> -----Original Message-----
> From: Felipe Balbi [mailto:m...@felipebalbi.com]
> Sent: Monday, April 05, 2010 11:49 AM
> To: kishore kadiyala
> Cc: Madhusudhan; Vimal Singh; t...@atomide.com; svenk...@ti.com; linux-
> o...@vger.kernel.org; linux-ker...@vger.kernel.org;
> jarkko.lavi...@nokia.com
> Subject: Re: [PATCH v3] OMAP: Fix for bus width which improves SD card's
> peformance.
> 
> Hi,
> 
> On Mon, Apr 05, 2010 at 06:26:16PM +0530, kishore kadiyala wrote:
> > @@ -2091,9 +2091,9 @@ static int __init omap_hsmmc_probe(struct
> >     mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
> >                  MMC_CAP_WAIT_WHILE_BUSY;
> >
> > -   if (mmc_slot(host).wires >= 8)
> > -           mmc->caps |= MMC_CAP_8_BIT_DATA;
> > -   else if (mmc_slot(host).wires >= 4)
> > +   if (mmc_slot(host).wires == 8)
> > +           mmc->caps |= (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA);
> > +   else if (mmc_slot(host).wires == 4)
> >             mmc->caps |= MMC_CAP_4_BIT_DATA;
> 
> I believe it would be enough to just remove the 'else', so the code
> would look like:
> 
> if (mmc_slot(host).wires >= 8)
>       mmc->caps |= MMC_CAP_8_BIT_DATA;
> if (mmc_slot(host).wires >= 4)

Since the first if command already checks for the 8-bit the second check
like >= 4 is definitely not readable in my opinion.

Functionally do you see anything wrong with this patch??

>       mmc->caps |= MMC_CAP_4_BIT_DATA;
> 
> --
> balbi

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