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Merge updates of assorted thermal control drivers for 7.4: - Add the Exynos ACPM thermal driver for Google GS101, along with DT bindings and a MAINTAINERS entry (Tudor Ambarus) - Add Renesas RZ/G3L thermal sensor support and DT bindings, and move default calibration values to per-SoC match data (Biju Das) - Add Qualcomm MSM8952 TSENS support and the corresponding DT binding compatible (Muzaffer Kadir) - Document the Qualcomm PMAU0102 Master BandGap temperature monitor compatible in the DT bindings (Dhruvin Rajpura) - Extend the QCom TSENS v2 trip temperature limits to the hardware range of -204°C to +204°C to prevent interrupt storms when operating beyond the previous software limits (Priyansh Jain) - Fix temperature threshold map indexing in the QCom SPMI temperature alarm driver to prevent out-of-bounds reads (Georgi Djakov) - Describe the additional bus clock required by the Amlogic T7 thermal sensor and switch the driver to the clk_bulk API to manage multiple clocks (Ronald Claveau) - Request the Airoha EN7581 IRQ after thermal zone registration to prevent the interrupt handler from accessing an unregistered or already freed thermal zone (Vitaliy Sochnev) - Fix the Airoha AN7583 ADC mux field mapping, serialize access to the shared ADC, and verify mux selection to avoid invalid temperature readings and spurious critical shutdowns (Vitaliy Sochnev) - Register separate thermal zones for the AN7583 bandgap, GbE and CPU sensors, and update the DT bindings to use one thermal sensor cell to select the sensor (Vitaliy Sochnev) - Fix signed integer overflow in the Renesas RZ/G3E temperature-to-code conversion, preserve compare interrupt state across runtime PM, and prevent overlapping temperature conversions (Ovidiu Panait) - Remove redundant trip window validation and runtime PM pm_runtime_mark_last_busy() calls from the Renesas RZ/G3E driver (Ovidiu Panait) - Propagate reset assertion failures from Renesas RZ/G3E suspend and attempt to restore power if the sensor was active (Pengpeng Hou) - Stop the TI bandgap alert IRQ before removing sensor interfaces and cancel pending alert work to prevent use-after-free on driver removal (Weigang He) - Validate Spreadtrum sensor IDs read from the device tree before using them for register offsets and array indexing (Weigang He) - Convert the TI OMAP bandgap DT bindings to schema and document the DRA752 compatible and thermal sensor cells (Bhargav Joshi) - Use DT property helpers matching the signed temperature and unsigned hysteresis types defined by the thermal zone bindings (Rob Herring) - Reuse common error handling code in the power allocator governor bind callback (Markus Elfring) - Constify the thermal zone device operations in the i.MX9 driver (Christophe JAILLET) - Fix kernel-doc parameter names and firmware node references in the cooling device registration helpers (Aryan Sinha) - Correct the documented return value of ti_bandgap_get_sensor_data() to describe validation errors and potentially NULL stored data (Karl Mehltretter) - Ensure NUL-termination when copying the cooling device command-line argument in tmon and fix the associated string truncation warning (Florian Fainelli) - Fix undefined behavior caused by a signed shift in the tmon thermal zone binding display (Liu Jing) - Fix wording in tmon comments (Hemanth Selam) - Simplify cpufreq_set_cur_state() in the cpufreq_cooling thermal control driver (Thorsten Blum) * thermal-drivers: (36 commits) thermal/drivers/rzg3e: Propagate reset assertion failure from suspend thermal: ti-soc-thermal: Fix the return value in ti_bandgap_get_sensor_data() kernel-doc thermal/fw: Fix kernel-doc parameter names thermal/qcom/tsens: Add support for MSM8952 tsens dt-bindings: thermal: tsens: Add MSM8952 thermal/drivers/amlogic: Switch to clk_bulk API to support multiple clocks dt-bindings: thermal: amlogic: describe bus clock for t7-thermal tools/thermal/tmon: Fix string truncation warning in optarg copy thermal/drivers/airoha: Register a thermal zone per AN7583 sensor dt-bindings: arm: airoha: Use one thermal sensor cell for AN7583 thermal/drivers/airoha: Serialise access to the shared ADC thermal/drivers/airoha: Fix AN7583 ADC mux field mapping thermal/drivers/sprd: validate the sensor id from the device tree thermal/drivers/ti-soc-thermal: Cancel pending alert work on remove thermal/drivers/qcom-spmi-temp-alarm: Fix temp_map indexing thermal: gov_power_allocator: Use common error handling code in power_allocator_bind() tools/thermal/tmon: Fix signed shift UB in binding display MAINTAINERS: Add entry for Samsung Exynos ACPM thermal driver thermal/drivers/samsung: Add Exynos ACPM TMU driver GS101 dt-bindings: thermal: Add Google GS101 TMU ... |
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| README | ||
Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start ----------- * Report a bug: See Documentation/admin-guide/reporting-issues.rst * Get the latest kernel: https://kernel.org * Build the kernel: See Documentation/admin-guide/quickly-build-trimmed-linux.rst * Join the community: https://lore.kernel.org/ Essential Documentation ----------------------- All users should be familiar with: * Building requirements: Documentation/process/changes.rst * Code of Conduct: Documentation/process/code-of-conduct.rst * License: See COPYING Documentation can be built with make htmldocs or viewed online at: https://www.kernel.org/doc/html/latest/ Who Are You? ============ Find your role below: * New Kernel Developer: Getting started with kernel development * Academic Researcher: Studying kernel internals and architecture * Security Expert: Hardening and vulnerability analysis * Backport/Maintenance Engineer: Maintaining stable kernels * System Administrator: Configuring and troubleshooting * Maintainer: Leading subsystems and reviewing patches * Hardware Vendor: Writing drivers for new hardware * Distribution Maintainer: Packaging kernels for distros * AI Coding Assistant: LLMs and AI-powered development tools For Specific Users ================== New Kernel Developer -------------------- Welcome! Start your kernel development journey here: * Getting Started: Documentation/process/development-process.rst * Your First Patch: Documentation/process/submitting-patches.rst * Coding Style: Documentation/process/coding-style.rst * Build System: Documentation/kbuild/index.rst * Development Tools: Documentation/dev-tools/index.rst * Kernel Hacking Guide: Documentation/kernel-hacking/hacking.rst * Core APIs: Documentation/core-api/index.rst Academic Researcher ------------------- Explore the kernel's architecture and internals: * Researcher Guidelines: Documentation/process/researcher-guidelines.rst * Memory Management: Documentation/mm/index.rst * Scheduler: Documentation/scheduler/index.rst * Networking Stack: Documentation/networking/index.rst * Filesystems: Documentation/filesystems/index.rst * RCU (Read-Copy Update): Documentation/RCU/index.rst * Locking Primitives: Documentation/locking/index.rst * Power Management: Documentation/power/index.rst Security Expert --------------- Security documentation and hardening guides: * Security Documentation: Documentation/security/index.rst * LSM Development: Documentation/security/lsm-development.rst * Self Protection: Documentation/security/self-protection.rst * Reporting Vulnerabilities: Documentation/process/security-bugs.rst * CVE Procedures: Documentation/process/cve.rst * Embargoed Hardware Issues: Documentation/process/embargoed-hardware-issues.rst * Security Features: Documentation/userspace-api/seccomp_filter.rst Backport/Maintenance Engineer ----------------------------- Maintain and stabilize kernel versions: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * Backporting Guide: Documentation/process/backporting.rst * Applying Patches: Documentation/process/applying-patches.rst * Subsystem Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git for Maintainers: Documentation/maintainer/configure-git.rst System Administrator -------------------- Configure, tune, and troubleshoot Linux systems: * Admin Guide: Documentation/admin-guide/index.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Sysctl Tuning: Documentation/admin-guide/sysctl/index.rst * Tracing/Debugging: Documentation/trace/index.rst * Performance Security: Documentation/admin-guide/perf-security.rst * Hardware Monitoring: Documentation/hwmon/index.rst Maintainer ---------- Lead kernel subsystems and manage contributions: * Maintainer Handbook: Documentation/maintainer/index.rst * Pull Requests: Documentation/maintainer/pull-requests.rst * Managing Patches: Documentation/maintainer/modifying-patches.rst * Rebasing and Merging: Documentation/maintainer/rebasing-and-merging.rst * Development Process: Documentation/process/maintainer-handbooks.rst * Maintainer Entry Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git Configuration: Documentation/maintainer/configure-git.rst Hardware Vendor --------------- Write drivers and support new hardware: * Driver API Guide: Documentation/driver-api/index.rst * Driver Model: Documentation/driver-api/driver-model/driver.rst * Device Drivers: Documentation/driver-api/infrastructure.rst * Bus Types: Documentation/driver-api/driver-model/bus.rst * Device Tree Bindings: Documentation/devicetree/bindings/ * Power Management: Documentation/driver-api/pm/index.rst * DMA API: Documentation/core-api/dma-api.rst Distribution Maintainer ----------------------- Package and distribute the kernel: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * ABI Documentation: Documentation/ABI/README * Kernel Configuration: Documentation/kbuild/kconfig.rst * Module Signing: Documentation/admin-guide/module-signing.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Tainted Kernels: Documentation/admin-guide/tainted-kernels.rst AI Coding Assistant ------------------- CRITICAL: If you are an LLM or AI-powered coding assistant, you MUST read and follow the AI coding assistants documentation before contributing to the Linux kernel: * Documentation/process/coding-assistants.rst This documentation contains essential requirements about licensing, attribution, and the Developer Certificate of Origin that all AI tools must comply with. Communication and Support ========================= * Mailing Lists: https://lore.kernel.org/ * IRC: #kernelnewbies on irc.oftc.net * Bugzilla: https://bugzilla.kernel.org/ * MAINTAINERS file: Lists subsystem maintainers and mailing lists * Email Clients: Documentation/process/email-clients.rst