Hi Gever,

On Wed, Jul 21, 2010 at 9:55 PM, Gabay, Benzy <ben...@ti.com> wrote:
> From: Ohad Ben-Cohen [mailto:o...@wizery.com]
> Sent: Wednesday, July 21, 2010 12:34 PM
> To: linux-wirel...@vger.kernel.org; linux-...@vger.kernel.org; 
> linux-omap@vger.kernel.org
> Cc: linux-arm-ker...@lists.infradead.org; li...@arm.linux.org.uk; Chikkature 
> Rajashekar, Madhusudhan; Luciano Coelho; a...@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 <o...@wizery.com>
> ---
>  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.


Thanks,
Ohad.


>
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