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Kuninori Morimoto
df23fcd56b
Current audio-graph-card is using of_get_parent() to get "port" from "ep", or get "ports" from "port". But it is difficlut to understand, and "ports" might not exist. This patch adds ep_to_port() to get "port" from "ep", and port_to_ports() to get "ports" from "port". "ports" will be NULL if not exist. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://msgid.link/r/8734q2h6fz.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@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.