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c607e5e2e4
The platform_get_irq() returns a positive interrupt number on success and negative error code on failure (zero shouldn't ever happen in practice, it would produce a noisy warning). Hence let's return the error code directly instead of overriding it with -ENODEV. Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Link: https://lore.kernel.org/r/20200709171203.12950-5-digetx@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.