[v2, 05/11] mmc: add a hs400_tuning flag

[Peng Fan]

> Subject: [v2, 05/11] mmc: add a hs400_tuning flag
> 
> Add a hs400_tuning flag to identify the tuning for HS400 mode.

Why? Please explain a bit more.

Thanks,
Peng.

> 
> Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
> ---
> Changes for v2:
> 	- None.
> ---
>  drivers/mmc/mmc.c | 2 ++
>  include/mmc.h     | 1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index
> a53f93a..a18e75d 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1976,7 +1976,9 @@ static int mmc_select_hs400(struct mmc *mmc)
>  	mmc_set_clock(mmc, mmc->tran_speed, false);
> 
>  	/* execute tuning if needed */
> +	mmc->hs400_tuning = 1;
>  	err = mmc_execute_tuning(mmc,
> MMC_CMD_SEND_TUNING_BLOCK_HS200);
> +	mmc->hs400_tuning = 0;
>  	if (err) {
>  		debug("tuning failed\n");
>  		return err;
> diff --git a/include/mmc.h b/include/mmc.h index 161b8bc..2399cc2 100644
> --- a/include/mmc.h
> +++ b/include/mmc.h
> @@ -707,6 +707,7 @@ struct mmc {
>  				  * accessing the boot partitions
>  				  */
>  	u32 quirks;
> +	u8 hs400_tuning;
>  };
> 
>  struct mmc_hwpart_conf {
> --
> 2.7.4