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NFC: nci: add nci_hci_clear_all_pipes functions 

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@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Christophe Ricard 2015-10-25 22:54:23 +01:00 committed by Samuel Ortiz
parent e65917b6d5
commit fa6fbadea5
2 changed files with 16 additions and 0 deletions
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1
include/net/nfc/nci_core.h
View File

@ -309,6 +309,7 @@ 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,

15
net/nfc/nci/hci.c
View File

@ -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
@ -267,6 +268,20 @@ 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)
{