[U-Boot] [PATCH v2 1/5] sunxi: Add mmc card-detect functionality

[Ian Campbell <ijc@hellion.org.uk>]

On Mon, 2014-10-06 at 19:57 +0200, Hans de Goede wrote:
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

I presume that adding GPIO support to SPL isn't a problem size wise?

> ---
>  board/sunxi/Kconfig            | 26 ++++++++++++++++++++++++++
>  drivers/mmc/sunxi_mmc.c        | 21 +++++++++++++++++++++
>  include/configs/sunxi-common.h |  1 +
>  3 files changed, 48 insertions(+)
> 
> diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
> index 622f7b4..497b093 100644
> --- a/board/sunxi/Kconfig
> +++ b/board/sunxi/Kconfig
> @@ -32,4 +32,30 @@ config USB_KEYBOARD
>  	Say Y here to add support for using a USB keyboard (typically used
>  	in combination with a graphical console on HDMI).
>  
> +config MMC0_CD_PIN
> +	string "Card detect pin for mmc0"
> +	default ""
> +	---help---
> +	Set the card detect pin for mmc0, leave empty to not use cd.

sunxi_name_to_gpio() doesn't handle the empty string directly, but I
think it will do the right thing (i.e. return -1) via a more or less
convoluted path. Did you check this?

Assuming you have then: Acked-by: Ian Campbell <ijc@hellion.org.uk>

Ian.