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[ Upstream commit41c76690b0] STM32 CRYP hardware doesn't manage CTR counter bigger than max U32, as a workaround, at each block the current IV is saved, if the saved IV lower u32 is 0xFFFFFFFF, the full IV is manually incremented, and set in hardware. Fixes:bbb2832620("crypto: stm32 - Fix sparse warnings") Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@foss.st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal@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.