Re: regulator: build warning in regulator_lock_supply()

[Sascha Hauer]

On Mon, Nov 09, 2015 at 07:21:48PM -0800, Frank Rowand wrote:
> In the current Linus tree, new build warning.
> 
> When CONFIG_DEBUG_LOCK_ALLOC is not enabled,
> 
>   drivers/regulator/core.c: In function 'regulator_lock_supply':
>   drivers/regulator/core.c:142:6: warning: unused variable 'i' [-Wunused-variable]
> 
> 
> Introduced by commit
> 
>   9f01cd4a915e1 ("regulator: core: introduce function to lock regulators and its supplies")

We could fix this with the following patch. On the other hand I'd say
that it's not our fault that mutex_lock_nested() doesn't use the
variable, so maybe it should rather be a static inline function instead
of a define?

Sascha

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