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e71374c075
Add irqchip calls to set/get interrupt state from the parent interrupt controller. When GPIOs are renabled as interrupt lines, it is desirable to clear the interrupt state at the GIC. This avoids any unwanted interrupt as a result of stale pending state recorded when the line was used as a GPIO. Signed-off-by: Maulik Shah <mkshah@codeaurora.org> [Lina: updated commit text, rearranged code] Signed-off-by: Lina Iyer <ilina@codeaurora.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/1573855915-9841-8-git-send-email-ilina@codeaurora.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.