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On some platforms, e.g., the ZynqMP, devm_clk_get can return -EPROBE_DEFER if the clock controller, which is implemented in firmware, has not been probed yet. As clk_init is only called during probe, use dev_err_probe to simplify the error message and hide it for -EPROBE_DEFER. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.