Will Deacon 6bf6c24720 iommu/of: Request ACS from the PCI core when configuring IOMMU linkage
To avoid having to export 'pci_request_acs()' to modular IOMMU drivers,
move the call into the 'of_dma_configure()' path in a similar manner to
the way in which ACS is configured when probing via ACPI/IORT.

Signed-off-by: Will Deacon <will@kernel.org>
Tested-by: John Garry <john.garry@huawei.com> # smmu v3
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2019-12-23 14:06:05 +01:00
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2019-12-22 13:18:15 +01:00
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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.

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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