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e10b0eddd5
Interrupt is set in ICM (ICR & ~IMV) rising trigger. As the driver masks the IRQ after clearing it, there can be a race where an additional spurious interrupt is triggered when the driver unmask the IRQ. This can happen in case HW triggers an interrupt after the clear and before the mask. To prevent the second spurious interrupt the driver needs to mask the IRQ before reading and clearing it. Signed-off-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> |
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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.