Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pul ACPI & Power Management updates from Len Brown:
 - acpidump utility added
 - intel_idle driver now supports IVB Xeon
 - turbostat utility can now count SMIs
 - ACPI can now bind to USB3 hubs
 - misc fixes

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (49 commits)
  ACPI: Add new sysfs interface to export device description
  ACPI: Harden acpi_table_parse_entries() against BIOS bug
  tools/power/turbostat: add option to count SMIs, re-name some options
  tools/power turbostat: add [-d MSR#][-D MSR#] options to print counter deltas
  intel_idle: enable IVB Xeon support
  tools/power turbostat: add [-m MSR#] option
  tools/power turbostat: make -M output pretty
  tools/power turbostat: print more turbo-limit information
  tools/power turbostat: delete unused line
  tools/power turbostat: run on IVB Xeon
  tools/power/acpi/acpidump: create acpidump(8), local make install targets
  tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs
  ACPI: run _OSC after ACPI_FULL_INITIALIZATION
  tools/power/acpi/acpidump: create acpidump(8), local make install targets
  tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs
  tools/power/acpi/acpidump: version 20071116
  tools/power/acpi/acpidump: version 20070714
  tools/power/acpi/acpidump: version 20060606
  tools/power/acpi/acpidump: version 20051111
  xo15-ebook: convert to module_acpi_driver()
  ...

9 files changed, 444 insertions, 80 deletions

diff --git a/include/acpi/acbuffer.h b/include/acpi/acbuffer.h
new file mode 100644
index 000000000000..a1e45cdd729a
--- /dev/null
+++ b/include/acpi/acbuffer.h
@@ -0,0 +1,235 @@
+/******************************************************************************
+ *
+ * Name: acbuffer.h - Support for buffers returned by ACPI predefined names
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACBUFFER_H__
+#define __ACBUFFER_H__
+
+/*
+ * Contains buffer structures for these predefined names:
+ * _FDE, _GRT, _GTM, _PLD, _SRT
+ */
+
+/*
+ * Note: C bitfields are not used for this reason:
+ *
+ * "Bitfields are great and easy to read, but unfortunately the C language
+ * does not specify the layout of bitfields in memory, which means they are
+ * essentially useless for dealing with packed data in on-disk formats or
+ * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
+ * this decision was a design error in C. Ritchie could have picked an order
+ * and stuck with it." Norman Ramsey.
+ * See http://stackoverflow.com/a/1053662/41661
+ */
+
+/* _FDE return value */
+
+struct acpi_fde_info {
+	u32 floppy0;
+	u32 floppy1;
+	u32 floppy2;
+	u32 floppy3;
+	u32 tape;
+};
+
+/*
+ * _GRT return value
+ * _SRT input value
+ */
+struct acpi_grt_info {
+	u16 year;
+	u8 month;
+	u8 day;
+	u8 hour;
+	u8 minute;
+	u8 second;
+	u8 valid;
+	u16 milliseconds;
+	u16 timezone;
+	u8 daylight;
+	u8 reserved[3];
+};
+
+/* _GTM return value */
+
+struct acpi_gtm_info {
+	u32 pio_speed0;
+	u32 dma_speed0;
+	u32 pio_speed1;
+	u32 dma_speed1;
+	u32 flags;
+};
+
+/*
+ * Formatted _PLD return value. The minimum size is a package containing
+ * one buffer.
+ * Revision 1: Buffer is 16 bytes (128 bits)
+ * Revision 2: Buffer is 20 bytes (160 bits)
+ *
+ * Note: This structure is returned from the acpi_decode_pld_buffer
+ * interface.
+ */
+struct acpi_pld_info {
+	u8 revision;
+	u8 ignore_color;
+	u32 color;
+	u16 width;
+	u16 height;
+	u8 user_visible;
+	u8 dock;
+	u8 lid;
+	u8 panel;
+	u8 vertical_position;
+	u8 horizontal_position;
+	u8 shape;
+	u8 group_orientation;
+	u8 group_token;
+	u8 group_position;
+	u8 bay;
+	u8 ejectable;
+	u8 ospm_eject_required;
+	u8 cabinet_number;
+	u8 card_cage_number;
+	u8 reference;
+	u8 rotation;
+	u8 order;
+	u8 reserved;
+	u16 vertical_offset;
+	u16 horizontal_offset;
+};
+
+/*
+ * Macros to:
+ *     1) Convert a _PLD buffer to internal struct acpi_pld_info format - ACPI_PLD_GET*
+ *        (Used by acpi_decode_pld_buffer)
+ *     2) Construct a _PLD buffer - ACPI_PLD_SET*
+ *        (Intended for BIOS use only)
+ */
+#define ACPI_PLD_REV1_BUFFER_SIZE               16	/* For Revision 1 of the buffer (From ACPI spec) */
+#define ACPI_PLD_BUFFER_SIZE                    20	/* For Revision 2 of the buffer (From ACPI spec) */
+
+/* First 32-bit dword, bits 0:32 */
+
+#define ACPI_PLD_GET_REVISION(dword)            ACPI_GET_BITS (dword, 0, ACPI_7BIT_MASK)
+#define ACPI_PLD_SET_REVISION(dword,value)      ACPI_SET_BITS (dword, 0, ACPI_7BIT_MASK, value)	/* Offset 0, Len 7 */
+
+#define ACPI_PLD_GET_IGNORE_COLOR(dword)        ACPI_GET_BITS (dword, 7, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_IGNORE_COLOR(dword,value)  ACPI_SET_BITS (dword, 7, ACPI_1BIT_MASK, value)	/* Offset 7, Len 1 */
+
+#define ACPI_PLD_GET_COLOR(dword)               ACPI_GET_BITS (dword, 8, ACPI_24BIT_MASK)
+#define ACPI_PLD_SET_COLOR(dword,value)         ACPI_SET_BITS (dword, 8, ACPI_24BIT_MASK, value)	/* Offset 8, Len 24 */
+
+/* Second 32-bit dword, bits 33:63 */
+
+#define ACPI_PLD_GET_WIDTH(dword)               ACPI_GET_BITS (dword, 0, ACPI_16BIT_MASK)
+#define ACPI_PLD_SET_WIDTH(dword,value)         ACPI_SET_BITS (dword, 0, ACPI_16BIT_MASK, value)	/* Offset 32+0=32, Len 16 */
+
+#define ACPI_PLD_GET_HEIGHT(dword)              ACPI_GET_BITS (dword, 16, ACPI_16BIT_MASK)
+#define ACPI_PLD_SET_HEIGHT(dword,value)        ACPI_SET_BITS (dword, 16, ACPI_16BIT_MASK, value)	/* Offset 32+16=48, Len 16 */
+
+/* Third 32-bit dword, bits 64:95 */
+
+#define ACPI_PLD_GET_USER_VISIBLE(dword)        ACPI_GET_BITS (dword, 0, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_USER_VISIBLE(dword,value)  ACPI_SET_BITS (dword, 0, ACPI_1BIT_MASK, value)	/* Offset 64+0=64, Len 1 */
+
+#define ACPI_PLD_GET_DOCK(dword)                ACPI_GET_BITS (dword, 1, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_DOCK(dword,value)          ACPI_SET_BITS (dword, 1, ACPI_1BIT_MASK, value)	/* Offset 64+1=65, Len 1 */
+
+#define ACPI_PLD_GET_LID(dword)                 ACPI_GET_BITS (dword, 2, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_LID(dword,value)           ACPI_SET_BITS (dword, 2, ACPI_1BIT_MASK, value)	/* Offset 64+2=66, Len 1 */
+
+#define ACPI_PLD_GET_PANEL(dword)               ACPI_GET_BITS (dword, 3, ACPI_3BIT_MASK)
+#define ACPI_PLD_SET_PANEL(dword,value)         ACPI_SET_BITS (dword, 3, ACPI_3BIT_MASK, value)	/* Offset 64+3=67, Len 3 */
+
+#define ACPI_PLD_GET_VERTICAL(dword)            ACPI_GET_BITS (dword, 6, ACPI_2BIT_MASK)
+#define ACPI_PLD_SET_VERTICAL(dword,value)      ACPI_SET_BITS (dword, 6, ACPI_2BIT_MASK, value)	/* Offset 64+6=70, Len 2 */
+
+#define ACPI_PLD_GET_HORIZONTAL(dword)          ACPI_GET_BITS (dword, 8, ACPI_2BIT_MASK)
+#define ACPI_PLD_SET_HORIZONTAL(dword,value)    ACPI_SET_BITS (dword, 8, ACPI_2BIT_MASK, value)	/* Offset 64+8=72, Len 2 */
+
+#define ACPI_PLD_GET_SHAPE(dword)               ACPI_GET_BITS (dword, 10, ACPI_4BIT_MASK)
+#define ACPI_PLD_SET_SHAPE(dword,value)         ACPI_SET_BITS (dword, 10, ACPI_4BIT_MASK, value)	/* Offset 64+10=74, Len 4 */
+
+#define ACPI_PLD_GET_ORIENTATION(dword)         ACPI_GET_BITS (dword, 14, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_ORIENTATION(dword,value)   ACPI_SET_BITS (dword, 14, ACPI_1BIT_MASK, value)	/* Offset 64+14=78, Len 1 */
+
+#define ACPI_PLD_GET_TOKEN(dword)               ACPI_GET_BITS (dword, 15, ACPI_8BIT_MASK)
+#define ACPI_PLD_SET_TOKEN(dword,value)         ACPI_SET_BITS (dword, 15, ACPI_8BIT_MASK, value)	/* Offset 64+15=79, Len 8 */
+
+#define ACPI_PLD_GET_POSITION(dword)            ACPI_GET_BITS (dword, 23, ACPI_8BIT_MASK)
+#define ACPI_PLD_SET_POSITION(dword,value)      ACPI_SET_BITS (dword, 23, ACPI_8BIT_MASK, value)	/* Offset 64+23=87, Len 8 */
+
+#define ACPI_PLD_GET_BAY(dword)                 ACPI_GET_BITS (dword, 31, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_BAY(dword,value)           ACPI_SET_BITS (dword, 31, ACPI_1BIT_MASK, value)	/* Offset 64+31=95, Len 1 */
+
+/* Fourth 32-bit dword, bits 96:127 */
+
+#define ACPI_PLD_GET_EJECTABLE(dword)           ACPI_GET_BITS (dword, 0, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_EJECTABLE(dword,value)     ACPI_SET_BITS (dword, 0, ACPI_1BIT_MASK, value)	/* Offset 96+0=96, Len 1 */
+
+#define ACPI_PLD_GET_OSPM_EJECT(dword)          ACPI_GET_BITS (dword, 1, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_OSPM_EJECT(dword,value)    ACPI_SET_BITS (dword, 1, ACPI_1BIT_MASK, value)	/* Offset 96+1=97, Len 1 */
+
+#define ACPI_PLD_GET_CABINET(dword)             ACPI_GET_BITS (dword, 2, ACPI_8BIT_MASK)
+#define ACPI_PLD_SET_CABINET(dword,value)       ACPI_SET_BITS (dword, 2, ACPI_8BIT_MASK, value)	/* Offset 96+2=98, Len 8 */
+
+#define ACPI_PLD_GET_CARD_CAGE(dword)           ACPI_GET_BITS (dword, 10, ACPI_8BIT_MASK)
+#define ACPI_PLD_SET_CARD_CAGE(dword,value)     ACPI_SET_BITS (dword, 10, ACPI_8BIT_MASK, value)	/* Offset 96+10=106, Len 8 */
+
+#define ACPI_PLD_GET_REFERENCE(dword)           ACPI_GET_BITS (dword, 18, ACPI_1BIT_MASK)
+#define ACPI_PLD_SET_REFERENCE(dword,value)     ACPI_SET_BITS (dword, 18, ACPI_1BIT_MASK, value)	/* Offset 96+18=114, Len 1 */
+
+#define ACPI_PLD_GET_ROTATION(dword)            ACPI_GET_BITS (dword, 19, ACPI_4BIT_MASK)
+#define ACPI_PLD_SET_ROTATION(dword,value)      ACPI_SET_BITS (dword, 19, ACPI_4BIT_MASK, value)	/* Offset 96+19=115, Len 4 */
+
+#define ACPI_PLD_GET_ORDER(dword)               ACPI_GET_BITS (dword, 23, ACPI_5BIT_MASK)
+#define ACPI_PLD_SET_ORDER(dword,value)         ACPI_SET_BITS (dword, 23, ACPI_5BIT_MASK, value)	/* Offset 96+23=119, Len 5 */
+
+/* Fifth 32-bit dword, bits 128:159 (Revision 2 of _PLD only) */
+
+#define ACPI_PLD_GET_VERT_OFFSET(dword)         ACPI_GET_BITS (dword, 0, ACPI_16BIT_MASK)
+#define ACPI_PLD_SET_VERT_OFFSET(dword,value)   ACPI_SET_BITS (dword, 0, ACPI_16BIT_MASK, value)	/* Offset 128+0=128, Len 16 */
+
+#define ACPI_PLD_GET_HORIZ_OFFSET(dword)        ACPI_GET_BITS (dword, 16, ACPI_16BIT_MASK)
+#define ACPI_PLD_SET_HORIZ_OFFSET(dword,value)  ACPI_SET_BITS (dword, 16, ACPI_16BIT_MASK, value)	/* Offset 128+16=144, Len 16 */
+
+#endif				/* ACBUFFER_H */
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index d988ac54f41e..745dd24e3cb5 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -63,11 +63,10 @@
 #define METHOD_NAME__PRW        "_PRW"
 #define METHOD_NAME__SRS        "_SRS"
 #define METHOD_NAME__CBA        "_CBA"
+#define METHOD_NAME__PLD        "_PLD"
 
 /* Method names - these methods must appear at the namespace root */
 
-#define METHOD_PATHNAME__BFS    "\\_BFS"
-#define METHOD_PATHNAME__GTS    "\\_GTS"
 #define METHOD_PATHNAME__PTS    "\\_PTS"
 #define METHOD_PATHNAME__SST    "\\_SI._SST"
 #define METHOD_PATHNAME__WAK    "\\_WAK"
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index bde976ee068d..0daa0fbd8654 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -54,37 +54,8 @@ acpi_status
 acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event,
 			u32 status_code, struct acpi_buffer *status_buf);
 
-struct acpi_pld {
-	unsigned int revision:7; /* 0 */
-	unsigned int ignore_colour:1; /* 7 */
-	unsigned int colour:24; /* 8 */
-	unsigned int width:16; /* 32 */
-	unsigned int height:16; /* 48 */
-	unsigned int user_visible:1; /* 64 */
-	unsigned int dock:1; /* 65 */
-	unsigned int lid:1; /* 66 */
-	unsigned int panel:3; /* 67 */
-	unsigned int vertical_pos:2; /* 70 */
-	unsigned int horizontal_pos:2; /* 72 */
-	unsigned int shape:4; /* 74 */
-	unsigned int group_orientation:1; /* 78 */
-	unsigned int group_token:8; /* 79 */
-	unsigned int group_position:8; /* 87 */
-	unsigned int bay:1; /* 95 */
-	unsigned int ejectable:1; /* 96 */
-	unsigned int ospm_eject_required:1; /* 97 */
-	unsigned int cabinet_number:8; /* 98 */
-	unsigned int card_cage_number:8; /* 106 */
-	unsigned int reference:1; /* 114 */
-	unsigned int rotation:4; /* 115 */
-	unsigned int order:5; /* 119 */
-	unsigned int reserved:4; /* 124 */
-	unsigned int vertical_offset:16; /* 128 */
-	unsigned int horizontal_offset:16; /* 144 */
-} __attribute__((__packed__));
-
 acpi_status
-acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld *pld);
+acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
 #ifdef CONFIG_ACPI
 
 #include <linux/proc_fs.h>
@@ -208,6 +179,7 @@ struct acpi_device_pnp {
 	struct list_head ids;		/* _HID and _CIDs */
 	acpi_device_name device_name;	/* Driver-determined */
 	acpi_device_class device_class;	/*        "          */
+	union acpi_object *str_obj;	/* unicode string for _STR method */
 };
 
 #define acpi_device_bid(d)	((d)->pnp.bus_id)
@@ -282,8 +254,16 @@ struct acpi_device_wakeup {
 	int prepare_count;
 };
 
-/* Device */
+struct acpi_device_physical_node {
+	u8 node_id;
+	struct list_head node;
+	struct device *dev;
+};
+
+/* set maximum of physical nodes to 32 for expansibility */
+#define ACPI_MAX_PHYSICAL_NODE	32
 
+/* Device */
 struct acpi_device {
 	int device_type;
 	acpi_handle handle;		/* no handle for fixed hardware */
@@ -304,6 +284,10 @@ struct acpi_device {
 	struct device dev;
 	struct acpi_bus_ops bus_ops;	/* workaround for different code path for hotplug */
 	enum acpi_bus_removal_type removal_type;	/* indicate for different removal type */
+	u8 physical_node_count;
+	struct list_head physical_node_list;
+	struct mutex physical_node_lock;
+	DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE);
 };
 
 static inline void *acpi_driver_data(struct acpi_device *d)
@@ -381,6 +365,19 @@ int acpi_match_device_ids(struct acpi_device *device,
 int acpi_create_dir(struct acpi_device *);
 void acpi_remove_dir(struct acpi_device *);
 
+
+/**
+ * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver
+ * @__acpi_driver: acpi_driver struct
+ *
+ * Helper macro for ACPI drivers which do not do anything special in module
+ * init/exit. This eliminates a lot of boilerplate. Each module may only
+ * use this macro once, and calling it replaces module_init() and module_exit()
+ */
+#define module_acpi_driver(__acpi_driver) \
+	module_driver(__acpi_driver, acpi_bus_register_driver, \
+		      acpi_bus_unregister_driver)
+
 /*
  * Bind physical devices with ACPI devices
  */
@@ -394,7 +391,6 @@ struct acpi_bus_type {
 };
 int register_acpi_bus_type(struct acpi_bus_type *);
 int unregister_acpi_bus_type(struct acpi_bus_type *);
-struct device *acpi_get_physical_device(acpi_handle);
 
 struct acpi_pci_root {
 	struct list_head node;
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 51405d32ac64..8b891dbead66 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -47,11 +47,12 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20120711
+#define ACPI_CA_VERSION                 0x20120913
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
 #include <acpi/actbl.h>
+#include <acpi/acbuffer.h>
 
 extern u8 acpi_gbl_permanent_mmap;
 
@@ -144,6 +145,10 @@ acpi_check_address_range(acpi_adr_space_type space_id,
 			 acpi_physical_address address,
 			 acpi_size length, u8 warn);
 
+acpi_status
+acpi_decode_pld_buffer(u8 *in_buffer,
+		       acpi_size length, struct acpi_pld_info **return_buffer);
+
 /*
  * ACPI Memory management
  */
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 59a73e1b2845..4f94b1d812d5 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -79,9 +79,15 @@
 #pragma pack(1)
 
 /*
- * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
- * This is the only type that is even remotely portable. Anything else is not
- * portable, so do not use any other bitfield types.
+ * Note: C bitfields are not used for this reason:
+ *
+ * "Bitfields are great and easy to read, but unfortunately the C language
+ * does not specify the layout of bitfields in memory, which means they are
+ * essentially useless for dealing with packed data in on-disk formats or
+ * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
+ * this decision was a design error in C. Ritchie could have picked an order
+ * and stuck with it." Norman Ramsey.
+ * See http://stackoverflow.com/a/1053662/41661
  */
 
 /*******************************************************************************
@@ -94,7 +100,7 @@
 struct acpi_table_header {
 	char signature[ACPI_NAME_SIZE];	/* ASCII table signature */
 	u32 length;		/* Length of table in bytes, including this header */
-	u8 revision;		/* ACPI Specification minor version # */
+	u8 revision;		/* ACPI Specification minor version number */
 	u8 checksum;		/* To make sum of entire table == 0 */
 	char oem_id[ACPI_OEM_ID_SIZE];	/* ASCII OEM identification */
 	char oem_table_id[ACPI_OEM_TABLE_ID_SIZE];	/* ASCII OEM table identification */
@@ -108,7 +114,7 @@ struct acpi_table_header {
  * GAS - Generic Address Structure (ACPI 2.0+)
  *
  * Note: Since this structure is used in the ACPI tables, it is byte aligned.
- * If misaliged access is not supported by the hardware, accesses to the
+ * If misaligned access is not supported by the hardware, accesses to the
  * 64-bit Address field must be performed with care.
  *
  ******************************************************************************/
@@ -210,18 +216,18 @@ struct acpi_table_fadt {
 	u8 preferred_profile;	/* Conveys preferred power management profile to OSPM. */
 	u16 sci_interrupt;	/* System vector of SCI interrupt */
 	u32 smi_command;	/* 32-bit Port address of SMI command port */
-	u8 acpi_enable;		/* Value to write to smi_cmd to enable ACPI */
-	u8 acpi_disable;	/* Value to write to smi_cmd to disable ACPI */
-	u8 s4_bios_request;	/* Value to write to SMI CMD to enter S4BIOS state */
+	u8 acpi_enable;		/* Value to write to SMI_CMD to enable ACPI */
+	u8 acpi_disable;	/* Value to write to SMI_CMD to disable ACPI */
+	u8 s4_bios_request;	/* Value to write to SMI_CMD to enter S4BIOS state */
 	u8 pstate_control;	/* Processor performance state control */
-	u32 pm1a_event_block;	/* 32-bit Port address of Power Mgt 1a Event Reg Blk */
-	u32 pm1b_event_block;	/* 32-bit Port address of Power Mgt 1b Event Reg Blk */
-	u32 pm1a_control_block;	/* 32-bit Port address of Power Mgt 1a Control Reg Blk */
-	u32 pm1b_control_block;	/* 32-bit Port address of Power Mgt 1b Control Reg Blk */
-	u32 pm2_control_block;	/* 32-bit Port address of Power Mgt 2 Control Reg Blk */
-	u32 pm_timer_block;	/* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */
-	u32 gpe0_block;		/* 32-bit Port address of General Purpose Event 0 Reg Blk */
-	u32 gpe1_block;		/* 32-bit Port address of General Purpose Event 1 Reg Blk */
+	u32 pm1a_event_block;	/* 32-bit port address of Power Mgt 1a Event Reg Blk */
+	u32 pm1b_event_block;	/* 32-bit port address of Power Mgt 1b Event Reg Blk */
+	u32 pm1a_control_block;	/* 32-bit port address of Power Mgt 1a Control Reg Blk */
+	u32 pm1b_control_block;	/* 32-bit port address of Power Mgt 1b Control Reg Blk */
+	u32 pm2_control_block;	/* 32-bit port address of Power Mgt 2 Control Reg Blk */
+	u32 pm_timer_block;	/* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
+	u32 gpe0_block;		/* 32-bit port address of General Purpose Event 0 Reg Blk */
+	u32 gpe1_block;		/* 32-bit port address of General Purpose Event 1 Reg Blk */
 	u8 pm1_event_length;	/* Byte Length of ports at pm1x_event_block */
 	u8 pm1_control_length;	/* Byte Length of ports at pm1x_control_block */
 	u8 pm2_control_length;	/* Byte Length of ports at pm2_control_block */
@@ -229,12 +235,12 @@ struct acpi_table_fadt {
 	u8 gpe0_block_length;	/* Byte Length of ports at gpe0_block */
 	u8 gpe1_block_length;	/* Byte Length of ports at gpe1_block */
 	u8 gpe1_base;		/* Offset in GPE number space where GPE1 events start */
-	u8 cst_control;		/* Support for the _CST object and C States change notification */
+	u8 cst_control;		/* Support for the _CST object and C-States change notification */
 	u16 c2_latency;		/* Worst case HW latency to enter/exit C2 state */
 	u16 c3_latency;		/* Worst case HW latency to enter/exit C3 state */
-	u16 flush_size;		/* Processor's memory cache line width, in bytes */
+	u16 flush_size;		/* Processor memory cache line width, in bytes */
 	u16 flush_stride;	/* Number of flush strides that need to be read */
-	u8 duty_offset;		/* Processor duty cycle index in processor's P_CNT reg */
+	u8 duty_offset;		/* Processor duty cycle index in processor P_CNT reg */
 	u8 duty_width;		/* Processor duty cycle value bit width in P_CNT register */
 	u8 day_alarm;		/* Index to day-of-month alarm in RTC CMOS RAM */
 	u8 month_alarm;		/* Index to month-of-year alarm in RTC CMOS RAM */
@@ -255,11 +261,11 @@ struct acpi_table_fadt {
 	struct acpi_generic_address xpm_timer_block;	/* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
 	struct acpi_generic_address xgpe0_block;	/* 64-bit Extended General Purpose Event 0 Reg Blk address */
 	struct acpi_generic_address xgpe1_block;	/* 64-bit Extended General Purpose Event 1 Reg Blk address */
-	struct acpi_generic_address sleep_control;	/* 64-bit Sleep Control register */
-	struct acpi_generic_address sleep_status;	/* 64-bit Sleep Status register */
+	struct acpi_generic_address sleep_control;	/* 64-bit Sleep Control register (ACPI 5.0) */
+	struct acpi_generic_address sleep_status;	/* 64-bit Sleep Status register (ACPI 5.0) */
 };
 
-/* Masks for FADT Boot Architecture Flags (boot_flags) */
+/* Masks for FADT Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
 
 #define ACPI_FADT_LEGACY_DEVICES    (1)  	/* 00: [V2] System has LPC or ISA bus devices */
 #define ACPI_FADT_8042              (1<<1)	/* 01: [V3] System has an 8042 controller on port 60/64 */
@@ -272,13 +278,13 @@ struct acpi_table_fadt {
 
 /* Masks for FADT flags */
 
-#define ACPI_FADT_WBINVD            (1)	/* 00: [V1] The wbinvd instruction works properly */
-#define ACPI_FADT_WBINVD_FLUSH      (1<<1)	/* 01: [V1] wbinvd flushes but does not invalidate caches */
+#define ACPI_FADT_WBINVD            (1)	/* 00: [V1] The WBINVD instruction works properly */
+#define ACPI_FADT_WBINVD_FLUSH      (1<<1)	/* 01: [V1] WBINVD flushes but does not invalidate caches */
 #define ACPI_FADT_C1_SUPPORTED      (1<<2)	/* 02: [V1] All processors support C1 state */
 #define ACPI_FADT_C2_MP_SUPPORTED   (1<<3)	/* 03: [V1] C2 state works on MP system */
 #define ACPI_FADT_POWER_BUTTON      (1<<4)	/* 04: [V1] Power button is handled as a control method device */
 #define ACPI_FADT_SLEEP_BUTTON      (1<<5)	/* 05: [V1] Sleep button is handled as a control method device */
-#define ACPI_FADT_FIXED_RTC         (1<<6)	/* 06: [V1] RTC wakeup status not in fixed register space */
+#define ACPI_FADT_FIXED_RTC         (1<<6)	/* 06: [V1] RTC wakeup status is not in fixed register space */
 #define ACPI_FADT_S4_RTC_WAKE       (1<<7)	/* 07: [V1] RTC alarm can wake system from S4 */
 #define ACPI_FADT_32BIT_TIMER       (1<<8)	/* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
 #define ACPI_FADT_DOCKING_SUPPORTED (1<<9)	/* 09: [V1] Docking supported */
@@ -297,7 +303,7 @@ struct acpi_table_fadt {
 
 /* Values for preferred_profile (Preferred Power Management Profiles) */
 
-enum acpi_prefered_pm_profiles {
+enum acpi_preferred_pm_profiles {
 	PM_UNSPECIFIED = 0,
 	PM_DESKTOP = 1,
 	PM_MOBILE = 2,
@@ -335,7 +341,7 @@ union acpi_name_union {
 struct acpi_table_desc {
 	acpi_physical_address address;
 	struct acpi_table_header *pointer;
-	u32 length;		/* Length fixed at 32 bits */
+	u32 length;		/* Length fixed at 32 bits (fixed in table header) */
 	union acpi_name_union signature;
 	acpi_owner_id owner_id;
 	u8 flags;
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 300d14e7c5d5..280fc45b59dd 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -79,9 +79,15 @@
 #pragma pack(1)
 
 /*
- * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
- * This is the only type that is even remotely portable. Anything else is not
- * portable, so do not use any other bitfield types.
+ * Note: C bitfields are not used for this reason:
+ *
+ * "Bitfields are great and easy to read, but unfortunately the C language
+ * does not specify the layout of bitfields in memory, which means they are
+ * essentially useless for dealing with packed data in on-disk formats or
+ * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
+ * this decision was a design error in C. Ritchie could have picked an order
+ * and stuck with it." Norman Ramsey.
+ * See http://stackoverflow.com/a/1053662/41661
  */
 
 /*******************************************************************************
@@ -489,7 +495,9 @@ enum acpi_hest_notify_types {
 	ACPI_HEST_NOTIFY_LOCAL = 2,
 	ACPI_HEST_NOTIFY_SCI = 3,
 	ACPI_HEST_NOTIFY_NMI = 4,
-	ACPI_HEST_NOTIFY_RESERVED = 5	/* 5 and greater are reserved */
+	ACPI_HEST_NOTIFY_CMCI = 5,	/* ACPI 5.0 */
+	ACPI_HEST_NOTIFY_MCE = 6,	/* ACPI 5.0 */
+	ACPI_HEST_NOTIFY_RESERVED = 7	/* 7 and greater are reserved */
 };
 
 /* Values for config_write_enable bitfield above */
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index d9ceb3d31629..1b2b356486d1 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -63,6 +63,8 @@
  */
 #define ACPI_SIG_ASF            "ASF!"	/* Alert Standard Format table */
 #define ACPI_SIG_BOOT           "BOOT"	/* Simple Boot Flag Table */
+#define ACPI_SIG_CSRT           "CSRT"	/* Core System Resource Table */
+#define ACPI_SIG_DBG2           "DBG2"	/* Debug Port table type 2 */
 #define ACPI_SIG_DBGP           "DBGP"	/* Debug Port table */
 #define ACPI_SIG_DMAR           "DMAR"	/* DMA Remapping table */
 #define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
@@ -96,9 +98,15 @@
 #pragma pack(1)
 
 /*
- * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
- * This is the only type that is even remotely portable. Anything else is not
- * portable, so do not use any other bitfield types.
+ * Note: C bitfields are not used for this reason:
+ *
+ * "Bitfields are great and easy to read, but unfortunately the C language
+ * does not specify the layout of bitfields in memory, which means they are
+ * essentially useless for dealing with packed data in on-disk formats or
+ * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
+ * this decision was a design error in C. Ritchie could have picked an order
+ * and stuck with it." Norman Ramsey.
+ * See http://stackoverflow.com/a/1053662/41661
  */
 
 /*******************************************************************************
@@ -232,6 +240,115 @@ struct acpi_table_boot {
 
 /*******************************************************************************
  *
+ * CSRT - Core System Resource Table
+ *        Version 0
+ *
+ * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011
+ *
+ ******************************************************************************/
+
+struct acpi_table_csrt {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* Resource Group subtable */
+
+struct acpi_csrt_group {
+	u32 length;
+	u32 vendor_id;
+	u32 subvendor_id;
+	u16 device_id;
+	u16 subdevice_id;
+	u16 revision;
+	u16 reserved;
+	u32 info_length;
+
+	/* Shared data (length = info_length) immediately follows */
+};
+
+/* Resource Descriptor subtable */
+
+struct acpi_csrt_descriptor {
+	u32 length;
+	u16 type;
+	u16 subtype;
+	u32 uid;
+
+	/* Resource-specific information immediately follows */
+};
+
+/* Resource Types */
+
+#define ACPI_CSRT_TYPE_INTERRUPT    0x0001
+#define ACPI_CSRT_TYPE_TIMER        0x0002
+#define ACPI_CSRT_TYPE_DMA          0x0003
+
+/* Resource Subtypes */
+
+#define ACPI_CSRT_XRUPT_LINE        0x0000
+#define ACPI_CSRT_XRUPT_CONTROLLER  0x0001
+#define ACPI_CSRT_TIMER             0x0000
+#define ACPI_CSRT_DMA_CHANNEL       0x0000
+#define ACPI_CSRT_DMA_CONTROLLER    0x0001
+
+/*******************************************************************************
+ *
+ * DBG2 - Debug Port Table 2
+ *        Version 0 (Both main table and subtables)
+ *
+ * Conforms to "Microsoft Debug Port Table 2 (DBG2)", May 22 2012.
+ *
+ ******************************************************************************/
+
+struct acpi_table_dbg2 {
+	struct acpi_table_header header;	/* Common ACPI table header */
+	u32 info_offset;
+	u32 info_count;
+};
+
+/* Debug Device Information Subtable */
+
+struct acpi_dbg2_device {
+	u8 revision;
+	u16 length;
+	u8 register_count;	/* Number of base_address registers */
+	u16 namepath_length;
+	u16 namepath_offset;
+	u16 oem_data_length;
+	u16 oem_data_offset;
+	u16 port_type;
+	u16 port_subtype;
+	u16 reserved;
+	u16 base_address_offset;
+	u16 address_size_offset;
+	/*
+	 * Data that follows:
+	 *    base_address (required) - Each in 12-byte Generic Address Structure format.
+	 *    address_size (required) - Array of u32 sizes corresponding to each base_address register.
+	 *    Namepath    (required) - Null terminated string. Single dot if not supported.
+	 *    oem_data    (optional) - Length is oem_data_length.
+	 */
+};
+
+/* Types for port_type field above */
+
+#define ACPI_DBG2_SERIAL_PORT       0x8000
+#define ACPI_DBG2_1394_PORT         0x8001
+#define ACPI_DBG2_USB_PORT          0x8002
+#define ACPI_DBG2_NET_PORT          0x8003
+
+/* Subtypes for port_subtype field above */
+
+#define ACPI_DBG2_16550_COMPATIBLE  0x0000
+#define ACPI_DBG2_16550_SUBSET      0x0001
+
+#define ACPI_DBG2_1394_STANDARD     0x0000
+
+#define ACPI_DBG2_USB_XHCI          0x0000
+#define ACPI_DBG2_USB_EHCI          0x0001
+
+/*******************************************************************************
+ *
  * DBGP - Debug Port table
  *        Version 1
  *
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index f65a0ed869eb..8c61b5fe42a4 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -75,7 +75,6 @@
 /* Reserved table signatures */
 
 #define ACPI_SIG_CSRT           "CSRT"	/* Core System Resources Table */
-#define ACPI_SIG_DBG2           "DBG2"	/* Debug Port table 2 */
 #define ACPI_SIG_MATR           "MATR"	/* Memory Address Translation Table */
 #define ACPI_SIG_MSDM           "MSDM"	/* Microsoft Data Management Table */
 #define ACPI_SIG_WPBT           "WPBT"	/* Windows Platform Binary Table */
@@ -87,9 +86,15 @@
 #pragma pack(1)
 
 /*
- * Note about bitfields: The u8 type is used for bitfields in ACPI tables.
- * This is the only type that is even remotely portable. Anything else is not
- * portable, so do not use any other bitfield types.
+ * Note: C bitfields are not used for this reason:
+ *
+ * "Bitfields are great and easy to read, but unfortunately the C language
+ * does not specify the layout of bitfields in memory, which means they are
+ * essentially useless for dealing with packed data in on-disk formats or
+ * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
+ * this decision was a design error in C. Ritchie could have picked an order
+ * and stuck with it." Norman Ramsey.
+ * See http://stackoverflow.com/a/1053662/41661
  */
 
 /*******************************************************************************
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 3d00bd5bd7e3..a85bae968262 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -519,13 +519,6 @@ typedef u64 acpi_integer;
 #define ACPI_SLEEP_TYPE_INVALID         0xFF
 
 /*
- * Sleep/Wake flags
- */
-#define ACPI_NO_OPTIONAL_METHODS        0x00	/* Do not execute any optional methods */
-#define ACPI_EXECUTE_GTS                0x01	/* For enter sleep interface */
-#define ACPI_EXECUTE_BFS                0x02	/* For leave sleep prep interface */
-
-/*
  * Standard notify values
  */
 #define ACPI_NOTIFY_BUS_CHECK           (u8) 0x00