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9f78b3ae05
dev_err_probe() can check if the error code is -EPROBE_DEFER and can return the error code, replacing dev_err() with it simplifies the code. Signed-off-by: Chen Haonan <chen.haonan2@zte.com.cn> Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com> Link: https://lore.kernel.org/r/3ac20d355b0b3ad3cedb87c8f4efa819a055624b.1702967834.git.chen.haonan2@zte.com.cn Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/3ac20d355b0b3ad3cedb87c8f4efa819a055624b.1702967834.git.chen.haonan2@zte.com.cn
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.