Commit b66357f3 authored by Changbin Du's avatar Changbin Du Committed by Bjorn Helgaas
Browse files

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: default avatarChangbin Du <changbin.du@gmail.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 3b9bae02

Documentation/PCI/acpi-info.txt→Documentation/PCI/acpi-info.rst

+10 −5
Original line number Diff line number Diff line 
.. 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].
@@ -135,8 +139,9 @@ address always corresponds to bus 0, even if the bus range below the bridge 


    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



        * 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

Documentation/PCI/index.rst

+1 −0
Original line number Diff line number Diff line
@@ -12,3 +12,4 @@ Linux PCI Bus Subsystem 
   picebus-howto

   pci-iov-howto

   msi-howto

   acpi-info

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