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A number of irqchip implementations are (ab)using the irqdomain allocator by passing a fwnode that is neither a FWNODE_OF or a FWNODE_IRQCHIP. This is pretty bad, but it also feels pretty crap to force these drivers to allocate their own irqchip_fwid when they already have a proper fwnode. Instead, let's teach the irqdomain allocator about ACPI device nodes, and add some lovely name generation code... Tested on an arm64 D05 system. Reported-and-tested-by: John Garry <john.garry@huawei.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Agustin Vega-Frias <agustinv@codeaurora.org> Cc: Ma Jun <majun258@huawei.com> Cc: Hanjun Guo <hanjun.guo@linaro.org> Link: http://lkml.kernel.org/r/20170707083959.10349-1-marc.zyngier@arm.com
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.