Quoting Geert Uytterhoeven (2020-09-24 04:18:08)
> When compiling with clang:
>
> drivers/clk/renesas/r8a779a0-cpg-mssr.c:156:21: warning: no previous prototype for function 'rcar_r8a779a0_cpg_clk_register' [-Wmissing-prototypes]
> struct clk * __init rcar_r8a779a0_cpg_clk_register(struct device *dev,
> ^
> drivers/clk/renesas/r8a779a0-cpg-mssr.c:156:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> struct clk * __init rcar_r8a779a0_cpg_clk_register(struct device *dev,
> ^
> static
>
> Similarly, with sparse:
>
> drivers/clk/renesas/r8a779a0-cpg-mssr.c:156:12: warning: symbol 'rcar_r8a779a0_cpg_clk_register' was not declared. Should it be static?
>
> There are no users of rcar_r8a779a0_cpg_clk_register() outside this
> file, so it should be static.
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Fixes: c07439dea94050b6 ("clk: renesas: cpg-mssr: Add support for R-Car V3U")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxx>
