[U-Boot] [PATCH 8/9] ums: always initialize mmc before ums_disk_init()

Lukasz Majewski l.majewski at samsung.com
Mon Jan 13 11:16:55 CET 2014


Hi Mateusz,

> In some cases MMC was still uninitialized while media capacity check,
> leading to broken ums command.
> 
> Change-Id: I4b86c2c59e430fb8b55272ea14f00316d8cb3dca
> Signed-off-by: Mateusz Zalega <m.zalega at samsung.com>
> Cc: Lukasz Majewski <l.majewski at samsung.com>
> Cc: Minkyu Kang <mk7.kang at samsung.com>
> Cc: Kyungmin Park <kyungmin.park at samsung.com>
> ---
>  board/samsung/common/ums.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/board/samsung/common/ums.c b/board/samsung/common/ums.c
> index dc155ad..0d8f30d 100644
> --- a/board/samsung/common/ums.c
> +++ b/board/samsung/common/ums.c
> @@ -37,6 +37,9 @@ static struct ums ums_dev = {
>  
>  static struct ums *ums_disk_init(struct mmc *mmc)
>  {
> +	if (mmc_init(mmc))
> +		return NULL;
> +
>  	uint64_t mmc_end_sector = mmc->capacity / SECTOR_SIZE;
>  	uint64_t ums_end_sector = UMS_NUM_SECTORS + UMS_START_SECTOR;
>  

Tested-by: Lukasz Majewski <l.majewski at samsung.com>

Tested at: Exynos4210 - TRATS.

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group


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