Re: MMC: card test driver should not be builtin with other cardsupport

[Ben Dooks]

On Fri, Jun 20, 2008 at 11:58:02AM +0100, ben@xxxxxxxxxxxx wrote:
> The mmc test driver and mmc block driver will attempt to bind
> to any card present in the system, which means only one of these
> drivers will end up with the card. If either one of these is selected
> as builtin, ensure the other does not get built.
> 
> Signed-off-by: Ben Dooks <ben-linux@xxxxxxxxx>
> 
> Index: linux-2.6.26-rc6-sdmmc3/drivers/mmc/card/Kconfig
> ===================================================================
> --- linux-2.6.26-rc6-sdmmc3.orig/drivers/mmc/card/Kconfig	2008-06-20 11:53:08.000000000 +0100
> +++ linux-2.6.26-rc6-sdmmc3/drivers/mmc/card/Kconfig	2008-06-20 11:53:29.000000000 +0100
> @@ -6,7 +6,7 @@ comment "MMC/SD Card Drivers"
>  
>  config MMC_BLOCK
>  	tristate "MMC block device driver"
> -	depends on BLOCK
> +	depends on BLOCK && MMC_TEST != y
>  	default y
>  	help
>  	  Say Y here to enable the MMC block device driver support.
> @@ -42,6 +42,7 @@ config SDIO_UART
>  config MMC_TEST
>  	tristate "MMC host test driver"
>  	default n
> +	depends on MMC_BLOCK != y
>  	help
>  	  Development driver that performs a series of reads and writes
>  	  to a memory card in order to expose certain well known bugs

This is what I would have liked to have done in Kconfig, but of course
the system fails with a circular dependency error. Is there any way
to get this done without some horrible hacks?

-- 
Ben (ben@xxxxxxxxx, http://www.fluff.org/)

  'a smiley only costs 4 bytes'
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