nci_hci_clear_all_pipes might be use full in some cases for example after
a firmware update.
Signed-off-by: Christophe Ricard <christophe-h.ricard@xxxxxx>
---
include/net/nfc/nci_core.h | 1 +
net/nfc/nci/hci.c | 15 +++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index d0d0f1e..b2f2e04 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -305,6 +305,7 @@ int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx,
const u8 *param, size_t param_len);
int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx,
struct sk_buff **skb);
+int nci_hci_clear_all_pipes(struct nci_dev *ndev);
int nci_hci_dev_session_init(struct nci_dev *ndev);
static inline struct sk_buff *nci_skb_alloc(struct nci_dev *ndev,
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index abe0200..43d7931 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -70,6 +70,7 @@ struct nci_hcp_packet {
#define NCI_HCI_ANY_SET_PARAMETER 0x01
#define NCI_HCI_ANY_GET_PARAMETER 0x02
#define NCI_HCI_ANY_CLOSE_PIPE 0x04
+#define NCI_HCI_ADM_CLEAR_ALL_PIPE 0x14
#define NCI_HFP_NO_CHAINING 0x80
@@ -265,6 +266,20 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,
}
EXPORT_SYMBOL(nci_hci_send_cmd);
+int nci_hci_clear_all_pipes(struct nci_dev *ndev)
+{
+ int r;
+
+ r = nci_hci_send_cmd(ndev, NCI_HCI_ADMIN_GATE,
+ NCI_HCI_ADM_CLEAR_ALL_PIPE, NULL, 0, NULL);
+ if (r < 0)
+ return r;
+
+ nci_hci_reset_pipes(ndev->hci_dev);
+ return r;
+}
+EXPORT_SYMBOL(nci_hci_clear_all_pipes);
+
static void nci_hci_event_received(struct nci_dev *ndev, u8 pipe,
u8 event, struct sk_buff *skb)
{
--
2.1.4
--
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