NFC: pn533: Dump tx and rx data in debug mode

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 91e1594dfd13..b445f0339e03 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -542,6 +542,9 @@ static void pn533_recv_response(struct urb *urb)
 
         in_frame = dev->in_urb->transfer_buffer;
 
+        print_hex_dump(KERN_DEBUG, "PN533 RX: ", DUMP_PREFIX_NONE, 16, 1,
+                       in_frame, PN533_FRAME_SIZE(in_frame), false);
+
         if (!pn533_rx_frame_is_valid(in_frame)) {
                 nfc_dev_err(&dev->interface->dev, "Received an invalid frame");
                 dev->wq_in_error = -EIO;
@@ -664,6 +667,9 @@ static int __pn533_send_cmd_frame_async(struct pn533 *dev,
         dev->in_urb->transfer_buffer = in_frame;
         dev->in_urb->transfer_buffer_length = in_frame_len;
 
+        print_hex_dump(KERN_DEBUG, "PN533 TX: ", DUMP_PREFIX_NONE, 16, 1,
+                       out_frame, PN533_FRAME_SIZE(out_frame), false);
+
         rc = usb_submit_urb(dev->out_urb, GFP_KERNEL);
         if (rc)
                 return rc;