Re: [PATCH 1/7] mmc: core add the property for hs200

[Arnd Bergmann <arnd@arndb.de>]

On Tuesday 21 January 2014 19:16:54 Jaehoon Chung wrote:
> caps2-mmc-hs200-1.8v and caps2-mmc-hs200-1.2v can be used to the general capability.
> 
> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
> ---
>  drivers/mmc/core/host.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
> index 49bc403..96ac4c1 100644
> --- a/drivers/mmc/core/host.c
> +++ b/drivers/mmc/core/host.c
> @@ -429,6 +429,10 @@ int mmc_of_parse(struct mmc_host *host)
>                 host->pm_caps |= MMC_PM_KEEP_POWER;
>         if (of_find_property(np, "enable-sdio-wakeup", &len))
>                 host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
> +       if (of_find_property(np, "caps2-mmc-hs200-1_8v", NULL))
> +               host->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
> +       if (of_find_property(np, "caps2-mmc-hs200-1_2v", NULL))
> +               host->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
>  
>         return 0;

If we do this, the strings also need to be documented in 
bindings/mmc/mmc.txt.

Unfortunately, the names are not particularly intuitive (the caps2
part in particular), but it's probably better to stick with that
now.

	Arnd