diff mbox series

[v4,04/63] Documentation: ACPI: move osi.txt to firmware-guide/acpi and convert to reST

Message ID 20190423162932.21428-5-changbin.du@gmail.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show
Series Include linux ACPI/PCI/X86 docs into Sphinx TOC tree | expand

Commit Message

Changbin Du April 23, 2019, 4:28 p.m. UTC
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 <changbin.du@gmail.com>
---
 Documentation/firmware-guide/acpi/index.rst       |  1 +
 .../{acpi/osi.txt => firmware-guide/acpi/osi.rst} | 15 +++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)
 rename Documentation/{acpi/osi.txt => firmware-guide/acpi/osi.rst} (97%)

Comments

Mauro Carvalho Chehab April 23, 2019, 8:44 p.m. UTC | #1
Em Wed, 24 Apr 2019 00:28:33 +0800
Changbin Du <changbin.du@gmail.com> escreveu:

> 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 <changbin.du@gmail.com>
> ---
>  Documentation/firmware-guide/acpi/index.rst       |  1 +
>  .../{acpi/osi.txt => firmware-guide/acpi/osi.rst} | 15 +++++++++------
>  2 files changed, 10 insertions(+), 6 deletions(-)
>  rename Documentation/{acpi/osi.txt => firmware-guide/acpi/osi.rst} (97%)
> 
> diff --git a/Documentation/firmware-guide/acpi/index.rst b/Documentation/firmware-guide/acpi/index.rst
> index 99677c73f1fb..868bd25a3398 100644
> --- a/Documentation/firmware-guide/acpi/index.rst
> +++ b/Documentation/firmware-guide/acpi/index.rst
> @@ -9,3 +9,4 @@ ACPI Support
>  
>     namespace
>     enumeration
> +   osi
> diff --git a/Documentation/acpi/osi.txt b/Documentation/firmware-guide/acpi/osi.rst
> similarity index 97%
> rename from Documentation/acpi/osi.txt
> rename to Documentation/firmware-guide/acpi/osi.rst
> index 50cde0ceb9b0..29e9ef79ebc0 100644
> --- a/Documentation/acpi/osi.txt
> +++ b/Documentation/firmware-guide/acpi/osi.rst
> @@ -1,5 +1,8 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +==========================
>  ACPI _OSI and _REV methods
> ---------------------------
> +==========================

You could probably do just the above, but changing the title
markups on the other files has the advantage of using the
same standard on all acpi files.

Either way, just looking at the conversion itself:

Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>


>  
>  An ACPI BIOS can use the "Operating System Interfaces" method (_OSI)
>  to find out what the operating system supports. Eg. If BIOS
> @@ -14,7 +17,7 @@ This document explains how and why the BIOS and Linux should use these methods.
>  It also explains how and why they are widely misused.
>  
>  How to use _OSI
> ----------------
> +===============
>  
>  Linux runs on two groups of machines -- those that are tested by the OEM
>  to be compatible with Linux, and those that were never tested with Linux,
> @@ -62,7 +65,7 @@ the string when that support is added to the kernel.
>  That was easy.  Read on, to find out how to do it wrong.
>  
>  Before _OSI, there was _OS
> ---------------------------
> +==========================
>  
>  ACPI 1.0 specified "_OS" as an
>  "object that evaluates to a string that identifies the operating system."
> @@ -96,7 +99,7 @@ That is the *only* viable strategy, as that is what modern Windows does,
>  and so doing otherwise could steer the BIOS down an untested path.
>  
>  _OSI is born, and immediately misused
> ---------------------------------------
> +=====================================
>  
>  With _OSI, the *BIOS* provides the string describing an interface,
>  and asks the OS: "YES/NO, are you compatible with this interface?"
> @@ -144,7 +147,7 @@ catastrophic failure resulting from the BIOS taking paths that
>  were never validated under *any* OS.
>  
>  Do not use _REV
> ----------------
> +===============
>  
>  Since _OSI("Linux") went away, some BIOS writers used _REV
>  to support Linux and Windows differences in the same BIOS.
> @@ -164,7 +167,7 @@ from mid-2015 onward.  The ACPI specification will also be updated
>  to reflect that _REV is deprecated, and always returns 2.
>  
>  Apple Mac and _OSI("Darwin")
> -----------------------------
> +============================
>  
>  On Apple's Mac platforms, the ACPI BIOS invokes _OSI("Darwin")
>  to determine if the machine is running Apple OSX.



Thanks,
Mauro
diff mbox series

Patch

diff --git a/Documentation/firmware-guide/acpi/index.rst b/Documentation/firmware-guide/acpi/index.rst
index 99677c73f1fb..868bd25a3398 100644
--- a/Documentation/firmware-guide/acpi/index.rst
+++ b/Documentation/firmware-guide/acpi/index.rst
@@ -9,3 +9,4 @@  ACPI Support
 
    namespace
    enumeration
+   osi
diff --git a/Documentation/acpi/osi.txt b/Documentation/firmware-guide/acpi/osi.rst
similarity index 97%
rename from Documentation/acpi/osi.txt
rename to Documentation/firmware-guide/acpi/osi.rst
index 50cde0ceb9b0..29e9ef79ebc0 100644
--- a/Documentation/acpi/osi.txt
+++ b/Documentation/firmware-guide/acpi/osi.rst
@@ -1,5 +1,8 @@ 
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
 ACPI _OSI and _REV methods
---------------------------
+==========================
 
 An ACPI BIOS can use the "Operating System Interfaces" method (_OSI)
 to find out what the operating system supports. Eg. If BIOS
@@ -14,7 +17,7 @@  This document explains how and why the BIOS and Linux should use these methods.
 It also explains how and why they are widely misused.
 
 How to use _OSI
----------------
+===============
 
 Linux runs on two groups of machines -- those that are tested by the OEM
 to be compatible with Linux, and those that were never tested with Linux,
@@ -62,7 +65,7 @@  the string when that support is added to the kernel.
 That was easy.  Read on, to find out how to do it wrong.
 
 Before _OSI, there was _OS
---------------------------
+==========================
 
 ACPI 1.0 specified "_OS" as an
 "object that evaluates to a string that identifies the operating system."
@@ -96,7 +99,7 @@  That is the *only* viable strategy, as that is what modern Windows does,
 and so doing otherwise could steer the BIOS down an untested path.
 
 _OSI is born, and immediately misused
---------------------------------------
+=====================================
 
 With _OSI, the *BIOS* provides the string describing an interface,
 and asks the OS: "YES/NO, are you compatible with this interface?"
@@ -144,7 +147,7 @@  catastrophic failure resulting from the BIOS taking paths that
 were never validated under *any* OS.
 
 Do not use _REV
----------------
+===============
 
 Since _OSI("Linux") went away, some BIOS writers used _REV
 to support Linux and Windows differences in the same BIOS.
@@ -164,7 +167,7 @@  from mid-2015 onward.  The ACPI specification will also be updated
 to reflect that _REV is deprecated, and always returns 2.
 
 Apple Mac and _OSI("Darwin")
-----------------------------
+============================
 
 On Apple's Mac platforms, the ACPI BIOS invokes _OSI("Darwin")
 to determine if the machine is running Apple OSX.