Add a hs400_tuning flag to identify the tuning for HS400 mode.

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

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