mmc: Add a execute_tuning() callback to the mmc operations.
Tuning is a mandatory step in the initialization of SDR104 and HS200 modes.
This callback execute the tuning process.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 9c6a8ba..60cc0ac 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -92,6 +92,20 @@
return dm_mmc_get_cd(mmc->dev);
}
+int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
+{
+ struct dm_mmc_ops *ops = mmc_get_ops(dev);
+
+ if (!ops->execute_tuning)
+ return -ENOSYS;
+ return ops->execute_tuning(dev, opcode);
+}
+
+int mmc_execute_tuning(struct mmc *mmc, uint opcode)
+{
+ return dm_mmc_execute_tuning(mmc->dev, opcode);
+}
+
struct mmc *mmc_get_mmc_dev(struct udevice *dev)
{
struct mmc_uclass_priv *upriv;
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index be68d8d..b06e4bc 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1199,6 +1199,11 @@
}
#if !CONFIG_IS_ENABLED(DM_MMC)
+static int mmc_execute_tuning(struct mmc *mmc, uint opcode)
+{
+ return -ENOTSUPP;
+}
+
static void mmc_send_init_stream(struct mmc *mmc)
{
}