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- 13 Aug, 2016 1 commit
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Lv Zheng authored
ACPICA commit 23a417ca406a527e7ae1710893e59a8b6db30e14 There is a facility in Linux, developers can control the enabling/disabling of a GPE via /sys/firmware/acpi/interrupts/gpexx. This is mainly for debugging purposes. But many users expect to use this facility to implement quirks to mask a specific GPE when there is a gap in Linux causing this GPE to flood. This is not working correctly because currently this facility invokes enabling/disabling counting based GPE driver APIs: acpi_enable_gpe()/acpi_disable_gpe() and the GPE drivers can still affect the count to mess up the GPE masking purposes. However, most of the IRQ chip designs allow masking/unmasking IRQs via a masking bit which is different from the enabled bit to achieve the same purpose. But the GPE hardware doesn't contain such a feature, this brings the trouble. In this patch, we introduce a software mechanism to implement the GPE masking feature, and acpi_mask_gpe() are provided to the OSPMs to mask/unmask GPEs in the above mentioned situation instead of acpi_enable_gpe()/acpi_disable_gpe(). ACPICA BZ 1102. Lv Zheng. Link: https://github.com/acpica/acpica/commit/23a417ca Link: https://bugs.acpica.org/show_bug.cgi?id=1102Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 05 May, 2016 1 commit
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Lv Zheng authored
ACPICA commit b2294cae776f5a66a7697414b21949d307e6856f This patch removes unwanted spaces for typedef. This solution doesn't cover function types. Note that the linuxize result of this commit is very giant and should have many conflicts against the current Linux upstream. Thus it is required to modify the linuxize result of this commit and the commits around it manually in order to have them merged to the Linux upstream. Since this is very costy, we should do this only once, and if we can't ensure to do this only once, we need to revert the Linux code to the wrong indentation result before merging the linuxize result of this commit. Lv Zheng. Link: https://github.com/acpica/acpica/commit/b2294caeSigned-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 05 Apr, 2016 1 commit
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Lv Zheng authored
ACPICA commit c508f8592efaa0d8197f26d7fee6382c5ac8e383 Current code flow cannot ensure _REG association can happen after the namespace is initialized, so we move _REG association to where _REG was about to run to fix this issue. This issue is detected when acpi_ev_initialize_region() is invoked during the table loading. And this is one of the most important the root cause why ACPICA table loading is split into 2 load passes. Lv Zheng. Link: https://github.com/acpica/acpica/commit/c508f859 Link: https://bugs.acpica.org/show_bug.cgi?id=1252Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 15 Jan, 2016 1 commit
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Bob Moore authored
All tool/utility signons. Dual-license module header. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 01 Jan, 2016 3 commits
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Lv Zheng authored
ACPICA commit 1cf1a1e090f61f0c27f1dcf1905c7cc79a9c51c8 It is likely that we should synchronously invoke _REG(DISCONNECT) only when the acpi_remove_address_space_handler() is invoked because of dependencies. If it is invoked when the object is not referenced, problem may occur if the operation region fields accessed in _REG are no longer driven by any device driver. Noticed that _REG(CONNECT)/_REG(DISCONNECT) only mean to inform the AML of the handler availability, no return value is required for the caller. This patch only introduces ACPI_REG_DISCONNECT invaocation, but doesn't introduce a real change. Lv Zheng. Link: https://github.com/acpica/acpica/commit/1cf1a1e0Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
ACPICA commit 87c85610250ff7141a84507f68dbc1e00f2936db This patch introduces a new region initialization function acpi_ev_associate_reg_method(), which is invoked to associate the _REG method to its related region object. Region object's default value assignments are also sorted by cleaning up the code using this new function. Lv Zheng. Link: https://github.com/acpica/acpica/commit/87c85610Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
ACPICA commit b916a0a0ae9e81db1a85523c63ec6aa32d5c70c8 There are code fragments that can be substituted by acpi_ev_find_region_handler(). This patch cleans up these code fragments. Lv Zheng. Link: https://github.com/acpica/acpica/commit/b916a0a0Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 05 Feb, 2015 2 commits
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David E. Box authored
ACPICA commit 8990e73ab2aa15d6a0068b860ab54feff25bee36 Link: https://github.com/acpica/acpica/commit/8990e73aSigned-off-by: David E. Box <david.e.box@linux.intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored
ACPICA commit 8823b44ff53859ab24ecfcfd3fba8cc56b17d223 Currently we rely on the logic that GPE blocks will never be deleted, otherwise we can be broken by the race between acpi_ev_create_gpe_block(), acpi_ev_delete_gpe_block() and acpi_ev_gpe_detect(). On the other hand, if we want to protect GPE block creation/deletion, we need to use a different synchronization facility to protect the period between acpi_ev_gpe_dispatch() and acpi_ev_asynch_enable_gpe(). Which leaves us no choice but abandoning the ACPI_MTX_EVENTS used during this period. This patch removes ACPI_MTX_EVENTS used during this period and the acpi_ev_valid_gpe_event() to reflect current restriction. Lv Zheng. Link: https://github.com/acpica/acpica/commit/8823b44fSigned-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: David E. Box <david.e.box@linux.intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 06 May, 2014 1 commit
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Bob Moore authored
1) Eliminate most use of GAS structs, since they are not needed for GPEs. 2) Allow raw GPE numbers > 255. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 18 Mar, 2014 1 commit
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Robert Moore authored
This reverts commit aae576e5faefa8ba70647efa320d4747b6375f1e. Push and Pop are not portable "enough", and caused problems for some ACPICA customers. Signed-off-by: Robert Moore <Robert.Moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 26 Feb, 2014 1 commit
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Bob Moore authored
Use push and pop to both guarantee that the correct alignment is used, and to restore the alignment to whatever it was before the header was included. It is reported that the #pragma pack(push/pop) directives are not supported by the specific GCCs, but this patch still doesn't affect kernel build as there are already #pragma pack([1]) directives used in the old ACPICA headers, which means there shouldn't be GCCs that are currently used to compile the ACPI kernels do not support #pragma pack() directives. References: https://bugs.acpica.org/show_bug.cgi?id=1058Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 10 Feb, 2014 1 commit
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Bob Moore authored
Update ACPICA copyrights to 2014. Includes all source headers and signons for the various tools. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 08 Jan, 2014 2 commits
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Lv Zheng authored
This patch reflects the improvment of a cleanup step which is performed in the release process. There are still spaces in the "linuxized" ACPICA files after special macro invocations. This is because indent treats comments and pre-processor directives as spaces, thus we need to skip them. Before applying this patch, cleanup code will search from keyword back to end of line and wipe spaces between them. After applying this patch, cleanup code will search to the end of the macro invocations, skip "empty lines", "comments" and "pre-processor directives", then wipe the spaces between the new line and the first non-spaces characters. Following improvements are thus achieved in the release automation by this commit which are originally maintained manually: - acpi_status acpi_ev_remove_global_lock_handler(void); +acpi_status acpi_ev_remove_global_lock_handler(void); - acpi_status +acpi_status acpi_ev_match_gpe_method(acpi_handle obj_handle, - acpi_status acpi_subsystem_status(void); +acpi_status acpi_subsystem_status(void); - acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type, +acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type, - acpi_status +acpi_status acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout); - acpi_status +acpi_status acpi_get_sleep_type_data(u8 sleep_state, u8 *slp_typ_a, u8 *slp_typ_b); - acpi_status acpi_leave_sleep_state_prep(u8 sleep_state); +acpi_status acpi_leave_sleep_state_prep(u8 sleep_state); Some empty lines are restored by this commit due to the change of the removal implementation. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Bob Moore authored
1) Return an actual status value from acpi_ev_get_gpe_xrupt_block. 2) Don't clobber the status when exiting acpi_ev_install_gpe_block. References: https://bugs.acpica.org/show_bug.cgi?id=1019Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 31 Oct, 2013 1 commit
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Lv Zheng authored
During the automatic translation of the upstream ACPICA source code into Linux kernel source code some extra white spaces are added by the "indent" program at the beginning of each line which is an invocation of a macro and there is no ";" at the end of the line. For this reason, a new mode has been added to the translation scripts to remove the extra spaces inserted before invoking such macros and add an empty line between the invocations of such macros (like the other function declarations). This new mode is executed after executing "indent" during the Linux release process. Consequently, some existing ACPICA source code in the Linux kernel tree needs to be adjusted to allow the new scripts to work correctly. The affected macros and files are: 1. ACPI_HW_DEPENDENT_RETURN (acpixf.h/acdebug.h/acevents.h): This macro is used as a wrapper for hardware dependent APIs to offer a stub when the reduced hardware is configured during compilation. 2. ACPI_EXPORT_SYMBOL (utglobal.c): This macro is used by Linux to export symbols to be found by Linux modules. All such invocations are well formatted except those exported as global variables. This can help to reduce the source code differences between Linux and upstream ACPICA, and also help to automate the release process. No functional or binary generation changes should result from it. Lv Zheng. [rjw: Changelog] Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 23 Sep, 2013 1 commit
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Lv Zheng authored
This change adds support to allow hosts to install System Control Interrupt handlers. Certain ACPI functionality requires the host to handle raw SCIs. For example, the "SCI Doorbell" that is defined for memory power state support requires the host device driver to handle SCIs to examine if the doorbell has been activated. Multiple SCI handlers can be installed to allow for future expansion. Debugger support is included. Lv Zheng, Bob Moore. ACPICA BZ 1032. Bug summary: It is reported when the PCC (Platform Communication Channel, via MPST table, defined in ACPI specification 5.0) subchannel responds to the host, it issues an SCI and the host must probe the subchannel for channel status. Buglink: http://bugs.acpica.org/show_bug.cgi?id=1032Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 25 Jan, 2013 1 commit
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Bob Moore authored
Includes all source headers and signons for the various tools. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 11 Jan, 2013 1 commit
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Bob Moore authored
Created logical splits for eight new files. Improves modularity and configurability. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 14 Nov, 2012 1 commit
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Lv Zheng authored
New version of "indent" program will generate different outputs that will lead to the divergences between the Linux and the ACPICA. This patch fixes such divergences caused by the "indent" program. The version of the "indent" used for this patch is "GNU indent 2.2.11". This patch will not affect the generated vmlinux binary. This will decrease 581 lines of 20120913 divergence.diff. Signed-off-by: Robert Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 17 Jul, 2012 1 commit
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Bob Moore authored
Fixes issues like this: i_aSL -> iASL 00-7_f -> 00-7F local_fADT -> local_FADT execute_oSI -> execute_OSI Also, in function headers, the parameters are now translated to lower case (with underscores if necessary.) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 22 Mar, 2012 1 commit
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Bob Moore authored
Add ACPI_REDUCED_HARDWARE flag that removes all hardware-related code (about 10% code, 5% static data). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 17 Jan, 2012 2 commits
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Bob Moore authored
Update all copyrights to 2012. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Bob Moore authored
Support within the interpreter and operation region dispatch. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 10 May, 2011 1 commit
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Bob Moore authored
These functions were moved from evmisc.c Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 19 Jan, 2011 1 commit
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Bob Moore authored
Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 12 Jan, 2011 5 commits
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Lin Ming authored
This feature provides an automatic device notification for wake devices when a wakeup GPE occurs and there is no corresponding GPE method or handler. Rather than ignoring such a GPE, an implicit AML Notify operation is performed on the parent device object. This feature is not part of the ACPI specification and is provided for Windows compatibility only. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Lin Ming authored
Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Lin Ming authored
The new GPE handler callback has 2 additional parameters, gpe_device and gpe_number. typedef u32 (*acpi_gpe_handler) (acpi_handle gpe_device, u32 gpe_number, void *context); Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Lin Ming authored
Some function and variable names are renamed to be consistent with ACPICA code base. acpi_raw_enable_gpe -> acpi_ev_add_gpe_reference acpi_raw_disable_gpe -> acpi_ev_remove_gpe_reference acpi_gpe_can_wake -> acpi_setup_gpe_for_wake acpi_gpe_wakeup -> acpi_set_gpe_wake_mask acpi_update_gpes -> acpi_update_all_gpes acpi_all_gpes_initialized -> acpi_gbl_all_gpes_initialized acpi_handler_info -> acpi_gpe_handler_info ... Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Lin Ming authored
Create a new file evxfgpe.c and move GPE specific functions to it. Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 24 Sep, 2010 1 commit
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Rafael J. Wysocki authored
The current ACPI GPEs initialization code has a problem that it enables some GPEs pointed to by device _PRW methods, generally intended for signaling wakeup events (system or device wakeup). These GPEs are then almost immediately disabled by the ACPI namespace scanning code with the help of acpi_gpe_can_wake(), but it would be better not to enable them at all until really necessary. Modify the initialization of GPEs so that the ones that have associated _Lxx or _Exx methods and are not pointed to by any _PRW methods will be enabled after the namespace scan is complete. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
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- 07 Aug, 2010 1 commit
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Rafael J. Wysocki authored
If a handler is installed for a GPE associated with an AML method and such that it cannot wake up the system from sleep states, the GPE remains enabled after the handler has been installed, although it should be disabled in that case to avoid spurious execution of the handler. Fix this issue by making acpi_install_gpe_handler() disable GPEs that were previously associated with AML methods and cannot wake up the system from sleep states. Analogously, make acpi_remove_gpe_handler() enable the GPEs that are associated with AML methods after their handlers have been removed and cannot wake up the system from sleep states. In addition to that, fix a code ordering issue in acpi_remove_gpe_handler() that renders the locking ineffective (ACPI_MTX_EVENTS is released temporarily in the middle of the routine to wait for the completion of events already in progress). For this purpose introduce acpi_raw_disable_gpe() and acpi_raw_enable_gpe() to be called with acpi_gbl_gpe_lock held and rework acpi_disable_gpe() and acpi_enable_gpe(), respectively, to use them. Also rework acpi_gpe_can_wake() to use acpi_raw_disable_gpe() instead of calling acpi_disable_gpe() after releasing the lock to avoid the possible theoretical race with acpi_install_gpe_handler(). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: "Moore, Robert" <robert.moore@intel.com> Cc: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 07 Jul, 2010 2 commits
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Rafael J. Wysocki authored
The GPE block initialization code in acpi_ev_initialize_gpe_block() uses acpi_set_gpe() to make sure that the GPEs with nonzero runtime counter will remain enabled, but since it already has a struct acpi_gpe_event_info object for each GPE, it might use the low-level GPE enabling function, acpi_clear_and_enable_gpe(), for this purpose. To make that happen, move acpi_clear_and_enable_gpe() to drivers/acpi/acpica/evgpe.c and rename it to acpi_ev_enable_gpe(), modify the two existing users of it accordingly and modify acpi_ev_initialize_gpe_block() to use it instead of acpi_set_gpe() and to check its return value. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Rafael J. Wysocki authored
After the previous patch that introduced acpi_gpe_wakeup() and modified the ACPI suspend and wakeup code to use it, the third argument of acpi_{enable|disable}_gpe() and the GPE wakeup reference counter are not necessary any more. Remove them and modify all of the users of acpi_{enable|disable}_gpe() accordingly. Also drop GPE type constants that aren't used any more. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 12 Jun, 2010 1 commit
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Rafael J. Wysocki authored
ACPICA uses acpi_ev_enable_gpe() for enabling GPEs at the low level, which is incorrect, because this function only enables the GPE if the corresponding bit in its enable register's enable_for_run mask is set. This causes acpi_set_gpe() to work incorrectly if used for enabling GPEs that were not previously enabled with acpi_enable_gpe(). As a result, among other things, wakeup-only GPEs are never enabled by acpi_enable_wakeup_device(), so the devices that use them are unable to wake up the system. To fix this issue remove acpi_ev_enable_gpe() and its counterpart acpi_ev_disable_gpe() and replace acpi_hw_low_disable_gpe() with acpi_hw_low_set_gpe() that will be used instead to manipulate GPE enable bits at the low level. Make the users of acpi_ev_enable_gpe() and acpi_ev_disable_gpe() call acpi_hw_low_set_gpe() instead and make sure that GPE enable masks are only updated by acpi_enable_gpe() and acpi_disable_gpe() when GPE reference counters change from 0 to 1 and from 1 to 0, respectively. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
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- 06 May, 2010 2 commits
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Bob Moore authored
Create two new files, evgpeinit.c and evgpeutil.c. Updated unix and linux makefiles. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Bob Moore authored
For all GPEs, including FADT-based and GPE Block Devices, execute any _PRW methods in the new table, and process any _Lxx/_Exx GPE methods in the new table. Any runtime GPE that is referred to by an _Lxx/_Exx method in the new table is immediately enabled. ACPICA BZ 833. http://www.acpica.org/bugzilla/show_bug.cgi?id=833Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 20 Apr, 2010 1 commit
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Lin Ming authored
We have ported Rafael's major GPE changes (ACPI: Use GPE reference counting to support shared GPEs) into ACPICA code base. But the port and Rafael's original patch have some differences, so we made below patch to make linux GPE code consistent with ACPICA code base. Most changes are about comments and coding styles. Other noticeable changes are based on: Rafael: Reduce code duplication related to GPE lookup https://patchwork.kernel.org/patch/86237/ Rafael: Always use the same lock for GPE locking https://patchwork.kernel.org/patch/90471/ A new field gpe_count in struct acpi_gpe_block_info to record the number of individual GPEs in block. Rename acpi_ev_save_method_info to acpi_ev_match_gpe_method. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Robert Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 24 Feb, 2010 1 commit
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Rafael J. Wysocki authored
To fix a bug and address the reviewers' comments regarding the ACPI GPE refcounting patch, do the following additional changes: o Remove the second argument of acpi_ev_enable_gpe(), 'write_to_hardware', because it is not necessary any more. o Add the "bad parameter" test against 'type' in acpi_enable_gpe() and acpi_disable_gpe(). o Make acpi_enable_gpe() only check 'status' for runtime GPEs if acpi_ev_enable_gpe() was actually called. o Make acpi_disable_gpe() return 'status' returned by acpi_ev_disable_gpe() and fix a bug where ACPI_GPE_TYPE_WAKE and ACPI_GPE_TYPE_RUNTIME were exchanged by mistake. o Add comments explaining why acpi_set_gpe() is used by the ACPI EC driver. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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