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SCMI vendor protocols namespace is shared amongst all vendors so that there can be multiple implementation for the same protocol ID by different vendors, exposing completely different functionalities and used by distinct SCMI vendor drivers. For these reasons, at runtime, when some driver asks for a protocol, the proper implementation to use is chosen based on the SCMI vendor/subvendor/ impl_version data as advertised by the platform SCMI server and gathered from the SCMI core during stack initialization: this enables proper runtime selection of vendor protocols even when many different protocols from different vendors are built into the same image via a common defconfig. This same selection mechanism works similarly well even when all the vendor protocols are compiled as loadable modules, as long as all such required protocol modules have been previously loaded by some other means. Add support for the automatic loading of vendor protocol modules, based on protocol/vendor IDs, when an SCMI driver attempts to use such a protocol. Reported-by: Johan Hovold <johan+linaro@kernel.org> Closes: https://lore.kernel.org/lkml/ZytnRc94iKUfMYH0@hovoldconsulting.com/ Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Message-Id: <20241209164957.1801886-2-cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.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 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.