NFC: nci: Update nci_enable_se to run proprietary commands to enable a secure element

Some NFC controller using NCI protocols may need a proprietary commands
flow to enable a secure element

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

include/net/nfc/nci_core.h

@@ -73,6 +73,7 @@ struct nci_ops {
 	int   (*setup)(struct nci_dev *ndev);
 	__u32 (*get_rfprotocol)(struct nci_dev *ndev, __u8 rf_protocol);
 	int   (*discover_se)(struct nci_dev *ndev);
+	int   (*enable_se)(struct nci_dev *ndev, u32 se_idx);
 };
 
 #define NCI_MAX_SUPPORTED_RF_INTERFACES		4

net/nfc/nci/core.c

@@ -746,6 +746,11 @@ static int nci_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb)
 
 static int nci_enable_se(struct nfc_dev *nfc_dev, u32 se_idx)
 {
+	struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
+
+	if (ndev->ops->enable_se)
+		return ndev->ops->enable_se(ndev, se_idx);
+
 	return 0;
 }