NFC: mei_phy: Register event callback when enabling the device

The callback registration starts a waiting read, so it needs to be fired
everytime the device is enabled. Otherwise following writes will never get
an answer back.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 5 insertions, 13 deletions

diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index 1ad044dce7b6..51d44fb18be9 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -43,24 +43,16 @@ static int microread_mei_probe(struct mei_cl_device *device,
                 return -ENOMEM;
         }
 
-        r = mei_cl_register_event_cb(device, nfc_mei_event_cb, phy);
-        if (r) {
-                pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
-                goto err_out;
-        }
-
         r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
                             MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
                             &phy->hdev);
-        if (r < 0)
-                goto err_out;
-
-        return 0;
+        if (r < 0) {
+                nfc_mei_phy_free(phy);
 
-err_out:
-        nfc_mei_phy_free(phy);
+                return r;
+        }
 
-        return r;
+        return 0;
 }
 
 static int microread_mei_remove(struct mei_cl_device *device)