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d0e8f174dd
If the rockchip,dp-lane-mux property is config in dts, it mean DP function is used, but the USB function may not be used. It may be cause cmn ana lcpll lock timeout when initialize phy but USB function is not used. So just init the phy mode with USB function when u3-port node is enabled. If the rockchip,dp-lane-mux property is not in dts, it mean USB function is used, but the DP function is depend on DP Alt mode support by sink. If not sink device is disconnected and force to access DPTX controller register after initialize phy, The DP function should config, if not config the DPTX controller register can't be access. So if dp-port node is enabled, init the phy mode with DP function. Change-Id: I8aa7ab41d962a50dcdf6dffcf27070a6c6112efe Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
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.