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07510a59b3
The hardware definition of every TPMI feature contains a major and minor version. When there is a change in the MMIO offset or change in the definition of a field, hardware will change major version. For addition of new fields without modifying existing MMIO offsets or fields, only the minor version is changed. Driver is developed to support SST functionality for a major and minor version. If the hardware changes major version, since offsets and definitions are changed, driver cannot continue to provide SST interface to users. Driver can still function with a minor version change as it will just miss the new functionality added by the hardware. The current implementation doesn't ignore any version change. If there is mismatch with the minor version, continue with an information log message. If there is mismatch with the major version, log error and exit. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20231003184916.1860084-3-srinivas.pandruvada@linux.intel.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.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.