NFC: Driver failure API
This API should be used by drivers, HCI, SHDLC or NCI stacks to report an
unrecoverable error.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 180964b..6431f5e 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -204,4 +204,6 @@
int nfc_tm_deactivated(struct nfc_dev *dev);
int nfc_tm_data_received(struct nfc_dev *dev, struct sk_buff *skb);
+void nfc_driver_failure(struct nfc_dev *dev, int err);
+
#endif /* __NET_NFC_H */
diff --git a/net/nfc/core.c b/net/nfc/core.c
index 4177bb5..32f2832 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -651,6 +651,16 @@
}
EXPORT_SYMBOL(nfc_target_lost);
+void nfc_driver_failure(struct nfc_dev *dev, int err)
+{
+ /*
+ * TODO: if polling is active, send empty target_found
+ * or else do whatever makes sense to let user space
+ * know this device needs to be closed and reinitialized.
+ */
+}
+EXPORT_SYMBOL(nfc_driver_failure);
+
static void nfc_release(struct device *d)
{
struct nfc_dev *dev = to_nfc_dev(d);