Re: [PATCH v2 10/13] cpufreq: powernow-k8: Mark 'hi' and 'lo' dummy variables as __always_unused

[Pavel Machek]

On Wed 2020-07-15 09:26:31, Lee Jones wrote:
> if we fail to use a variable, even a dummy ones, then the compiler
> complains that it is set but not used.  We know this is fine, so we
> set them as __always_unused here to let the compiler know.
> 
> Fixes the following W=1 kernel build warning(s):
> 
>  drivers/cpufreq/powernow-k8.c: In function âpending_bit_stuckâ:
>  drivers/cpufreq/powernow-k8.c:89:10: warning: variable âhiâ set but not used [-Wunused-but-set-variable]
>  89 | u32 lo, hi;
>  | ^~
>  drivers/cpufreq/powernow-k8.c: In function âcore_voltage_pre_transitionâ:
>  drivers/cpufreq/powernow-k8.c:285:14: warning: variable âloâ set but not used [-Wunused-but-set-variable]
>  285 | u32 maxvid, lo, rvomult = 1;
>  | ^~
> 
> Cc: Andreas Herrmann <herrmann.der.user@xxxxxxxxxxxxxx>
> Cc: Dominik Brodowski <linux@xxxxxxxx>

Acked-by: Pavel Machek <pavel@xxxxxx>

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