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In subsequent patches we want to allow irqchip drivers to register as FIQ handlers, with a set_handle_fiq() function. To keep the IRQ/FIQ paths similar, we want arm64 to provide both set_handle_irq() and set_handle_fiq(), rather than using GENERIC_IRQ_MULTI_HANDLER for the former. This patch adds an arm64-specific implementation of set_handle_irq(). There should be no functional change as a result of this patch. Signed-off-by: Marc Zyngier <maz@kernel.org> [Mark: use a single handler pointer] Signed-off-by: Mark Rutland <mark.rutland@arm.com> Tested-by: Hector Martin <marcan@marcan.st> Cc: James Morse <james.morse@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20210315115629.57191-3-mark.rutland@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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.