[PATCH] mci: core: add partitioning_completed device parameter

[Marco Felsch <m.felsch@pengutronix.de>]

Add mmcX.partitioning_completed parameter so it can be queried by
scripts and board code.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 drivers/mci/mci-core.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index 70e367997763..d20db925876e 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -1968,6 +1968,22 @@ static int of_broken_cd_fixup(struct device_node *root, void *ctx)
 	return 0;
 }
 
+static int mci_get_partition_setting_completed(struct mci *mci)
+{
+	u8 *ext_csd;
+	int ret;
+
+	ext_csd = mci_get_ext_csd(mci);
+	if (IS_ERR(ext_csd))
+		return PTR_ERR(ext_csd);
+
+	ret = ext_csd[EXT_CSD_PARTITION_SETTING_COMPLETED];
+
+	free(ext_csd);
+
+	return ret;
+}
+
 /**
  * Probe an MCI card at the given host interface
  * @param mci MCI device instance
@@ -2079,6 +2095,13 @@ static int mci_card_probe(struct mci *mci)
 			dev_add_param_bool(&mci->dev, "boot_ack",
 					   mci_set_boot_ack, NULL,
 					   &mci->boot_ack_enable, mci);
+
+		ret = mci_get_partition_setting_completed(mci);
+		if (ret < 0)
+			dev_dbg(&mci->dev,
+				"Failed to determine EXT_CSD_PARTITION_SETTING_COMPLETED\n");
+		else
+			dev_add_param_bool_fixed(&mci->dev, "partitioning_completed", ret);
 	}
 
 	dev_dbg(&mci->dev, "SD Card successfully added\n");
-- 
2.39.2