Messages in this thread | | | From | "Madhusudhan" <> | Subject | RE: [PATCH v3] OMAP: Fix for bus width which improves SD card's peformance. | Date | Mon, 5 Apr 2010 12:19:29 -0500 |
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> -----Original Message----- > From: Felipe Balbi [mailto:me@felipebalbi.com] > Sent: Monday, April 05, 2010 11:49 AM > To: kishore kadiyala > Cc: Madhusudhan; Vimal Singh; tony@atomide.com; svenkatr@ti.com; linux- > omap@vger.kernel.org; linux-kernel@vger.kernel.org; > jarkko.lavinen@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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