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HWKM v1 and v2 differ slightly in wrapped key size and the bit fields for certain status registers and operating mode (legacy or standard). Add support to select HWKM version based on the major and minor revisions. Use this HWKM version to select wrapped key size and to configure the bit fields in registers for operating modes and hardware status. Support for SCM calls for wrapped keys is being added in the TrustZone for few SoCs with HWKM v1. Existing check of qcom_scm_has_wrapped_key_support() API ensures that HWKM is used only if these SCM calls are supported in TrustZone for that SoC. Signed-off-by: Neeraj Soni <neeraj.soni@oss.qualcomm.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Link: https://lore.kernel.org/r/20251030161012.3391239-1-neeraj.soni@oss.qualcomm.com Signed-off-by: Bjorn Andersson <andersson@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 reStructuredText 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.