RE: [PATCH] mmc: sdhci: fix the wrong type of curr

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Hello,

Any feedback on this fix?

Thanks
Chuanxiao

> -----Original Message-----
> From: linux-mmc-owner@xxxxxxxxxxxxxxx
> [mailto:linux-mmc-owner@xxxxxxxxxxxxxxx] On Behalf Of Chuanxiao Dong
> Sent: Friday, August 01, 2014 2:00 PM
> To: linux-mmc@xxxxxxxxxxxxxxx; cjb@xxxxxxxxxx; ulf.hansson@xxxxxxxxxx
> Subject: [PATCH] mmc: sdhci: fix the wrong type of curr
> 
> curr should use signed type since it will contain the returned value which is
> possible to be a negative value. Using u32 will make the returned value to be
> true even there is a negative result.
> Change to use int instead of u32
> 
> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx>
> ---
>  drivers/mmc/host/sdhci.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index
> 47055f3..c026ec8 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -3078,7 +3078,7 @@ int sdhci_add_host(struct sdhci_host *host)
>  	 */
>  	max_current_caps = sdhci_readl(host, SDHCI_MAX_CURRENT);
>  	if (!max_current_caps && host->vmmc) {
> -		u32 curr = regulator_get_current_limit(host->vmmc);
> +		int curr = regulator_get_current_limit(host->vmmc);
>  		if (curr > 0) {
> 
>  			/* convert to SDHCI_MAX_CURRENT format */
> --
> 1.7.10.4
> --
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