On Fri, Nov 20, 2020 at 12:32:51PM -0600, Gustavo A. R. Silva wrote:
> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
> by explicitly adding a fallthrough pseudo-keyword instead of letting the
> code fall through to the next case.
> 
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org>
> ---
>  drivers/watchdog/machzwd.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
> index 743377c5b173..73f2221f6222 100644
> --- a/drivers/watchdog/machzwd.c
> +++ b/drivers/watchdog/machzwd.c
> @@ -174,6 +174,7 @@ static inline void zf_set_timer(unsigned short new, 
> unsigned char n)
>               fallthrough;
>       case WD2:
>               zf_writeb(COUNTER_2, new > 0xff ? 0xff : new);
> +             fallthrough;

fallthrough to return ? Oh well, this is an old style driver anyway,
so I guess who cares.

Acked-by: Guenter Roeck <li...@roeck-us.net>

Guenter

>       default:
>               return;
>       }
> -- 
> 2.27.0
> 

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