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62a7f62891
I found that PHY's enable refcounting was broken and after fixing it I also found that machine started to hang after EHCI driver module removal. Turned out that the teardown order is incorrect because HCD must be unregistered *before* PHY's disabling. Note that it is also not correct to assert the shared reset during of driver's removal because PHY takes care of resetting shared pads and thus it's better to remove that part from the EHCI driver. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20200106013416.9604-3-digetx@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.