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4b7349cb4e
This patch simplifies the process of getting serial port number, with this patch, serial devices must have aliases configured in devicetree. The serial port searched out via sprd_port array maybe wrong if we don't have serial alias defined in devicetree, and specify console with command line, we would get the wrong port number if other serial ports probe failed before console's. So using aliases is mandatory. Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> Link: https://lore.kernel.org/r/20200318105049.19623-2-zhang.lyra@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.