[U-Boot] [PATCH] mmc: fix ERASE_GRP_DEF handling

[Jaehoon Chung <jh80.chung@samsung.com>]

Hi, Hannes.

On 08/08/2014 04:47 PM, Hannes Petermaier wrote:
> if we set manually this bit on the eMMC card using mmc_switch(...),
> we also have to set it within our (before read) internal structure
> 'ext_csd'.
> 
> Otherwise following checks on this will fail.
> 
> Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
> ---
>  drivers/mmc/mmc.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index a26f3ce..52a8e36 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1010,6 +1010,8 @@ static int mmc_startup(struct mmc *mmc)
>  
>  			if (err)
>  				return err;
> +			else
> +				ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1;
When is this value read?
If i'm right, you means that it has to set before comparing with test_csd, right?
It's reasonable, but i'm not sure that hard-coding is right.

Best Regards,
Jaehoon Chung

>  
>  			/* Read out group size from ext_csd */
>  			mmc->erase_grp_size =
>