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Create a new function gsi_irq_ev_ctrl_enable() that encapsulates enabling the event ring control GSI interrupt type, and enables a single event ring to signal that interrupt. When an event ring changes state as a result of an event ring command, it triggers this interrupt. Create an inverse function gsi_irq_ev_ctrl_disable() as well. Because only one event ring at a time is enabled for this interrupt, we can simply disable the interrupt for *all* channels. Create a pair of helpers that serve the same purpose for channel commands. Signed-off-by: Alex Elder <elder@linaro.org> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.