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1) MOXA_GETMSTATUS is broken at least since commit ecbbfd44a0 (TTY:
move tty buffers to tty_port) in 2012.
Even though it's mentioned in the mon_pa moxa utility, obviously
noone ever tried that in that timeframe.
2) The ioctl definition was never exposed to userspace, so noone
should actually be reliably using this.
Provided the above, remove this mxser-special ioctl.
And remove the whole concept of mxser_ioctl_special as this was the last
ioctl in there.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-29-jslaby@suse.cz
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.