Re: [PATCH] clk: export __clk_get_hw for re-use in others

[Greg KH]

On Sun, Jan 19, 2014 at 02:55:07PM +0900, SeongJae Park wrote:
> Following build comes while modprobe process:
> > ERROR: "__clk_get_hw" [drivers/clk/clk-max77686.ko] undefined!
> > make[2]: *** [__modpost] Error 1
> > make[1]: *** [modules] Error 2
> 
> Export the symbol to fix it and for other part's usecase.
> 
> Signed-off-by: SeongJae Park <sj38.park@xxxxxxxxx>
> ---
>  drivers/clk/clk.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index 2b38dc9..3883fba 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -575,6 +575,7 @@ struct clk_hw *__clk_get_hw(struct clk *clk)
>  {
>  	return !clk ? NULL : clk->hw;
>  }
> +EXPORT_SYMBOL_GPL(__clk_get_hw);

__ functions should usually only be for "internal" use, why does this
get exported to modules?  Why not just put it in a .h file?

greg k-h
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