RE: [PATCH] OMAP3:devices.c: Enabling 4-bit for SD card

["Kumar, Purushotam" <purushotam@xxxxxx>]

Tony,

I updated patch for MMC1 and MMC2 and also refreshed the patch.
I am attaching patch with this mail.

Regards,
Purushotam

> -----Original Message-----
> From: Kumar, Purushotam
> Sent: Wednesday, June 25, 2008 3:34 PM
> To: Tony Lindgren; Purushotam Kumar
> Cc: linux-omap@xxxxxxxxxxxxxxx; Gole, Anant
> Subject: RE: [PATCH] OMAP3:devices.c: Enabling 4-bit for SD card
>
> > -----Original Message-----
> > From: Tony Lindgren [mailto:tony@xxxxxxxxxxx]
> > Sent: Monday, June 23, 2008 6:17 PM
> > To: Purushotam Kumar
> > Cc: linux-omap@xxxxxxxxxxxxxxx; Gole, Anant
> > Subject: Re: [PATCH] OMAP3:devices.c: Enabling 4-bit for SD card
> >
> > * Purushotam Kumar <a0876542@xxxxxxxxxxxx> [080616 16:03]:
> > > OMAP3:devices.c:Enabling 4-bit for SD card
> > >
> > > SD card was working in 1-bit mode.This patch will configure SD card in
> > > 4-bit mode and hence performance  will increase.
> > >
> > > Signed-off-by: Purushotam Kumar <purushotam@xxxxxx>
> > > Acked-by: Madhusudhan Chikkature Rajashekar <madhu.cr@xxxxxx>
> > > ---
> > >  arch/arm/plat-omap/devices.c |    4 +++-
> > >  1 file changed, 3 insertions(+), 1 deletion(-)
> > >
> > > Index: linux-omap-2.6/arch/arm/plat-omap/devices.c
> > > ===================================================================
> > > --- linux-omap-2.6.orig/arch/arm/plat-omap/devices.c
> > > +++ linux-omap-2.6/arch/arm/plat-omap/devices.c
> > > @@ -292,8 +292,10 @@ static void __init omap_init_mmc(void)
> > >       mmc = &mmc_conf->mmc[0];
> > >
> > >       if (cpu_is_omap2430() || cpu_is_omap34xx()) {
> > > -             if (mmc->enabled)
> > > +             if (mmc->enabled) {
> > > +                     mmc1_data.conf = *mmc;
> > >                       (void) platform_device_register(&mmc_omap_device1);
> > > +             }
> > >
> > >  #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
> > >               mmc = &mmc_conf->mmc[1];
> >
> > I guess this should be also done for mmc2_data.conf?
> >
> > Tony
>
> I agree with you that it is required to be done for MMC2 as well.
> Please push this patch for MMC1 and I will submit other patch latter for MMC2.
>
> Regards,
> Purushotam

Attachment: enable_sd_4bit.patch
Description: enable_sd_4bit.patch