diff options
| author | Christophe Ricard <christophe.ricard@gmail.com> | 2014-05-14 00:03:41 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2014-05-20 02:48:06 +0400 |
| commit | a779b8878c20a5cafff26d774eed4d36a903882a (patch) | |
| tree | 29a9e844aab930612815c7298fc8f36864e7f637 /drivers/nfc | |
| parent | f517a5f370de4171afe1487d67345d7eef1f1822 (diff) | |
| download | linux-a779b8878c20a5cafff26d774eed4d36a903882a.tar.xz | |
NFC: st21nfca: Improve load_session
In case anybody uses previous patchset with the CLF, add a check to make sure
missing pipe are created.
st21nfca returns its pipe list in the creation order (most recent latest).
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/st21nfca/st21nfca.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/nfc/st21nfca/st21nfca.c b/drivers/nfc/st21nfca/st21nfca.c index 201a3eacbc9d..d9ee3d0c1a78 100644 --- a/drivers/nfc/st21nfca/st21nfca.c +++ b/drivers/nfc/st21nfca/st21nfca.c @@ -61,10 +61,10 @@ static DECLARE_BITMAP(dev_mask, ST21NFCA_NUM_DEVICES); static struct nfc_hci_gate st21nfca_gates[] = { - {NFC_HCI_ADMIN_GATE, NFC_HCI_INVALID_PIPE}, + {NFC_HCI_ADMIN_GATE, NFC_HCI_ADMIN_PIPE}, {NFC_HCI_LOOPBACK_GATE, NFC_HCI_INVALID_PIPE}, {NFC_HCI_ID_MGMT_GATE, NFC_HCI_INVALID_PIPE}, - {NFC_HCI_LINK_MGMT_GATE, NFC_HCI_INVALID_PIPE}, + {NFC_HCI_LINK_MGMT_GATE, NFC_HCI_LINK_MGMT_PIPE}, {NFC_HCI_RF_READER_B_GATE, NFC_HCI_INVALID_PIPE}, {NFC_HCI_RF_READER_A_GATE, NFC_HCI_INVALID_PIPE}, {ST21NFCA_DEVICE_MGNT_GATE, ST21NFCA_DEVICE_MGNT_PIPE}, @@ -170,6 +170,23 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) st21nfca_gates[j].pipe; } } + + /* + * 3 gates have a well known pipe ID. + * They will never appear in the pipe list + */ + if (skb_pipe_list->len + 3 < ARRAY_SIZE(st21nfca_gates)) { + for (i = skb_pipe_list->len + 3; + i < ARRAY_SIZE(st21nfca_gates); i++) { + r = nfc_hci_connect_gate(hdev, + NFC_HCI_HOST_CONTROLLER_ID, + st21nfca_gates[i].gate, + st21nfca_gates[i].pipe); + if (r < 0) + goto free_info; + } + } + memcpy(hdev->init_data.gates, st21nfca_gates, sizeof(st21nfca_gates)); free_info: kfree_skb(skb_pipe_info); |