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Kishon Vijay Abraham I 2aadcb0cd3 PCI: dwc: Fix ATU identification for designware version >= 4.80
Synopsys designware version >= 4.80 uses a separate register space
for programming ATU. The current code identifies if there exists a
separate register space by accessing the register address of ATUs
in designware version < 4.80. Accessing this address results in
abort in the case of K2G.

Fix it here by adding "version" member to struct dw_pcie. This should be
set by platform specific drivers and designware core will use it to
identify if the platform has a separate ATU space. For platforms which
have not populated the version member, the old method of identification
will still be used.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2019-04-15 13:24:01 +01:00
arch
block
certs
crypto
Documentation dt-bindings: PCI: Document "atu" reg-names 2019-04-15 13:24:01 +01:00
drivers PCI: dwc: Fix ATU identification for designware version >= 4.80 2019-04-15 13:24:01 +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.