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| author |   Eric Lapuyade <eric.lapuyade@linux.intel.com> | 2012-06-05 14:42:11 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2012-07-09 16:42:12 -0400 |
| commit | a10d595b1074d04446f77161eea165e5809e163c (patch) | |
| tree | 4ba305673685b1602cc4ec66083a7c06a1d0b06e /net/nfc/hci/core.c | |
| parent | NFC: update PN544 HCI driver state when opened/closed (diff) | |
| download | linux-dev-a10d595b1074d04446f77161eea165e5809e163c.tar.xz linux-dev-a10d595b1074d04446f77161eea165e5809e163c.zip | |
NFC: Allow HCI driver to pre-open pipes to some gates
Some NFC chips will statically create and open pipes for both standard
and proprietary gates. The driver can now pass this information to HCI
such that HCI will not attempt to create and open them, but will instead
directly use the passed pipe ids.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/hci/core.c')
| -rw-r--r-- | net/nfc/hci/core.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index e6b2df3981b6..4ccc518f56eb 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -315,15 +315,15 @@ static void nfc_hci_cmd_timeout(unsigned long data) } static int hci_dev_connect_gates(struct nfc_hci_dev *hdev, u8 gate_count, - u8 gates[]) + struct nfc_hci_gate *gates) { int r; - u8 *p = gates; while (gate_count--) { - r = nfc_hci_connect_gate(hdev, NFC_HCI_HOST_CONTROLLER_ID, *p); + r = nfc_hci_connect_gate(hdev, NFC_HCI_HOST_CONTROLLER_ID, + gates->gate, gates->pipe); if (r < 0) return r; - p++; + gates++; } return 0; @@ -333,14 +333,13 @@ static int hci_dev_session_init(struct nfc_hci_dev *hdev) { struct sk_buff *skb = NULL; int r; - u8 hci_gates[] = { /* NFC_HCI_ADMIN_GATE MUST be first */ - NFC_HCI_ADMIN_GATE, NFC_HCI_LOOPBACK_GATE, - NFC_HCI_ID_MGMT_GATE, NFC_HCI_LINK_MGMT_GATE, - NFC_HCI_RF_READER_B_GATE, NFC_HCI_RF_READER_A_GATE - }; + + if (hdev->init_data.gates[0].gate != NFC_HCI_ADMIN_GATE) + return -EPROTO; r = nfc_hci_connect_gate(hdev, NFC_HCI_HOST_CONTROLLER_ID, - NFC_HCI_ADMIN_GATE); + hdev->init_data.gates[0].gate, + hdev->init_data.gates[0].pipe); if (r < 0) goto exit; @@ -368,10 +367,6 @@ static int hci_dev_session_init(struct nfc_hci_dev *hdev) if (r < 0) goto exit; - r = hci_dev_connect_gates(hdev, sizeof(hci_gates), hci_gates); - if (r < 0) - goto disconnect_all; - r = hci_dev_connect_gates(hdev, hdev->init_data.gate_count, hdev->init_data.gates); if (r < 0) |