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Both ad7091r_writeable_reg() and ad7091r_volatile_reg() perform the same test, checking whether a given 'reg' code is AD7091R_REG_RESULT or AD7091R_REG_ALERT. As the volatile ad7091r registers happen to be the only read-only ones, the volatile_reg() function now returns the negated output of writeable_reg(). Co-developed-by: Bruno Stephan <bruno.stephan@usp.br> Signed-off-by: Bruno Stephan <bruno.stephan@usp.br> Co-developed-by: Andre de Lima <aschwarz@usp.br> Signed-off-by: Andre de Lima <aschwarz@usp.br> Signed-off-by: Arthur Pilone <art.pilone@gmail.com> Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com> Link: https://patch.msgid.link/20250421145534.91146-1-arthurpilone@usp.br 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 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.