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d86f4d71e4
It is not guaranteed that the IRQ controller driver is probed before the pin controller driver gets probed. Considering this, check for the irq domain availability during probe and return EPROBE_DEFER if needed. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Acked-by: Alexandre TORGUE <alexandre.torgue@st.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.