[U-Boot] [PATCH v3 03/11] board:samsung: check the boot device and init the right mmc driver.

[Minkyu Kang]

Dear Przemyslaw Marczak,

On 26/06/14 23:15, Przemyslaw Marczak wrote:
> It is possible to boot device using a micro SD or eMMC slots.
> In this situation, boot device should be registered as a block
> device 0 in the MMC framework, because CONFIG_SYS_MMC_ENV_DEV
> is usually set to "0" in the most config cases.
> 
> Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
> ---
> Changes V3:
> - separate two changes into two commits
> ---
>  board/samsung/common/board.c | 24 +++++++++++++++++-------
>  1 file changed, 17 insertions(+), 7 deletions(-)
> 
> diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c
> index ecf3f76..f07a900 100644
> --- a/board/samsung/common/board.c
> +++ b/board/samsung/common/board.c
> @@ -251,18 +251,28 @@ int board_mmc_init(bd_t *bis)
>  {
>  	int ret;
>  
> +	if (boot_device() == BOOT_DEVICE_SDMMC) {
> +#ifdef CONFIG_SDHCI
> +		/* mmc initializattion for available channels */
> +		ret = exynos_mmc_init(gd->fdt_blob);
> +#endif
>  #ifdef CONFIG_DWMMC
> -	/* dwmmc initializattion for available channels */
> -	ret = exynos_dwmmc_init(gd->fdt_blob);
> -	if (ret)
> -		debug("dwmmc init failed\n");
> +		/* dwmmc initializattion for available channels */
> +		ret = exynos_dwmmc_init(gd->fdt_blob);
> +#endif
> +	} else {
> +#ifdef CONFIG_DWMMC
> +		/* dwmmc initializattion for available channels */
> +		ret = exynos_dwmmc_init(gd->fdt_blob);
>  #endif
>  #ifdef CONFIG_SDHCI
> -	/* mmc initializattion for available channels */
> -	ret = exynos_mmc_init(gd->fdt_blob);
> +		/* mmc initializattion for available channels */
> +		ret = exynos_mmc_init(gd->fdt_blob);
> +#endif
> +	}
> +

It looks little confused.
Could you please re-arrange this code like this?

#ifdef CONFIG_SDHCI
	if (boot....) {

	} else {

	}
#endif

#ifdef CONFIG_DWMMC
	if (boot....) {

	} else {

	}
#endif

Thanks,
Minkyu Kang.