Patrick Daly 0f671ed83a ANDROID: GKI: arm64: dma-mapping: add support for IOMMU mapper
On systems with IOMMUs, it's useful to handle IOMMU mappings in the
dma-mapping layer. This is currently supported on arm but not arm64. Add
support in arm64 by gratuitously lifting most of the IOMMU-related stuff
from dma-mapping.c in arm.

The original arm work was done by Marek Szyprowski in [4ce63fcd91:
"ARM: dma-mapping: add support for IOMMU mapper"].

Change-Id: I1c3c8fe15049fe456751074398fd179ebd2ec64e
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
Bug: 155522481
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
[saravanak snapshot from commit 79efc458af96 that approximately matches
commit f0dbb6af93e971a24e272267dc6d22676900873d]
Signed-off-by: Saravana Kannan <saravanak@google.com>
2020-05-01 20:42:11 -07:00
2020-04-18 13:33:51 +02:00
2020-04-29 17:26:17 +02:00
2020-04-29 17:26:17 +02:00
2020-04-29 17:26:17 +02:00
2020-04-29 17:26:17 +02:00
2020-04-29 17:26:17 +02:00
2020-04-29 17:26:17 +02:00
2020-03-03 07:33:01 +01:00
2020-04-29 17:26:17 +02:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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