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ACPI updates for 5.6-rc1

Browse Source 
- Update the ACPICA code in the kernel to upstream revision
    20200110 including:
 
    * Update of copyright notices to 2020 (Bob Moore).
 
    * Dispatcher fix to always generate buffer objects for the ASL
      create_field() operator (Maximilian Luz).
 
    * Debugger cleanup (Colin Ian King).
 
    * Disassembler change to create buffer fields in
      ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
 
    * UNIX line ending support for non-windows builds in acpisrc
      (Erik Kaneda).
 
  - Update the list of ACPICA maintainers (Rafael Wysocki).
 
  - Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
    int340x_thermal and intel-hid drivers (Gayatri Kammela).
 
  - Make the ACPI fan driver create additional sysfs attributes to
    expose power states information for fans (Srinivas Pandruvada).
 
  - Fix up the ACPI battery driver to deal with unexpected battery
    capacity information in a better way (Hans de Goede).
 
  - Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
    boards (Aaron Ma, Hans de Goede).
 
  - Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
    to the ACPI button driver (Jason Ekstrand).
 
  - Drop TIMER_DEFERRABLE from the GHES polling mode timer function
    flags to make it run precisely at the configured time (Bhaskar
    Upadhaya).
 
  - Fix race condition related to the reference counting of query
    handlers in the ACPI EC driver (Rafael Wysocki).
 
  - Fix ACPI tools build issue (Zhengyuan Liu).
 
  - Replace dma_request_slave_channel() with dma_request_chan() in the
    firmware guide documentation for ACPI (Peter Ujfalusi).
 
  - Fix typo in a comment and clean up function parameter data type
    inconsistencies (Kacper Piwiński, Tian Tao).
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Merge tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to the most recent upstream
  revision (20200110), add new hardware support to a handful of ACPI
  drivers, make the ACPI fan driver expose power states information for
  fans, add some more quirks, fix bugs and clean up assorted things.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20200110
     including:
      - Update of copyright notices to 2020 (Bob Moore).
      - Dispatcher fix to always generate buffer objects for the ASL
        create_field() operator (Maximilian Luz).
      - Debugger cleanup (Colin Ian King).
      - Disassembler change to create buffer fields in
        ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
      - UNIX line ending support for non-windows builds in acpisrc (Erik
        Kaneda).

   - Update the list of ACPICA maintainers (Rafael Wysocki).

   - Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
     int340x_thermal and intel-hid drivers (Gayatri Kammela).

   - Make the ACPI fan driver create additional sysfs attributes to
     expose power states information for fans (Srinivas Pandruvada).

   - Fix up the ACPI battery driver to deal with unexpected battery
     capacity information in a better way (Hans de Goede).

   - Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
     boards (Aaron Ma, Hans de Goede).

   - Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch to
     the ACPI button driver (Jason Ekstrand).

   - Drop TIMER_DEFERRABLE from the GHES polling mode timer function
     flags to make it run precisely at the configured time (Bhaskar
     Upadhaya).

   - Fix race condition related to the reference counting of query
     handlers in the ACPI EC driver (Rafael Wysocki).

   - Fix ACPI tools build issue (Zhengyuan Liu).

   - Replace dma_request_slave_channel() with dma_request_chan() in the
     firmware guide documentation for ACPI (Peter Ujfalusi).

   - Fix typo in a comment and clean up function parameter data type
     inconsistencies (Kacper Piwiński, Tian Tao)"

* tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
  ACPICA: Update version to 20200110
  ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
  apei/ghes: Do not delay GHES polling
  ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
  ACPI: PPTT: Consistently use unsigned int as parameter type
  ACPI: EC: Reference count query handlers under lock
  ACPICA: Update the list of maintainers
  ACPICA: Update version to 20191213
  ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
  ACPICA: acpisrc: add unix line ending support for non-windows build
  ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
  ACPICA: debugger: fix spelling mistake "adress" -> "address"
  ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
  docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()
  thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
  platform/x86: intel-hid: Add Tiger Lake ACPI device ID
  ACPI: fan: Add Tiger Lake ACPI device ID
  ACPI: DPTF: Add Tiger Lake ACPI device IDs
  ACPI: fan: Expose fan performance state information
  tools/power/acpi: fix compilation error
  ...
This commit is contained in:
Linus Torvalds 2020-01-27 11:48:47 -08:00
commit 55816dc1a5
195 changed files with 511 additions and 246 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.mailmap
View File

@ -74,6 +74,7 @@ Dmitry Safonov <0x7f454c46@gmail.com> <dima@arista.com>
Domen Puncer <domen@coderock.org>
Douglas Gilbert <dougg@torque.net>
Ed L. Cashin <ecashin@coraid.com>
Erik Kaneda <erik.kaneda@intel.com> <erik.schmauss@intel.com>
Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Felipe W Damasio <felipewd@terra.com.br>
Felix Kuhling <fxkuehl@gmx.de>

62
Documentation/admin-guide/acpi/fan_performance_states.rst Normal file
View File

@ -0,0 +1,62 @@
.. SPDX-License-Identifier: GPL-2.0
===========================
ACPI Fan Performance States
===========================
When the optional _FPS object is present under an ACPI device representing a
fan (for example, PNP0C0B or INT3404), the ACPI fan driver creates additional
"state*" attributes in the sysfs directory of the ACPI device in question.
These attributes list properties of fan performance states.
For more information on _FPS refer to the ACPI specification at:
http://uefi.org/specifications
For instance, the contents of the INT3404 ACPI device sysfs directory
may look as follows::
$ ls -l /sys/bus/acpi/devices/INT3404:00/
total 0
...
-r--r--r-- 1 root root 4096 Dec 13 20:38 state0
-r--r--r-- 1 root root 4096 Dec 13 20:38 state1
-r--r--r-- 1 root root 4096 Dec 13 20:38 state10
-r--r--r-- 1 root root 4096 Dec 13 20:38 state11
-r--r--r-- 1 root root 4096 Dec 13 20:38 state2
-r--r--r-- 1 root root 4096 Dec 13 20:38 state3
-r--r--r-- 1 root root 4096 Dec 13 20:38 state4
-r--r--r-- 1 root root 4096 Dec 13 20:38 state5
-r--r--r-- 1 root root 4096 Dec 13 20:38 state6
-r--r--r-- 1 root root 4096 Dec 13 20:38 state7
-r--r--r-- 1 root root 4096 Dec 13 20:38 state8
-r--r--r-- 1 root root 4096 Dec 13 20:38 state9
-r--r--r-- 1 root root 4096 Dec 13 01:00 status
...
where each of the "state*" files represents one performance state of the fan
and contains a colon-separated list of 5 integer numbers (fields) with the
following interpretation::
control_percent:trip_point_index:speed_rpm:noise_level_mdb:power_mw
* ``control_percent``: The percent value to be used to set the fan speed to a
specific level using the _FSL object (0-100).
* ``trip_point_index``: The active cooling trip point number that corresponds
to this performance state (0-9).
* ``speed_rpm``: Speed of the fan in rotations per minute.
* ``noise_level_mdb``: Audible noise emitted by the fan in this state in
millidecibels.
* ``power_mw``: Power draw of the fan in this state in milliwatts.
For example::
$cat /sys/bus/acpi/devices/INT3404:00/state1
25:0:3200:12500:1250
When a given field is not populated or its value provided by the platform
firmware is invalid, the "not-defined" string is shown instead of the value.

1
Documentation/admin-guide/acpi/index.rst
View File

@ -12,3 +12,4 @@ the Linux ACPI support.
dsdt-override
ssdt-overlays
cppc_sysfs
fan_performance_states

16
Documentation/firmware-guide/acpi/enumeration.rst
View File

@ -71,8 +71,8 @@ DMA support
DMA controllers enumerated via ACPI should be registered in the system to
provide generic access to their resources. For example, a driver that would
like to be accessible to slave devices via generic API call
dma_request_slave_channel() must register itself at the end of the probe
function like this::
dma_request_chan() must register itself at the end of the probe function like
this::
err = devm_acpi_dma_controller_register(dev, xlate_func, dw);
/* Handle the error if it's not a case of !CONFIG_ACPI */
@ -112,15 +112,15 @@ could look like::
}
#endif
dma_request_slave_channel() will call xlate_func() for each registered DMA
controller. In the xlate function the proper channel must be chosen based on
dma_request_chan() will call xlate_func() for each registered DMA controller.
In the xlate function the proper channel must be chosen based on
information in struct acpi_dma_spec and the properties of the controller
provided by struct acpi_dma.
Clients must call dma_request_slave_channel() with the string parameter that
corresponds to a specific FixedDMA resource. By default "tx" means the first
entry of the FixedDMA resource array, "rx" means the second entry. The table
below shows a layout::
Clients must call dma_request_chan() with the string parameter that corresponds
to a specific FixedDMA resource. By default "tx" means the first entry of the
FixedDMA resource array, "rx" means the second entry. The table below shows a
layout::
Device (I2C0)
{

2
MAINTAINERS
View File

@ -345,7 +345,7 @@ F: drivers/acpi/apei/
ACPI COMPONENT ARCHITECTURE (ACPICA)
M: Robert Moore <robert.moore@intel.com>
M: Erik Schmauss <erik.schmauss@intel.com>
M: Erik Kaneda <erik.kaneda@intel.com>
M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
L: linux-acpi@vger.kernel.org
L: devel@acpica.org

2
drivers/acpi/acpi_video.c
View File

@ -2187,7 +2187,7 @@ int acpi_video_register(void)
if (register_count) {
/*
* if the function of acpi_video_register is already called,
* don't register the acpi_vide_bus again and return no error.
* don't register the acpi_video_bus again and return no error.
*/
goto leave;
}

4
drivers/acpi/acpica/acapps.h
View File

@ -3,7 +3,7 @@
*
* Module Name: acapps - common include for ACPI applications/tools
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@ -17,7 +17,7 @@
/* Common info for tool signons */
#define ACPICA_NAME "Intel ACPI Component Architecture"
#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2019 Intel Corporation"
#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2020 Intel Corporation"
#if ACPI_MACHINE_WIDTH == 64
#define ACPI_WIDTH " (64-bit version)"

2
drivers/acpi/acpica/accommon.h
View File

@ -3,7 +3,7 @@
*
* Name: accommon.h - Common include files for generation of ACPICA source
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acconvert.h
View File

@ -3,7 +3,7 @@
*
* Module Name: acapps - common include for ACPI applications/tools
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acdebug.h
View File

@ -3,7 +3,7 @@
*
* Name: acdebug.h - ACPI/AML debugger
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acdispat.h
View File

@ -3,7 +3,7 @@
*
* Name: acdispat.h - dispatcher (parser to interpreter interface)
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acevents.h
View File

@ -3,7 +3,7 @@
*
* Name: acevents.h - Event subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acglobal.h
View File

@ -3,7 +3,7 @@
*
* Name: acglobal.h - Declarations for global variables
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/achware.h
View File

@ -3,7 +3,7 @@
*
* Name: achware.h -- hardware specific interfaces
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acinterp.h
View File

@ -3,7 +3,7 @@
*
* Name: acinterp.h - Interpreter subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/aclocal.h
View File

@ -3,7 +3,7 @@
*
* Name: aclocal.h - Internal data types used across the ACPI subsystem
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acmacros.h
View File

@ -3,7 +3,7 @@
*
* Name: acmacros.h - C macros for the entire subsystem.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acnamesp.h
View File

@ -3,7 +3,7 @@
*
* Name: acnamesp.h - Namespace subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

5
drivers/acpi/acpica/acobject.h
View File

@ -3,7 +3,7 @@
*
* Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@ -260,7 +260,8 @@ struct acpi_object_index_field {
/* The buffer_field is different in that it is part of a Buffer, not an op_region */
struct acpi_object_buffer_field {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *buffer_obj; /* Containing Buffer object */
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO u8 is_create_field; /* Special case for objects created by create_field() */
union acpi_operand_object *buffer_obj; /* Containing Buffer object */
};
/******************************************************************************

2
drivers/acpi/acpica/acopcode.h
View File

@ -3,7 +3,7 @@
*
* Name: acopcode.h - AML opcode information for the AML parser and interpreter
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acparser.h
View File

@ -3,7 +3,7 @@
*
* Module Name: acparser.h - AML Parser subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acpredef.h
View File

@ -3,7 +3,7 @@
*
* Name: acpredef - Information table for ACPI predefined methods and objects
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acresrc.h
View File

@ -3,7 +3,7 @@
*
* Name: acresrc.h - Resource Manager function prototypes
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acstruct.h
View File

@ -3,7 +3,7 @@
*
* Name: acstruct.h - Internal structs
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/actables.h
View File

@ -3,7 +3,7 @@
*
* Name: actables.h - ACPI table management
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/acutils.h
View File

@ -3,7 +3,7 @@
*
* Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/amlcode.h
View File

@ -5,7 +5,7 @@
* Declarations and definitions contained herein are derived
* directly from the ACPI specification.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/amlresrc.h
View File

@ -3,7 +3,7 @@
*
* Module Name: amlresrc.h - AML resource descriptors
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dbhistry.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dbhistry - debugger HISTORY command
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dbinput.c
View File

@ -816,7 +816,7 @@ acpi_db_command_dispatch(char *input_buffer,
if (ACPI_FAILURE(status)
|| temp64 >= ACPI_NUM_PREDEFINED_REGIONS) {
acpi_os_printf
("Invalid adress space ID: must be between 0 and %u inclusive\n",
("Invalid address space ID: must be between 0 and %u inclusive\n",
ACPI_NUM_PREDEFINED_REGIONS - 1);
return (AE_OK);
}

2
drivers/acpi/acpica/dsargs.c
View File

@ -4,7 +4,7 @@
* Module Name: dsargs - Support for execution of dynamic arguments for static
* objects (regions, fields, buffer fields, etc.)
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dscontrol.c
View File

@ -4,7 +4,7 @@
* Module Name: dscontrol - Support for execution control opcodes -
* if/else/while/return
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dsdebug.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dsdebug - Parser/Interpreter interface - debugging
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

4
drivers/acpi/acpica/dsfield.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dsfield - Dispatcher field routines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@ -243,7 +243,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
* FUNCTION: acpi_ds_get_field_names
*
* PARAMETERS: info - create_field info structure
* ` walk_state - Current method state
* walk_state - Current method state
* arg - First parser arg for the field name list
*
* RETURN: Status

2
drivers/acpi/acpica/dsinit.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dsinit - Object initialization namespace walk
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dsmethod.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dsmethod - Parser/Interpreter interface - control method parsing
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dsobject.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dsobject - Dispatcher object management routines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

4
drivers/acpi/acpica/dsopcode.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dsopcode - Dispatcher support for regions and fields
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@ -217,6 +217,8 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
}
obj_desc->buffer_field.buffer_obj = buffer_desc;
obj_desc->buffer_field.is_create_field =
aml_opcode == AML_CREATE_FIELD_OP;
/* Reference count for buffer_desc inherits obj_desc count */

2
drivers/acpi/acpica/dspkginit.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dspkginit - Completion of deferred package initialization
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dswexec.c
View File

@ -4,7 +4,7 @@
* Module Name: dswexec - Dispatcher method execution callbacks;
* dispatch to interpreter.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

23
drivers/acpi/acpica/dswload.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dswload - Dispatcher first pass namespace load callbacks
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@ -410,6 +410,27 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
walk_state));
/*
* Disassembler: handle create field operators here.
*
* create_buffer_field is a deferred op that is typically processed in load
* pass 2. However, disassembly of control method contents walk the parse
* tree with ACPI_PARSE_LOAD_PASS1 and AML_CREATE operators are processed
* in a later walk. This is a problem when there is a control method that
* has the same name as the AML_CREATE object. In this case, any use of the
* name segment will be detected as a method call rather than a reference
* to a buffer field.
*
* This earlier creation during disassembly solves this issue by inserting
* the named object in the ACPI namespace so that references to this name
* would be a name string rather than a method call.
*/
if ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) &&
(walk_state->op_info->flags & AML_CREATE)) {
status = acpi_ds_create_buffer_field(op, walk_state);
return_ACPI_STATUS(status);
}
/* We are only interested in opcodes that have an associated name */
if (!(walk_state->op_info->flags & (AML_NAMED | AML_FIELD))) {

2
drivers/acpi/acpica/dswload2.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dswload2 - Dispatcher second pass namespace load callbacks
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dswscope.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dswscope - Scope stack manipulation
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/dswstate.c
View File

@ -3,7 +3,7 @@
*
* Module Name: dswstate - Dispatcher parse tree walk management routines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evevent.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evevent - Fixed Event handling and dispatch
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evglock.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evglock - Global Lock support
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evgpe.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evgpe - General Purpose Event handling and dispatch
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evgpeblk.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evgpeblk - GPE block creation and initialization.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evgpeinit.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evgpeinit - System GPE initialization and update
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evgpeutil.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evgpeutil - GPE utilities
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evhandler.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evhandler - Support for Address Space handlers
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evmisc.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evmisc - Miscellaneous event manager support functions
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evregion.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evregion - Operation Region support
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evrgnini.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evrgnini- ACPI address_space (op_region) init
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evxface.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evxface - External interfaces for ACPI events
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evxfevnt.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evxfevnt - External Interfaces, ACPI event disable/enable
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evxfgpe.c
View File

@ -3,7 +3,7 @@
*
* Module Name: evxfgpe - External Interfaces for General Purpose Events (GPEs)
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/evxfregn.c
View File

@ -4,7 +4,7 @@
* Module Name: evxfregn - External Interfaces, ACPI Operation Regions and
* Address Spaces.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exconcat.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exconcat - Concatenate-type AML operators
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exconfig.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exconvrt.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exconvrt - Object conversion routines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/excreate.c
View File

@ -3,7 +3,7 @@
*
* Module Name: excreate - Named object creation
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exdebug.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exdebug - Support for stores to the AML Debug Object
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exdump.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exdump - Interpreter debug output routines
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

12
drivers/acpi/acpica/exfield.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exfield - AML execution - field_unit read/write
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@ -96,7 +96,8 @@ acpi_ex_get_protocol_buffer_length(u32 protocol_id, u32 *return_length)
* RETURN: Status
*
* DESCRIPTION: Read from a named field. Returns either an Integer or a
* Buffer, depending on the size of the field.
* Buffer, depending on the size of the field and whether if a
* field is created by the create_field() operator.
*
******************************************************************************/
@ -154,12 +155,17 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
* the use of arithmetic operators on the returned value if the
* field size is equal or smaller than an Integer.
*
* However, all buffer fields created by create_field operator needs to
* remain as a buffer to match other AML interpreter implementations.
*
* Note: Field.length is in bits.
*/
buffer_length =
(acpi_size)ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
if (buffer_length > acpi_gbl_integer_byte_width) {
if (buffer_length > acpi_gbl_integer_byte_width ||
(obj_desc->common.type == ACPI_TYPE_BUFFER_FIELD &&
obj_desc->buffer_field.is_create_field)) {
/* Field is too large for an Integer, create a Buffer instead */

2
drivers/acpi/acpica/exfldio.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exfldio - Aml Field I/O
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exmisc.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exmutex.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exmutex - ASL Mutex Acquire/Release functions
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exnames.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exnames - interpreter/scanner name load/execute
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exoparg1.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exoparg1 - AML execution - opcodes with 1 argument
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exoparg2.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exoparg2 - AML execution - opcodes with 2 arguments
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exoparg3.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exoparg3 - AML execution - opcodes with 3 arguments
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exoparg6.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exoparg6 - AML execution - opcodes with 6 arguments
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exprep.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exprep - ACPI AML field prep utilities
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exregion.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exregion - ACPI default op_region (address space) handlers
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exresnte.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exresnte - AML Interpreter object resolution
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exresolv.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exresolv - AML Interpreter object resolution
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exresop.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exresop - AML Interpreter operand/object resolution
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exserial.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exserial - field_unit support for serial address spaces
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exstore.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exstore - AML Interpreter object store support
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exstoren.c
View File

@ -4,7 +4,7 @@
* Module Name: exstoren - AML Interpreter object store support,
* Store to Node (namespace object)
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exstorob.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exstorob - AML object store support, store to object
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exsystem.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exsystem - Interface to OS services
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/extrace.c
View File

@ -3,7 +3,7 @@
*
* Module Name: extrace - Support for interpreter execution tracing
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/exutils.c
View File

@ -3,7 +3,7 @@
*
* Module Name: exutils - interpreter/scanner utilities
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwacpi.c
View File

@ -3,7 +3,7 @@
*
* Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwesleep.c
View File

@ -4,7 +4,7 @@
* Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the
* extended FADT-V5 sleep registers.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwgpe.c
View File

@ -3,7 +3,7 @@
*
* Module Name: hwgpe - Low level GPE enable/disable/clear functions
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwsleep.c
View File

@ -4,7 +4,7 @@
* Name: hwsleep.c - ACPI Hardware Sleep/Wake Support functions for the
* original/legacy sleep/PM registers.
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwtimer.c
View File

@ -3,7 +3,7 @@
*
* Name: hwtimer.c - ACPI Power Management Timer Interface
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwvalid.c
View File

@ -3,7 +3,7 @@
*
* Module Name: hwvalid - I/O request validation
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwxface.c
View File

@ -3,7 +3,7 @@
*
* Module Name: hwxface - Public ACPICA hardware interfaces
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/hwxfsleep.c
View File

@ -3,7 +3,7 @@
*
* Name: hwxfsleep.c - ACPI Hardware Sleep/Wake External Interfaces
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsarguments.c
View File

@ -3,7 +3,7 @@
*
* Module Name: nsarguments - Validation of args for ACPI predefined methods
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsconvert.c
View File

@ -4,7 +4,7 @@
* Module Name: nsconvert - Object conversions for objects returned by
* predefined methods
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsdump.c
View File

@ -3,7 +3,7 @@
*
* Module Name: nsdump - table dumping routines for debug
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsdumpdv.c
View File

@ -3,7 +3,7 @@
*
* Module Name: nsdump - table dumping routines for debug
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsinit.c
View File

@ -3,7 +3,7 @@
*
* Module Name: nsinit - namespace initialization
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsload.c
View File

@ -3,7 +3,7 @@
*
* Module Name: nsload - namespace loading/expanding/contracting procedures
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

2
drivers/acpi/acpica/nsparse.c
View File

@ -3,7 +3,7 @@
*
* Module Name: nsparse - namespace interface to AML parser
*
* Copyright (C) 2000 - 2019, Intel Corp.
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/

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