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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>
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.