diff options
| author | Samuel Ortiz <sameo@linux.intel.com> | 2012-05-16 15:55:48 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-06-04 21:34:30 +0200 |
| commit | be9ae4ce4ee66e211815122ab4f41913efed4fec (patch) | |
| tree | 157edfc0f57ab39fe14e1b7f994378da5a91b649 /net/nfc/core.c | |
| parent | f212ad5e993e7efb996fc8ce94a5de8f0bd06d41 (diff) | |
| download | linux-be9ae4ce4ee66e211815122ab4f41913efed4fec.tar.bz2 | |
NFC: Introduce target mode tx ops
And rename the initiator mode data exchange ops for consistency sake.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/core.c')
| -rw-r--r-- | net/nfc/core.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/net/nfc/core.c b/net/nfc/core.c index 722a0c76c669..76c1e207d297 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -413,27 +413,30 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, goto error; } - if (dev->active_target == NULL) { - rc = -ENOTCONN; - kfree_skb(skb); - goto error; - } + if (dev->rf_mode == NFC_RF_INITIATOR && dev->active_target != NULL) { + if (dev->active_target->idx != target_idx) { + rc = -EADDRNOTAVAIL; + kfree_skb(skb); + goto error; + } - if (dev->active_target->idx != target_idx) { - rc = -EADDRNOTAVAIL; + if (dev->ops->check_presence) + del_timer_sync(&dev->check_pres_timer); + + rc = dev->ops->im_transceive(dev, dev->active_target, skb, cb, + cb_context); + + if (!rc && dev->ops->check_presence) + mod_timer(&dev->check_pres_timer, jiffies + + msecs_to_jiffies(NFC_CHECK_PRES_FREQ_MS)); + } else if (dev->rf_mode == NFC_RF_TARGET && dev->ops->tm_send != NULL) { + rc = dev->ops->tm_send(dev, skb); + } else { + rc = -ENOTCONN; kfree_skb(skb); goto error; } - if (dev->ops->check_presence) - del_timer_sync(&dev->check_pres_timer); - - rc = dev->ops->data_exchange(dev, dev->active_target, skb, cb, - cb_context); - - if (!rc && dev->ops->check_presence) - mod_timer(&dev->check_pres_timer, jiffies + - msecs_to_jiffies(NFC_CHECK_PRES_FREQ_MS)); error: device_unlock(&dev->dev); @@ -727,7 +730,7 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops, struct nfc_dev *dev; if (!ops->start_poll || !ops->stop_poll || !ops->activate_target || - !ops->deactivate_target || !ops->data_exchange) + !ops->deactivate_target || !ops->im_transceive) return NULL; if (!supported_protocols) |