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Some interrupt controllers whose interrupts are acked on read will set the status bits for masked interrupts without changing the state of the IRQ line. Some chips have an additional "feature" where if those set bits are not cleared before unmasking their respective interrupts, the IRQ line will change the state and we'll interpret this as an interrupt although it actually fired when it was masked. Add a new field to the irq chip struct that tells the regmap irq chip code to always clear the status registers before actually changing the irq mask values. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Mark Brown <broonie@kernel.org> |
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| .clang-format | ||
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| README | ||
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.