Re: [PATCH] mmc: omap_hsmmc: correct precedence of operators

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(cc Tero)

Hi,

On Thu, 20 Dec 2012, Sasha Levin wrote:

> With the current code, the condition in the if() doesn't make much sense due to
> precedence of operators.
> 
> Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
> ---
>  drivers/mmc/host/omap_hsmmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index bc58078..3ee2664 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -611,7 +611,7 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
>  	if (host->context_loss == context_loss)
>  		return 1;
>  
> -	if (!OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE)
> +	if (!(OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE))
>  		return 1;
>  
>  	if (host->pdata->controller_flags & OMAP_HSMMC_SUPPORTS_DUAL_VOLT) {

Makes sense to me, but I wonder if this code is even necessary after:

commit 613ad0e98c3596cd2524172fae2a795c3fc57e4a
Author: Tero Kristo <t-kristo@xxxxxx>
Date:   Mon Oct 29 22:02:13 2012 -0600

    ARM: OMAP: hwmod: wait for sysreset complete after enabling hwmod
    

?  You might just be able to drop those lines completely now.



- Paul
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