mirror of
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88ce0688ff5e72a3d7fbd9804cb69056c382152c
The symbols is used for rockchip video codec driver, which located driver/rockchip/video/mpp. When mpp is build for module, it will be error. Error message: ERROR: "device_links_read_unlock" [drivers/video/rockchip/mpp/rk_vcodec.ko] undefined! ERROR: "device_links_read_lock" [drivers/video/rockchip/mpp/rk_vcodec.ko] undefined! make[2]: *** [__modpost] Error 1 make[1]: *** [modules] Error 2 make: *** [kernel.img] Error 2 make: *** Deleting file `kernel.img'` Change-Id: Ie412341c03ad71d257392a22249b62bedd0be58b Signed-off-by: Ding Wei <leo.ding@rock-chips.com>
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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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