> 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...@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
