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authorChristophe Ricard <christophe.ricard@gmail.com>2014-05-20 22:21:57 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2014-07-23 01:04:31 +0200
commit95f7687b209954a8ec94b4974d14fdff005ebaac (patch)
treedea1cd603283057ca2e6587a3aed413b26861a7a
parent0531107e1cdc4f5254116c1bf972c62fb024a466 (diff)
downloadlinux-95f7687b209954a8ec94b4974d14fdff005ebaac.tar.bz2
NFC: hci: Add stop_poll HCI operand.
stop_poll allows to stop CLF reader polling. Some other operations might be necessary for some CLF to stop polling. For example in card mode. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
-rw-r--r--include/net/nfc/hci.h1
-rw-r--r--net/nfc/hci/core.c7
2 files changed, 6 insertions, 2 deletions
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index 61286db54388..7ee8f4cc610b 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -37,6 +37,7 @@ struct nfc_hci_ops {
int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb);
int (*start_poll) (struct nfc_hci_dev *hdev,
u32 im_protocols, u32 tm_protocols);
+ void (*stop_poll) (struct nfc_hci_dev *hdev);
int (*dep_link_up)(struct nfc_hci_dev *hdev, struct nfc_target *target,
u8 comm_mode, u8 *gb, size_t gb_len);
int (*dep_link_down)(struct nfc_hci_dev *hdev);
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 47403705197e..117708263ced 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -553,8 +553,11 @@ static void hci_stop_poll(struct nfc_dev *nfc_dev)
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
- nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
- NFC_HCI_EVT_END_OPERATION, NULL, 0);
+ if (hdev->ops->stop_poll)
+ hdev->ops->stop_poll(hdev);
+ else
+ nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
+ NFC_HCI_EVT_END_OPERATION, NULL, 0);
}
static int hci_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,