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authorSamuel Ortiz <sameo@linux.intel.com>2012-05-16 15:55:48 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2012-06-04 21:34:30 +0200
commitbe9ae4ce4ee66e211815122ab4f41913efed4fec (patch)
tree157edfc0f57ab39fe14e1b7f994378da5a91b649 /net/nfc/core.c
parentf212ad5e993e7efb996fc8ce94a5de8f0bd06d41 (diff)
downloadlinux-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.c37
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)