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01c33b8138
Device number 204 has a range of minors on major number. uart_register_driver is failing due to lack of minor numbers when more number of uart ports used. So, to avoid minor number limitation on 204 major number use dynamic major allocation when more than 4 uart ports used otherwise use static major allocation. https://docs.kernel.org/arch/arm/sa1100/serial_uart.html Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com> Link: https://lore.kernel.org/r/20231116134003.3762725-3-manikanta.guntupalli@amd.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.