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67c6bb56b6
The ARM architected TRNG firmware interface, described in ARM spec DEN0098, define an ARM SMCCC based interface to a true random number generator, provided by firmware. Add the definitions of the SMCCC functions as defined by the spec. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20210106103453.152275-2-andre.przywara@arm.com Signed-off-by: Will Deacon <will@kernel.org>
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.