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Sparse reports the following warnings: arch/m68k/68000/ucsimm.c:19:15: sparse: sparse: symbol 'cs8900a_hwaddr' was not declared. Should it be static? arch/m68k/68000/ucsimm.c:22:1: sparse: sparse: symbol 'getserialnum' was not declared. Should it be static? arch/m68k/68000/ucsimm.c:23:1: sparse: sparse: symbol 'gethwaddr' was not declared. Should it be static? arch/m68k/68000/ucsimm.c:24:1: sparse: sparse: symbol 'getbenv' was not declared. Should it be static? 'cs8900a_hwaddr' is not used anywhere else in the kernel, so it can be removed. All of 'getserialnum', 'gethwaddr' and 'getbenv' are only used in this file, so they can all be made static. It turns out that these also cause compiler warnings like this too: arch/m68k/68000/ucsimm.c:22:15: warning: no previous prototype for 'getserialnum' [-Wmissing-prototypes] Also fixed by making them all static. Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> Reported-by: kernel test robot <lkp@intel.com>
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.