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af3be70a32
Understanding why of_phandle_iterator_next() returns an error can sometimes be hard to decipher based solely on the error message, a typical error example is that #foo-cells = <X> and the phandle property used has a smaller number of cells specified, e.g.: #thermal-sensor-cells = <1>; phandle = <&scmi_sensor> instead of: phandle <&scmi_sensor 0>; Instead, make it clear what the expectations are towards debugging incorrect Device Tree faster: OF: /thermal-zones/scmi-thermal: #thermal-sensor-cells = 1, found 0 instead Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Rob Herring <robh@kernel.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.