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Sander Vanheule
d3bf3dc4bb
The RTL931x SoC series has support for 32 GPIOs, although not all lines may be broken out to a physical pad. The GPIO bank's parent interrupt can be routed to either or both of the SoC's CPU cores by the GIC. Line-by-line IRQ balancing is not possible on these SoCs. Signed-off-by: Sander Vanheule <sander@svanheule.net> 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.