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List:       linux-mmc
Subject:    Re: [PATCH] mmc: sdhci-s3c: Mark expected switch fall-through
From:       Adrian Hunter <adrian.hunter () intel ! com>
Date:       2019-07-29 5:38:29
Message-ID: 97a8a7d5-6d20-2a6a-5a62-24bd6c8c0ddc () intel ! com
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On 29/07/19 3:02 AM, Gustavo A. R. Silva wrote:
> Mark switch cases where we are expecting to fall through.
> 
> This patch fixes the following warnings:
> 
> drivers/mmc/host/sdhci-s3c.c: In function 'sdhci_s3c_probe':
> drivers/mmc/host/sdhci-s3c.c:613:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
>    host->mmc->caps |= MMC_CAP_8_BIT_DATA;
> drivers/mmc/host/sdhci-s3c.c:614:2: note: here
>   case 4:
>   ^~~~
> 
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/mmc/host/sdhci-s3c.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
> index 8e4a8ba33f05..cefa0fb8cfde 100644
> --- a/drivers/mmc/host/sdhci-s3c.c
> +++ b/drivers/mmc/host/sdhci-s3c.c
> @@ -611,6 +611,7 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
>  	switch (pdata->max_width) {
>  	case 8:
>  		host->mmc->caps |= MMC_CAP_8_BIT_DATA;
> +		/* Fall through */
>  	case 4:
>  		host->mmc->caps |= MMC_CAP_4_BIT_DATA;
>  		break;
> 

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