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1ba91b54a9
Use the new callback to fetch the data. Return an error if
not supported. UMDs should use this query to check whether
shadow buffers are supported and if so what size they
should be.
v2: return an error rather than a zerod structure.
v3: drop GDS, move into dev_info structure. Data will be
0 if not supported.
v4: drop local variable r
Signed-off-by: Alex Deucher <alexander.deucher@amd.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.