_LICENSE("GPL");

drivers/platform/x86/toshiba_bluetooth.c

@@ -23,14 +23,12 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/types.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 MODULE_AUTHOR("Jes Sorensen <Jes.Sorensen@gmail.com>");
 MODULE_DESCRIPTION("Toshiba Laptop ACPI Bluetooth Enable Driver");
 MODULE_LICENSE("GPL");
 
-
 static int toshiba_bt_rfkill_add(struct acpi_device *device);
 static int toshiba_bt_rfkill_remove(struct acpi_device *device);
 static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event);

drivers/platform/x86/wmi.c

@@ -37,8 +37,6 @@
 #include <linux/acpi.h>
 #include <linux/slab.h>
 #include <linux/module.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
 
 ACPI_MODULE_NAME("wmi");
 MODULE_AUTHOR("Carlos Corbacho");

drivers/platform/x86/xo15-ebook.c

@@ -18,8 +18,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/input.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
 
 #define MODULE_NAME "xo15-ebook"