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Currently, if the clock values cannot be set to the exact rate, the round_rate and set_rate functions use the closest value found in the look-up-table. In preparation of removing values from the LUT that can be calculated evenly with the integer calculator, it's necessary to ensure to check both the look-up-table and the integer divider clock values to get the closest values to the requested value. It does this by measuring the difference between the requested clock value and the closest value in both integer divider calucator and the fractional clock look-up-table. Which ever has the smallest difference between them is returned as the closest rate. Signed-off-by: Adam Ford <aford173@gmail.com> Reviewed-by: Dominique Martinet <dominique.martinet@atmark-techno.com> Tested-by: Dominique Martinet <dominique.martinet@atmark-techno.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Link: https://lore.kernel.org/r/20240914112816.520224-5-aford173@gmail.com Signed-off-by: Vinod Koul <vkoul@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.