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657d3fdc709962b88d0d20e0216603be26b316b2
On certain QTI chipsets some GPIOs are direct-connect interrupts to the GIC. Even when GPIOs are not used for interrupt generation and interrupt line is disabled, it does not prevent interrupt to get pending at GIC_ISPEND. When drivers call enable_irq unwanted interrupt occures. Introduce irq_chip_get/set_parent_state calls to clear pending irq which can get called within irq_enable of child irq chip to clear any pending irq before enabling. Signed-off-by: Maulik Shah <mkshah@codeaurora.org> Bug: 150233439 Change-Id: Ie8559657bd8da926cc741514809ffe9adbd73a80 Signed-off-by: Will McVicker <willmcvicker@google.com> (cherry picked from commit d9233146224bdeec6a8a4cc684bec303e38fb9af)
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.
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