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8cce3bbfb4
The vendor request used to set the flow-control settings also sets the state of the modem-control lines. Add state variables to keep track of the modem-control lines to avoid always asserting the lines whenever the flow-control settings are updated. This specifically also avoids asserting DTR/RTS when opening a port with the line speed set to B0. Signed-off-by: Johan Hovold <johan@kernel.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.