Linus Torvalds 16e6a1a3cb Merge tag 'phy-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
 "As usual bunch of new device and driver support and updates to
  existing drivers and addition of Manivannan to help with reviews.

  New Support:
   - Mediatek MT8196 DSI PHY support
   - Renesas RZ/G3L usb2 support
   - Qualcomm SM8475 QMP USB PHY and PCIe phy, IPQ9650 QMP PCIe PHY,
     QUSB2 Phy for Shikra SoC, Hawi support for QMP PCIe phy and UFS
     PHY. Glymur QMP PCIe Multi-PHY driver and multiple link-mode
     support, ipq5210 PCIe phy support
   - Spacemit USB3/PCIe comb PHY driver

  Updates:
   - Samsung hdptx driver improvements for modernizing the register
     access and code cleanup
   - Qualcomm drop duplicate v8 DP headers, improved runtime handling
     for qmp drivers
   - Rockchip clock lane phase tuning and 2500 Mbps support and TMDS
     rate handling
   - Freescale imx8mq improvements for runtime pm, pd handling"

* tag 'phy-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (76 commits)
  MAINTAINERS: Add Manivannan Sadhasivam as the Reviewer for Generic PHY Framework
  phy: rockchip-samsung-dcphy: fix out-of-range max_register
  phy: qcom: qmp-pcie: Add QMP PCIe Multi-PHY driver
  dt-bindings: phy: qcom: Add Glymur QMP PCIe multiple link-mode PHY
  phy: rockchip: samsung-hdptx: Consistently use bitfield macros
  phy: rockchip: samsung-hdptx: Simplify GRF access with FIELD_PREP_WM16()
  phy: rockchip: samsung-hdptx: Drop restrict_rate_change handling
  phy: rockchip: samsung-hdptx: Consolidate consumer_put on error path
  phy: rockchip: samsung-hdptx: Drop TMDS rate setup workaround
  phy: rockchip: samsung-hdptx: Handle uncommitted PHY config changes
  phy: rockchip: samsung-hdptx: Fix rate recalculation for 3.2GHz FRL
  phy: rockchip: samsung-hdptx: Guard against clk rate integer underflow
  phy: rockchip: samsung-hdptx: Prevent divide-by-zero when computing clk rate
  phy: rockchip: samsung-hdptx: Fix rate recalculation for high bpc
  phy: qcom: qmp-combo: Drop qmp_v4_calibrate_dp_phy
  phy: qcom: qmp-combo: Correct pre-emphasis table for QMP v4 DP PHYs
  phy: renesas: rcar-gen3-usb2: Ignore missing VBUS regulator
  phy: qcom: qmp-pcie: Add support for SM8475 Gen3x1 PCIe0 port
  phy: qcom: qmp-pcie: Add pcs_lane1 offset to V5 offsets
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Add SM8475 QMP PHY
  ...
2026-08-24 12:19:23 -07:00

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
S
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