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da83fd152e
The device property APIs designed that way that they will return an error when there is no valid fwnode provided. Moreover, the check for NULL of dev_fwnode() is not fully correct as in some (currently rare) cases it may contain an error pointer. This is not a problem anyway (see keyword 'valid' above) that's why the code works properly even without this change. Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://patch.msgid.link/20240826212344.866928-3-andy.shevchenko@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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 reStructuredText 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.