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71b7b39725
Reduce magic numbers and improve code readability by implementing and utilizing named register data structures. The 104-DIO-48E device features an Intel 8255 compatible GPIO interface, so the i8255 GPIO module is selected and utilized as well. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: John Hentges <jhentges@accesio.com> Cc: Jay Dolan <jay.dolan@accesio.com> Signed-off-by: William Breathitt Gray <william.gray@linaro.org> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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.