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Tue, 23 Apr 2019 09:31:06 -0700 (PDT) Received: from localhost.localdomain ([104.238.181.70]) by smtp.gmail.com with ESMTPSA id v1sm24364801pff.81.2019.04.23.09.30.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Apr 2019 09:31:05 -0700 (PDT) From: Changbin Du To: Jonathan Corbet Subject: [PATCH v4 05/63] Documentation: ACPI: move linuxized-acpica.txt to driver-api/acpi and convert to reST Date: Wed, 24 Apr 2019 00:28:34 +0800 Message-Id: <20190423162932.21428-6-changbin.du@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190423162932.21428-1-changbin.du@gmail.com> References: <20190423162932.21428-1-changbin.du@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Wed, 24 Apr 2019 05:41:29 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fenghua.yu@intel.com, mchehab+samsung@kernel.org, linux-doc@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, x86@kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, mingo@redhat.com, Bjorn Helgaas , tglx@linutronix.de, linuxppc-dev@lists.ozlabs.org, Changbin Du Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This converts the plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du --- Documentation/driver-api/acpi/index.rst | 1 + .../acpi/linuxized-acpica.rst} | 115 ++++++++++-------- 2 files changed, 66 insertions(+), 50 deletions(-) rename Documentation/{acpi/linuxized-acpica.txt => driver-api/acpi/linuxized-acpica.rst} (78%) diff --git a/Documentation/driver-api/acpi/index.rst b/Documentation/driver-api/acpi/index.rst index 898b0c60671a..12649947b19b 100644 --- a/Documentation/driver-api/acpi/index.rst +++ b/Documentation/driver-api/acpi/index.rst @@ -5,3 +5,4 @@ ACPI Support .. toctree:: :maxdepth: 2 + linuxized-acpica diff --git a/Documentation/acpi/linuxized-acpica.txt b/Documentation/driver-api/acpi/linuxized-acpica.rst similarity index 78% rename from Documentation/acpi/linuxized-acpica.txt rename to Documentation/driver-api/acpi/linuxized-acpica.rst index 3ad7b0dfb083..f8aaea668e41 100644 --- a/Documentation/acpi/linuxized-acpica.txt +++ b/Documentation/driver-api/acpi/linuxized-acpica.rst @@ -1,31 +1,35 @@ -Linuxized ACPICA - Introduction to ACPICA Release Automation +.. SPDX-License-Identifier: GPL-2.0 +.. include:: -Copyright (C) 2013-2016, Intel Corporation -Author: Lv Zheng +============================================================ +Linuxized ACPICA - Introduction to ACPICA Release Automation +============================================================ +:Copyright: |copy| 2013-2016, Intel Corporation -Abstract: +:Author: Lv Zheng -This document describes the ACPICA project and the relationship between -ACPICA and Linux. It also describes how ACPICA code in drivers/acpi/acpica, -include/acpi and tools/power/acpi is automatically updated to follow the -upstream. +:Abstract: This document describes the ACPICA project and the relationship + between ACPICA and Linux. It also describes how ACPICA code in + drivers/acpi/acpica, include/acpi and tools/power/acpi is + automatically updated to follow the upstream. -1. ACPICA Project +ACPICA Project +============== - The ACPI Component Architecture (ACPICA) project provides an operating - system (OS)-independent reference implementation of the Advanced - Configuration and Power Interface Specification (ACPI). It has been - adapted by various host OSes. By directly integrating ACPICA, Linux can - also benefit from the application experiences of ACPICA from other host - OSes. +The ACPI Component Architecture (ACPICA) project provides an operating +system (OS)-independent reference implementation of the Advanced +Configuration and Power Interface Specification (ACPI). It has been +adapted by various host OSes. By directly integrating ACPICA, Linux can +also benefit from the application experiences of ACPICA from other host +OSes. - The homepage of ACPICA project is: www.acpica.org, it is maintained and - supported by Intel Corporation. +The homepage of ACPICA project is: www.acpica.org, it is maintained and +supported by Intel Corporation. - The following figure depicts the Linux ACPI subsystem where the ACPICA - adaptation is included: +The following figure depicts the Linux ACPI subsystem where the ACPICA +adaptation is included:: +---------------------------------------------------------+ | | @@ -71,21 +75,27 @@ upstream. Figure 1. Linux ACPI Software Components - NOTE: +.. note:: A. OS Service Layer - Provided by Linux to offer OS dependent implementation of the predefined ACPICA interfaces (acpi_os_*). + :: + include/acpi/acpiosxf.h drivers/acpi/osl.c include/acpi/platform include/asm/acenv.h B. ACPICA Functionality - Released from ACPICA code base to offer OS independent implementation of the ACPICA interfaces (acpi_*). + :: + drivers/acpi/acpica include/acpi/ac*.h tools/power/acpi C. Linux/ACPI Functionality - Providing Linux specific ACPI functionality to the other Linux kernel subsystems and user space programs. + :: + drivers/acpi include/linux/acpi.h include/linux/acpi*.h @@ -95,24 +105,27 @@ upstream. ACPI subsystem to offer architecture specific implementation of the ACPI interfaces. They are Linux specific components and are out of the scope of this document. + :: + include/asm/acpi.h include/asm/acpi*.h arch/*/acpi -2. ACPICA Release +ACPICA Release +============== - The ACPICA project maintains its code base at the following repository URL: - https://github.com/acpica/acpica.git. As a rule, a release is made every - month. +The ACPICA project maintains its code base at the following repository URL: +https://github.com/acpica/acpica.git. As a rule, a release is made every +month. - As the coding style adopted by the ACPICA project is not acceptable by - Linux, there is a release process to convert the ACPICA git commits into - Linux patches. The patches generated by this process are referred to as - "linuxized ACPICA patches". The release process is carried out on a local - copy the ACPICA git repository. Each commit in the monthly release is - converted into a linuxized ACPICA patch. Together, they form the monthly - ACPICA release patchset for the Linux ACPI community. This process is - illustrated in the following figure: +As the coding style adopted by the ACPICA project is not acceptable by +Linux, there is a release process to convert the ACPICA git commits into +Linux patches. The patches generated by this process are referred to as +"linuxized ACPICA patches". The release process is carried out on a local +copy the ACPICA git repository. Each commit in the monthly release is +converted into a linuxized ACPICA patch. Together, they form the monthly +ACPICA release patchset for the Linux ACPI community. This process is +illustrated in the following figure:: +-----------------------------+ | acpica / master (-) commits | @@ -153,7 +166,7 @@ upstream. Figure 2. ACPICA -> Linux Upstream Process - NOTE: +.. note:: A. Linuxize Utilities - Provided by the ACPICA repository, including a utility located in source/tools/acpisrc folder and a number of scripts located in generate/linux folder. @@ -170,19 +183,20 @@ upstream. following kernel configuration options: CONFIG_ACPI/CONFIG_ACPI_DEBUG/CONFIG_ACPI_DEBUGGER -3. ACPICA Divergences +ACPICA Divergences +================== - Ideally, all of the ACPICA commits should be converted into Linux patches - automatically without manual modifications, the "linux / master" tree should - contain the ACPICA code that exactly corresponds to the ACPICA code - contained in "new linuxized acpica" tree and it should be possible to run - the release process fully automatically. +Ideally, all of the ACPICA commits should be converted into Linux patches +automatically without manual modifications, the "linux / master" tree should +contain the ACPICA code that exactly corresponds to the ACPICA code +contained in "new linuxized acpica" tree and it should be possible to run +the release process fully automatically. - As a matter of fact, however, there are source code differences between - the ACPICA code in Linux and the upstream ACPICA code, referred to as - "ACPICA Divergences". +As a matter of fact, however, there are source code differences between +the ACPICA code in Linux and the upstream ACPICA code, referred to as +"ACPICA Divergences". - The various sources of ACPICA divergences include: +The various sources of ACPICA divergences include: 1. Legacy divergences - Before the current ACPICA release process was established, there already had been divergences between Linux and ACPICA. Over the past several years those divergences have been greatly @@ -213,11 +227,12 @@ upstream. rebased on the ACPICA side in order to offer better solutions, new ACPICA divergences are generated. -4. ACPICA Development +ACPICA Development +================== - This paragraph guides Linux developers to use the ACPICA upstream release - utilities to obtain Linux patches corresponding to upstream ACPICA commits - before they become available from the ACPICA release process. +This paragraph guides Linux developers to use the ACPICA upstream release +utilities to obtain Linux patches corresponding to upstream ACPICA commits +before they become available from the ACPICA release process. 1. Cherry-pick an ACPICA commit @@ -225,7 +240,7 @@ upstream. you want to cherry pick must be committed into the local repository. Then the gen-patch.sh command can help to cherry-pick an ACPICA commit - from the ACPICA local repository: + from the ACPICA local repository:: $ git clone https://github.com/acpica/acpica $ cd acpica @@ -240,7 +255,7 @@ upstream. changes that haven't been applied to Linux yet. You can generate the ACPICA release series yourself and rebase your code on - top of the generated ACPICA release patches: + top of the generated ACPICA release patches:: $ git clone https://github.com/acpica/acpica $ cd acpica @@ -254,7 +269,7 @@ upstream. 3. Inspect the current divergences If you have local copies of both Linux and upstream ACPICA, you can generate - a diff file indicating the state of the current divergences: + a diff file indicating the state of the current divergences:: # git clone https://github.com/acpica/acpica # git clone http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git -- 2.20.1