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- Microsoft Surface devices System Aggregator Module support - SW_TABLET_MODE reporting improvements - thinkpad_acpi keyboard language setting support - platform / DPTF profile settings support - Base / userspace API parts merged from Rafael's acpi-platform branch - thinkpad_acpi and ideapad-laptop support through pdx86 - Remove support for some obsolete Intel MID platforms through merging of the shared intel-mid-removal branch - Big cleanup of the ideapad-laptop driver - Misc. other fixes / new hw support / quirks The following is an automated git shortlog grouped by driver: ACPI: - platform-profile: Fix possible deadlock in platform_profile_remove() - platform-profile: Introduce object pointers to callbacks - platform-profile: Drop const qualifier for cur_profile - platform: Add platform profile support Documentation: - Add documentation for new platform_profile sysfs attribute Documentation/ABI: - sysfs-platform-ideapad-laptop: conservation_mode attribute - sysfs-platform-ideapad-laptop: update device attribute paths Kconfig: - add missing selects for ideapad-laptop MAINTAINERS: - update email address for Henrique de Moraes Holschuh Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans: - Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans: - Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next: - Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next Move all dell drivers to their own subdirectory: - Move all dell drivers to their own subdirectory Platform: - OLPC: Constify static struct regulator_ops - OLPC: Specify the enable time - OLPC: Remove dcon_rdev from olpc_ec_priv - OLPC: Fix probe error handling Revert "platform/x86: - ideapad-laptop: Switch touchpad attribute to be RO" acer-wmi: - Don't use ACPI_EXCEPTION() amd-pmc: - put device on error paths - Fix CONFIG_DEBUG_FS check dell-wmi-sysman: - fix a NULL pointer dereference docs: - driver-api: Add Surface Aggregator subsystem documentation drm/gma500: - Get rid of duplicate NULL checks - Convert to use new SCU IPC API gpio: - msic: Remove driver for deprecated platform - intel-mid: Remove driver for deprecated platform hp-wmi: - Disable tablet-mode reporting by default - Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors i2c-multi-instantiate: - Don't create platform device for INT3515 ACPI nodes ideapad-laptop: - add "always on USB charging" control support - add keyboard backlight control support - send notification about touchpad state change to sysfs - fix checkpatch warnings, more consistent style - change 'cfg' debugfs file format - change 'status' debugfs file format - check for touchpad support in _CFG - check for Fn-lock support in HALS - rework is_visible() logic - rework and create new ACPI helpers - group and separate (un)related constants into enums - misc. device attribute changes - always propagate error codes from device attributes' show() callback - convert ACPI helpers to return -EIO in case of failure - use dev_{err,warn} or appropriate variant to display log messages - use msecs_to_jiffies() helper instead of hand-crafted formula - use for_each_set_bit() helper to simplify event processing - use kobj_to_dev() - use device_{add,remove}_group - use sysfs_emit() - add missing call to submodule destructor - sort includes lexicographically - use appropriately typed variable to store the return value of ACPI methods - remove unnecessary NULL checks - remove unnecessary dev_set_drvdata() call - DYTC Platform profile support - Disable touchpad_switch for ELAN0634 intel-vbtn: - Eval VBDL after registering our notifier - Add alternative method to enable switches - Create 2 separate input-devs for buttons and switches - Rework wakeup handling in notify_handler() - Drop HP Stream x360 Convertible PC 11 from allow-list - Support for tablet mode on Dell Inspiron 7352 intel_mid_powerbtn: - Remove driver for deprecated platform - Remove driver for deprecated platform intel_mid_thermal: - Remove driver for deprecated platform - Remove driver for deprecated platform intel_pmt: - Make INTEL_PMT_CLASS non-user-selectable intel_pmt_crashlog: - Add dependency on MFD_INTEL_PMT intel_pmt_telemetry: - Add dependency on MFD_INTEL_PMT intel_scu_ipc: - Increase virtual timeout from 3 to 5 seconds intel_scu_wdt: - Drop mistakenly added const - Get rid of custom x86 model comparison - Drop SCU notification - Move driver from arch/x86 msi-wmi: - Fix variable 'status' set but not used compiler warning platform/surface: - aggregator: Fix access of unaligned value - Add Surface Hot-Plug driver - surface3-wmi: Fix variable 'status' set but not used compiler warning - aggregator: Fix braces in if condition with unlikely() macro - aggregator: Fix kernel-doc references - aggregator: fix a kernel-doc markup - aggregator_cdev: Add comments regarding unchecked allocation size - aggregator_cdev: Fix access of uninitialized variables - fix potential integer overflow on shift of a int - Add Surface ACPI Notify driver - Add Surface Aggregator user-space interface - aggregator: Add dedicated bus and device type - aggregator: Add error injection capabilities - aggregator: Add trace points - aggregator: Add event item allocation caching - aggregator: Add control packet allocation caching - Add Surface Aggregator subsystem - SURFACE_PLATFORMS should depend on ACPI - surface_gpe: Fix non-PM_SLEEP build warnings platform/x86/intel-uncore-freq: - Add Sapphire Rapids server support rtc: - mrst: Remove driver for deprecated platform sony-laptop: - Remove unneeded semicolon thinkpad_acpi: - Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on - Fix 'warning: no previous prototype for' warnings - Add platform profile support - fixed warning and incorporated review comments - rectify length of title underline - Don't register keyboard_lang unnecessarily - set keyboard language - Add P53/73 firmware to fan_quirk_table for dual fan control - correct palmsensor error checking tools/power/x86/intel-speed-select: - Update version to 1.8 - Add new command to get/set TRL - Add new command turbo-mode - Set higher of cpuinfo_max_freq or base_frequency - Set scaling_max_freq to base_frequency touchscreen_dmi: - Add info for the Jumper EZpad 7 tablet - Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet watchdog: - intel-mid_wdt: Postpone IRQ handler registration till SCU is ready - intel_scu_watchdog: Remove driver for deprecated platform -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmAqZ5cUHGhkZWdvZWRl QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9zmuwf/XLoZzs6oW7Ps9DhkyU5lk7D79rti DY4AabVnWZhJ+Yl5+qMCTjC0R0nJYoq9PCDU5q20HHSFq7PXV0fPEVo7ZOp8tPng wdzb2glbtGjSWksjj3c8eB/jjPP0tpsWptH+9jlTv9yXwQNVh/rPVltmD+z8y69U qNzySltQMtoKmQKNbktUeHA12jBldnH+QlkL8KUp5ZEVDd7gukkmAovpzEcnwk5U lrza7I52c9Ggu1pD2OCX7an9tk6N7mQ6Rk2/c6GzRsOYa6SC5Aj7fi2bs0LRdGGx Kz/gtKS3dRIreEs4LGmL8byVi7a/YvCQoTfO+MxKq/btedBwxO2edDDsRg== =B+Fz -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver updates from Hans de Goede: "Highlights: - Microsoft Surface devices System Aggregator Module support - SW_TABLET_MODE reporting improvements - thinkpad_acpi keyboard language setting support - platform / DPTF profile settings support: - Base / userspace API parts merged from Rafael's acpi-platform branch - thinkpad_acpi and ideapad-laptop support through pdx86 - Remove support for some obsolete Intel MID platforms through merging of the shared intel-mid-removal branch - Big cleanup of the ideapad-laptop driver - Misc other fixes / new hw support / quirks" * tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (99 commits) platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds platform/surface: aggregator: Fix access of unaligned value tools/power/x86/intel-speed-select: Update version to 1.8 tools/power/x86/intel-speed-select: Add new command to get/set TRL tools/power/x86/intel-speed-select: Add new command turbo-mode Platform: OLPC: Constify static struct regulator_ops platform/surface: Add Surface Hot-Plug driver platform/x86: intel_scu_wdt: Drop mistakenly added const platform/x86: Kconfig: add missing selects for ideapad-laptop platform/x86: acer-wmi: Don't use ACPI_EXCEPTION() platform/x86: thinkpad_acpi: Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on platform/x86: thinkpad_acpi: Fix 'warning: no previous prototype for' warnings platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning platform/surface: surface3-wmi: Fix variable 'status' set but not used compiler warning platform/x86: Move all dell drivers to their own subdirectory Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths platform/x86: ideapad-laptop: add "always on USB charging" control support platform/x86: ideapad-laptop: add keyboard backlight control support platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs ... |
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This directory attempts to document the ABI between the Linux kernel and userspace, and the relative stability of these interfaces. Due to the everchanging nature of Linux, and the differing maturity levels, these interfaces should be used by userspace programs in different ways. We have four different levels of ABI stability, as shown by the four different subdirectories in this location. Interfaces may change levels of stability according to the rules described below. The different levels of stability are: stable/ This directory documents the interfaces that the developer has defined to be stable. Userspace programs are free to use these interfaces with no restrictions, and backward compatibility for them will be guaranteed for at least 2 years. Most interfaces (like syscalls) are expected to never change and always be available. testing/ This directory documents interfaces that are felt to be stable, as the main development of this interface has been completed. The interface can be changed to add new features, but the current interface will not break by doing this, unless grave errors or security problems are found in them. Userspace programs can start to rely on these interfaces, but they must be aware of changes that can occur before these interfaces move to be marked stable. Programs that use these interfaces are strongly encouraged to add their name to the description of these interfaces, so that the kernel developers can easily notify them if any changes occur (see the description of the layout of the files below for details on how to do this.) obsolete/ This directory documents interfaces that are still remaining in the kernel, but are marked to be removed at some later point in time. The description of the interface will document the reason why it is obsolete and when it can be expected to be removed. removed/ This directory contains a list of the old interfaces that have been removed from the kernel. Every file in these directories will contain the following information: What: Short description of the interface Date: Date created KernelVersion: Kernel version this feature first showed up in. Contact: Primary contact for this interface (may be a mailing list) Description: Long description of the interface and how to use it. Users: All users of this interface who wish to be notified when it changes. This is very important for interfaces in the "testing" stage, so that kernel developers can work with userspace developers to ensure that things do not break in ways that are unacceptable. It is also important to get feedback for these interfaces to make sure they are working in a proper way and do not need to be changed further. Note: The fields should be use a simple notation, compatible with ReST markup. Also, the file **should not** have a top-level index, like:: === foo === How things move between levels: Interfaces in stable may move to obsolete, as long as the proper notification is given. Interfaces may be removed from obsolete and the kernel as long as the documented amount of time has gone by. Interfaces in the testing state can move to the stable state when the developers feel they are finished. They cannot be removed from the kernel tree without going through the obsolete state first. It's up to the developer to place their interfaces in the category they wish for it to start out in. Notable bits of non-ABI, which should not under any circumstances be considered stable: - Kconfig. Userspace should not rely on the presence or absence of any particular Kconfig symbol, in /proc/config.gz, in the copy of .config commonly installed to /boot, or in any invocation of the kernel build process. - Kernel-internal symbols. Do not rely on the presence, absence, location, or type of any kernel symbol, either in System.map files or the kernel binary itself. See Documentation/process/stable-api-nonsense.rst.