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This interrupt controller is found in the Actions Semi Owl SoCs (S500, S700 and S900) and provides support for handling up to 3 external interrupt lines. Each line can be independently configured as interrupt and triggers on either of the edges or either of the levels. Additionally, each line can also be masked individually. Co-developed-by: Parthiban Nallathambi <pn@denx.de> Co-developed-by: Saravanan Sekar <sravanhome@gmail.com> Signed-off-by: Parthiban Nallathambi <pn@denx.de> Signed-off-by: Saravanan Sekar <sravanhome@gmail.com> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1a010ef0eb78831b5657d74a0fcdef7a8efb2ec4.1600114378.git.cristian.ciocaltea@gmail.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.