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c192026cee
HiSilicon Uncore PMUs are identified by the IDs of the topology element on which the PMUs are located. Add a new separate struct hisi_pmu_toplogy to encapsulate this information. Add additional documentation on the meaning of each ID. - make sccl_id and sicl_id into a union since they're exclusive. It can also be accessed by scl_id if the SICL/SCCL distinction is not relevant - make index_id and sub_id signed so -1 may be used to indicate the PMU doesn't have this topology element or it could not be retrieved. This patch should have no functional changes. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Link: https://lore.kernel.org/r/20241210141525.37788-6-yangyicong@huawei.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 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.