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| author | Eric Lapuyade <eric.lapuyade@linux.intel.com> | 2012-12-18 14:15:49 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-01-10 00:51:51 +0100 |
| commit | bf71ab8ba53081c28b960d48e0c4cd1c17588aa6 (patch) | |
| tree | fb6444f45ac21850fa5b7bed05fb19a93b4ee313 /net | |
| parent | 924d4a023ee6da2e40c78578829e68bcbabee2dd (diff) | |
| download | lwn-bf71ab8ba53081c28b960d48e0c4cd1c17588aa6.tar.gz lwn-bf71ab8ba53081c28b960d48e0c4cd1c17588aa6.zip | |
NFC: Add HCI quirks to support driver (non)standard implementations
Some chips diverge from the HCI spec in their implementation of standard
features. This adds a new quirks parameter to
nfc_hci_allocate_device() to let the driver indicate its divergence.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/nfc/hci/command.c | 7 | ||||
| -rw-r--r-- | net/nfc/hci/core.c | 3 |
2 files changed, 9 insertions, 1 deletions
diff --git a/net/nfc/hci/command.c b/net/nfc/hci/command.c index 7d99410e6c1a..64f922be9281 100644 --- a/net/nfc/hci/command.c +++ b/net/nfc/hci/command.c @@ -280,14 +280,19 @@ static int nfc_hci_delete_pipe(struct nfc_hci_dev *hdev, u8 pipe) static int nfc_hci_clear_all_pipes(struct nfc_hci_dev *hdev) { u8 param[2]; + size_t param_len = 2; /* TODO: Find out what the identity reference data is * and fill param with it. HCI spec 6.1.3.5 */ pr_debug("\n"); + if (test_bit(NFC_HCI_QUIRK_SHORT_CLEAR, &hdev->quirks)) + param_len = 0; + return nfc_hci_execute_cmd(hdev, NFC_HCI_ADMIN_PIPE, - NFC_HCI_ADM_CLEAR_ALL_PIPE, param, 2, NULL); + NFC_HCI_ADM_CLEAR_ALL_PIPE, param, param_len, + NULL); } int nfc_hci_disconnect_gate(struct nfc_hci_dev *hdev, u8 gate) diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index d9190da4a403..755a6b9774ab 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -795,6 +795,7 @@ static struct nfc_ops hci_nfc_ops = { struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops, struct nfc_hci_init_data *init_data, + unsigned long quirks, u32 protocols, const char *llc_name, int tx_headroom, @@ -838,6 +839,8 @@ struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops, memset(hdev->gate2pipe, NFC_HCI_INVALID_PIPE, sizeof(hdev->gate2pipe)); + hdev->quirks = quirks; + return hdev; } EXPORT_SYMBOL(nfc_hci_allocate_device); |