Hi Arron,

FYI, there are new sparse warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-3.0.git nfc-next
head:   f97d5073425f5a5a8113cb3cb2e49f833513a5b6
commit: c17bb5e7c9e8c9775c6d7078eb399529334d5522 [31/34] NFC: Implement HCI DEP send and receive data

Old sparse warnings:

  net/nfc/hci/core.c:223:37: sparse: cast to restricted __be16
  net/nfc/hci/core.c:223:37: sparse: cast to restricted __be16
  net/nfc/hci/core.c:223:37: sparse: cast to restricted __be16
  net/nfc/hci/core.c:223:37: sparse: cast to restricted __be16

vim +653 net/nfc/hci/core.c

c17bb5e7 (Arron Wang    2012-09-27 @653) int hci_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb)
c17bb5e7 (Arron Wang    2012-09-27  654) {
c17bb5e7 (Arron Wang    2012-09-27  655) 	struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
c17bb5e7 (Arron Wang    2012-09-27  656) 
c17bb5e7 (Arron Wang    2012-09-27  657) 	if (hdev->ops->tm_send)
c17bb5e7 (Arron Wang    2012-09-27  658) 		return hdev->ops->tm_send(hdev, skb);
c17bb5e7 (Arron Wang    2012-09-27  659) 	else
c17bb5e7 (Arron Wang    2012-09-27  660) 		return -ENOTSUPP;
c17bb5e7 (Arron Wang    2012-09-27  661) }

Please consider folding the attached diff :-)

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu, Yuanhan Liu                              Intel Corporation