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The iio-rescale driver supports various combinations of scale types and offsets. These can often result in large integer multiplications. Make sure these calculations are done right by adding a set of kunit test cases that build on top of iio-test-format. To run these tests, add the following to .kunitconfig $ cat .kunitconfig CONFIG_IIO=y CONFIG_IIO_RESCALE_KUNIT_TEST=y CONFIG_KUNIT=y Then run: $ ./tools/testing/kunit/kunit.py run --kunitconfig .kunitconfig Signed-off-by: Liam Beguin <liambeguin@gmail.com> Reviewed-by: Peter Rosin <peda@axentia.se> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220213025739.2561834-7-liambeguin@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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 Restructured Text 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.