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87b0031f7f
Add an irqdomain callback to report firmware-provided information that is otherwise not available in a generic way. This is reported using a new data structure (struct irq_fwspec_info). This callback is optional and the only information that can be reported currently is the affinity of an interrupt. However, the containing structure is designed to be extensible, allowing other potentially relevant information to be reported in the future. Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Will Deacon <will@kernel.org> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Link: https://patch.msgid.link/20251020122944.3074811-2-maz@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 reStructuredText 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.