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ee00e0bf7e
On an imx8mq-evk the following error is seen: [ 1.375809] wm8524-codec audio-codec: Failed to get mute line: -517 It happens because the codec driver may probe prior to the imx gpio driver, which causes a probe defer. Change to dev_err_probe() to avoid printing this error. Reported-by: Chris Healy <cphealy@gmail.com> Signed-off-by: Fabio Estevam <festevam@gmail.com> Link: https://lore.kernel.org/r/20210301193328.2123511-1-festevam@gmail.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 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.