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The same SoC may have different clocks and/or module clock parents,
depending on SoC revision. One option is to use different sets of clock
tables for each SoC revision. However, if the differences are small, it
is much more space-efficient to have a single set of clock tables, and
fix those up at runtime instead.
Hence provide three helpers:
- Two helpers to NULLify core and module clocks that do not exist on
some revisions (NULLified clocks are skipped during the registration
phase),
- One helper to reparent module clocks that have different clock
parents.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.