Set generic mmc->tuning flag when performing tuning to indicate
this condition to drivers. Drivers may use this to bypass various
checks during tuning.

Signed-off-by: Marek Vasut <[email protected]>
---
Cc: Hai Pham <[email protected]>
Cc: Jaehoon Chung <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Cc: Paul Barker <[email protected]>
Cc: Peng Fan <[email protected]>
Cc: Sean Anderson <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Yoshihiro Shimoda <[email protected]>
---
V2: Use bool var:1;
---
 drivers/mmc/mmc-uclass.c | 8 +++++++-
 include/mmc.h            | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 328456831dd..304bd5eaee2 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -124,7 +124,13 @@ static int dm_mmc_execute_tuning(struct udevice *dev, uint 
opcode)
 
 int mmc_execute_tuning(struct mmc *mmc, uint opcode)
 {
-       return dm_mmc_execute_tuning(mmc->dev, opcode);
+       int ret;
+
+       mmc->tuning = true;
+       ret = dm_mmc_execute_tuning(mmc->dev, opcode);
+       mmc->tuning = false;
+
+       return ret;
 }
 #endif
 
diff --git a/include/mmc.h b/include/mmc.h
index afca123b386..5c1be5c5b1e 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -736,6 +736,7 @@ struct mmc {
                                  * accessing the boot partitions
                                  */
        u32 quirks;
+       bool tuning:1;
        bool hs400_tuning:1;
 
        enum bus_mode user_speed_mode; /* input speed mode from user */
-- 
2.43.0

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