[U-Boot] [PATCH] mmc: set rca to 1 for MMC cards

Jaehoon Chung jh80.chung at samsung.com
Tue Feb 4 02:04:36 CET 2014


Acked-by: Jaehoon Chung <jh80.chung at samsung.com>

On 01/31/2014 08:11 AM, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> 
> U-Boot currently sets MMC cards' RCA register to 0. This value is
> reserved according to the specification. Use a value of 1 instead, just
> like the Linux kernel.
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
>  drivers/mmc/mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index c6a1c23fbf1c..7efc2bedbe11 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -430,7 +430,7 @@ int mmc_complete_op_cond(struct mmc *mmc)
>  	mmc->ocr = cmd.response[0];
>  
>  	mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS);
> -	mmc->rca = 0;
> +	mmc->rca = 1;
>  
>  	return 0;
>  }
> 



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