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Choices and their members are associated via the P_CHOICE property. Currently, prop_get_symbol(sym_get_choice_prop()) is used to obtain the choice of the given choice member. We can do this without relying on P_CHOICE by checking the parent in the menu structure. Introduce a new helper to retrieve the choice if the given symbol is a choice member. This is intended to replace prop_get_symbol(sym_get_choice_prop()) and deprecate P_CHOICE eventually. Signed-off-by: Masahiro Yamada <masahiroy@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 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.
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