Re: [PATCH] cpufreq: s3c244x: add fallthrough comments for switch

[Krzysztof Kozlowski]

On 27/09/2021 11:51, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> Apparently nobody has so far caught this warning, I hit it in randconfig
> build testing:
> 
> drivers/cpufreq/s3c2440-cpufreq.c: In function 's3c2440_cpufreq_setdivs':
> drivers/cpufreq/s3c2440-cpufreq.c:175:10: error: this statement may fall through [-Werror=implicit-fallthrough=]
>    camdiv |= S3C2440_CAMDIVN_HCLK3_HALF;
>           ^
> drivers/cpufreq/s3c2440-cpufreq.c:176:2: note: here
>   case 3:
>   ^~~~
> drivers/cpufreq/s3c2440-cpufreq.c:181:10: error: this statement may fall through [-Werror=implicit-fallthrough=]
>    camdiv |= S3C2440_CAMDIVN_HCLK4_HALF;
>           ^
> drivers/cpufreq/s3c2440-cpufreq.c:182:2: note: here
>   case 4:
>   ^~~~
> 
> Both look like the fallthrough is intentional, so add the new
> "fallthrough;" keyword.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  drivers/cpufreq/s3c2440-cpufreq.c | 2 ++
>  1 file changed, 2 insertions(+)

I think I saw it but back then implicit-fallthrough was not an error :)

LGTM:

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>


Best regards,
Krzysztof