3 files changed, 58 insertions, 0 deletions

diff --git a/net/nfc/core.c b/net/nfc/core.c
index 334954a1d6e8..a43a56d7f4be 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -126,6 +126,13 @@ int nfc_dev_up(struct nfc_dev *dev)
 	if (!rc)
 		dev->dev_up = true;
 
+	/* We have to enable the device before discovering SEs */
+	if (dev->ops->discover_se) {
+		rc = dev->ops->discover_se(dev);
+		if (!rc)
+			pr_warn("SE discovery failed\n");
+	}
+
 error:
 	device_unlock(&dev->dev);
 	return rc;
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 9c8a63d341d3..7b1c186736eb 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -692,6 +692,36 @@ static int hci_check_presence(struct nfc_dev *nfc_dev,
 	return hdev->ops->check_presence(hdev, target);
 }
 
+static int hci_discover_se(struct nfc_dev *nfc_dev)
+{
+	struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+	if (hdev->ops->discover_se)
+		return hdev->ops->discover_se(hdev);
+
+	return 0;
+}
+
+static int hci_enable_se(struct nfc_dev *nfc_dev, u32 se_idx)
+{
+	struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+	if (hdev->ops->enable_se)
+		return hdev->ops->enable_se(hdev, se_idx);
+
+	return 0;
+}
+
+static int hci_disable_se(struct nfc_dev *nfc_dev, u32 se_idx)
+{
+	struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+	if (hdev->ops->disable_se)
+		return hdev->ops->enable_se(hdev, se_idx);
+
+	return 0;
+}
+
 static void nfc_hci_failure(struct nfc_hci_dev *hdev, int err)
 {
 	mutex_lock(&hdev->msg_tx_mutex);
@@ -802,6 +832,9 @@ static struct nfc_ops hci_nfc_ops = {
 	.tm_send = hci_tm_send,
 	.check_presence = hci_check_presence,
 	.fw_upload = hci_fw_upload,
+	.discover_se = hci_discover_se,
+	.enable_se = hci_enable_se,
+	.disable_se = hci_disable_se,
 };
 
 struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops,
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 145bad15e113..b943d46a1644 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -636,6 +636,21 @@ static int nci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target,
 	return rc;
 }
 
+static int nci_enable_se(struct nfc_dev *nfc_dev, u32 se_idx)
+{
+	return 0;
+}
+
+static int nci_disable_se(struct nfc_dev *nfc_dev, u32 se_idx)
+{
+	return 0;
+}
+
+static int nci_discover_se(struct nfc_dev *nfc_dev)
+{
+	return 0;
+}
+
 static struct nfc_ops nci_nfc_ops = {
 	.dev_up = nci_dev_up,
 	.dev_down = nci_dev_down,
@@ -646,6 +661,9 @@ static struct nfc_ops nci_nfc_ops = {
 	.activate_target = nci_activate_target,
 	.deactivate_target = nci_deactivate_target,
 	.im_transceive = nci_transceive,
+	.enable_se = nci_enable_se,
+	.disable_se = nci_disable_se,
+	.discover_se = nci_discover_se,
 };
 
 /* ---- Interface to NCI drivers ---- */