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When7c7f9bc986("serial: Deassert Transmit Enable on probe in driver-specific way") got backported to 5.15.y, there known asb079d37752, some hunks were accidentally left out. In fsl_lpuart.c, this amounts to uart_remove_one_port() being called in an error path despite uart_add_one_port() not having been called. In serial_core.c, it is possible that the omission in uart_suspend_port() is harmless, but the backport did have the corresponding hunk in uart_resume_port(), it runs counter to the original commit's intention of Skip any invocation of ->set_mctrl() if RS485 is enabled. and it's certainly better to be aligned with upstream. Fixes:b079d37752("serial: Deassert Transmit Enable on probe in driver-specific way") Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Dominique MARTINET <dominique.martinet@atmark-techno.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.