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Some gpio's parent irqdomain may not use the struct irq_fwspec as argument, such as msi irqdomain. So rename the callback populate_parent_fwspec() to populate_parent_alloc_arg() and make it allocate and populate the specific struct which is needed by the parent irqdomain. Signed-off-by: Kevin Hao <haokexin@gmail.com> Link: https://lore.kernel.org/r/20200114082821.14015-3-haokexin@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.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 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.