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RE: [PATCH v2 19/20] omap: zoom: keep the MMC3 wl1271 device powered off

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Ohad,

> -----Original Message-----
> From: Ohad Ben-Cohen [mailto:ohad@xxxxxxxxxx]
> Sent: Thursday, July 22, 2010 6:18 PM
> To: Gabay, Benzy
> Cc: linux-wireless@xxxxxxxxxxxxxxx; linux-mmc@xxxxxxxxxxxxxxx; linux-
> omap@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> linux@xxxxxxxxxxxxxxxx; Chikkature Rajashekar, Madhusudhan; Luciano
> Coelho; akpm@xxxxxxxxxxxxxxxxxxxx; San Mehat; Roger Quadros; Tony
> Lindgren; Nicolas Pitre; Pandita, Vikram; Kalle Valo
> Subject: Re: [PATCH v2 19/20] omap: zoom: keep the MMC3 wl1271 device
> powered off
> 
> Hi Gever,
> 
> On Wed, Jul 21, 2010 at 9:55 PM, Gabay, Benzy <benzyg@xxxxxx> wrote:
> > From: Ohad Ben-Cohen [mailto:ohad@xxxxxxxxxx]
> > Sent: Wednesday, July 21, 2010 12:34 PM
> > To: linux-wireless@xxxxxxxxxxxxxxx; linux-mmc@xxxxxxxxxxxxxxx; linux-
> omap@xxxxxxxxxxxxxxx
> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux@xxxxxxxxxxxxxxxx;
> Chikkature Rajashekar, Madhusudhan; Luciano Coelho; akpm@linux-
> foundation.org; San Mehat; Roger Quadros; Tony Lindgren; Nicolas Pitre;
> Pandita, Vikram; Kalle Valo; Ohad Ben-Cohen
> > Subject: [PATCH v2 19/20] omap: zoom: keep the MMC3 wl1271 device
> powered off
> >
> > Keep the MMC3 wl1271 WLAN device powered off until its
> > SDIO function driver requests otherwise.
> >
> > Signed-off-by: Ohad Ben-Cohen <ohad@xxxxxxxxxx>
> > ---
> >  arch/arm/mach-omap2/board-zoom-peripherals.c |    1 +
> >  arch/arm/mach-omap2/hsmmc.c                  |    3 +++
> >  arch/arm/mach-omap2/hsmmc.h                  |    1 +
> >  arch/arm/plat-omap/include/plat/mmc.h        |    3 +++
> >  drivers/mmc/host/omap_hsmmc.c                |    3 +++
> >  5 files changed, 11 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c
> b/arch/arm/mach-omap2/board-zoom-peripherals.c
> > index 3230801..3ab9125 100644
> > --- a/arch/arm/mach-omap2/board-zoom-peripherals.c
> > +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
> > @@ -217,6 +217,7 @@ static struct omap2_hsmmc_info mmc[] __initdata =
> {
> >                .gpio_wp        = -EINVAL,
> >                .gpio_cd        = -EINVAL,
> >                .ocr_mask       = MMC_VDD_165_195,
> > +               .dont_power_card = true,
> >                .priv_data      = &omap_zoom_wlan_data,
> >        },
> >        {}      /* Terminator */
> ...
> > --
> > 1.7.0.4
> >
> > [Benzy Gabay] small comment: Please make sure that all 127x related
> changes are not bounded only to MMC3.
> > On OMAP4 WLAN is used on MMC5.
> 
> 
> The only place MMC3 is bound is in the board files (see code snippet
> above), so that should be ok.
> 
> I can probably split this patch to make this more obvious just by
> reading the diffstat if you prefer.


Yep. That will be great.

Benzy


> 
> 
> Thanks,
> Ohad.
> 
> 
> >
--
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