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643fe70e7b
of_property_match_string returns an int; either an index from 0 or greater if successful or negative on failure. Even it's very unlikely that the DT CPU node contains multiple enable-methods these checks should be fixed. This patch was inspired by the work of Nick Desaulniers. Link: https://lore.kernel.org/lkml/20230516-sunxi-v1-1-ac4b9651a8c1@google.com/T/ Cc: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Link: https://lore.kernel.org/r/20231228193903.9078-2-wahrenst@gmx.net Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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.