Re: [PATCH] regulator: hi6421: mark hi6421_regulator_ldo_get_optimum_mode() static

[Arnd Bergmann]

On Wednesday, August 31, 2016 5:30:31 PM CEST Baoyou Xie wrote:
> We get 1 warning when building kernel with W=1:
> drivers/regulator/hi6421-regulator.c:480:14: warning: no previous prototype for
> 'hi6421_regulator_ldo_get_optimum_mode' [-Wmissing-prototypes]
> 
> In fact, this function is only used in the file in which it is
> declared and don't need a declaration, but can be made static.
> So this patch marks it 'static'.
> 
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
> 

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>