NFC: Implement HCI DEP link up and down

And implement the corresponding hooks for pn544.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 052a0a27ac1a..777deb84aa73 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -546,6 +546,28 @@ static void hci_stop_poll(struct nfc_dev *nfc_dev)
                            NFC_HCI_EVT_END_OPERATION, NULL, 0);
 }
 
+static int hci_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
+                                __u8 comm_mode, __u8 *gb, size_t gb_len)
+{
+        struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+        if (hdev->ops->dep_link_up)
+                return hdev->ops->dep_link_up(hdev, target, comm_mode,
+                                                gb, gb_len);
+
+        return 0;
+}
+
+static int hci_dep_link_down(struct nfc_dev *nfc_dev)
+{
+        struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
+
+        if (hdev->ops->dep_link_down)
+                return hdev->ops->dep_link_down(hdev);
+
+        return 0;
+}
+
 static int hci_activate_target(struct nfc_dev *nfc_dev,
                                struct nfc_target *target, u32 protocol)
 {
@@ -731,6 +753,8 @@ static struct nfc_ops hci_nfc_ops = {
         .dev_down = hci_dev_down,
         .start_poll = hci_start_poll,
         .stop_poll = hci_stop_poll,
+        .dep_link_up = hci_dep_link_up,
+        .dep_link_down = hci_dep_link_down,
         .activate_target = hci_activate_target,
         .deactivate_target = hci_deactivate_target,
         .im_transceive = hci_transceive,