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authorChangbin Du <changbin.du@gmail.com>2019-05-14 17:47:28 +0300
committerBjorn Helgaas <bhelgaas@google.com>2019-05-31 01:54:32 +0300
commitb66357f32fb9a68bb9f2126a894d3b9bbc4e821c (patch)
treefcb77fd5467b46d559ebc51edd964663e851f086
parent3b9bae029b60ee0fa6d6205e0debfad4482434a7 (diff)
downloadlinux-b66357f32fb9a68bb9f2126a894d3b9bbc4e821c.tar.xz
Documentation: PCI: convert acpi-info.txt to reST
Convert 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> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
-rw-r--r--Documentation/PCI/acpi-info.rst (renamed from Documentation/PCI/acpi-info.txt)15
-rw-r--r--Documentation/PCI/index.rst1
2 files changed, 11 insertions, 5 deletions
diff --git a/Documentation/PCI/acpi-info.txt b/Documentation/PCI/acpi-info.rst
index 3ffa3b03970e..060217081c79 100644
--- a/Documentation/PCI/acpi-info.txt
+++ b/Documentation/PCI/acpi-info.rst
@@ -1,4 +1,8 @@
- ACPI considerations for PCI host bridges
+.. SPDX-License-Identifier: GPL-2.0
+
+========================================
+ACPI considerations for PCI host bridges
+========================================
The general rule is that the ACPI namespace should describe everything the
OS might use unless there's another way for the OS to find it [1, 2].
@@ -131,12 +135,13 @@ address always corresponds to bus 0, even if the bus range below the bridge
[4] ACPI 6.2, sec 6.4.3.5.1, 2, 3, 4:
QWord/DWord/Word Address Space Descriptor (.1, .2, .3)
- General Flags: Bit [0] Ignored
+ General Flags: Bit [0] Ignored
Extended Address Space Descriptor (.4)
- General Flags: Bit [0] Consumer/Producer:
- 1–This device consumes this resource
- 0–This device produces and consumes this resource
+ General Flags: Bit [0] Consumer/Producer:
+
+ * 1 – This device consumes this resource
+ * 0 – This device produces and consumes this resource
[5] ACPI 6.2, sec 19.6.43:
ResourceUsage specifies whether the Memory range is consumed by
diff --git a/Documentation/PCI/index.rst b/Documentation/PCI/index.rst
index 458354daac47..6f573f3df993 100644
--- a/Documentation/PCI/index.rst
+++ b/Documentation/PCI/index.rst
@@ -12,3 +12,4 @@ Linux PCI Bus Subsystem
picebus-howto
pci-iov-howto
msi-howto
+ acpi-info