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[07/33] NFC: Driver failure API

Message ID 1341605393-32056-8-git-send-email-sameo@linux.intel.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Samuel Ortiz July 6, 2012, 8:09 p.m. UTC 
From: Eric Lapuyade <eric.lapuyade@intel.com>

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>
---
 include/net/nfc/nfc.h |    2 ++
 net/nfc/core.c        |   10 ++++++++++
 2 files changed, 12 insertions(+)
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Patch

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_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode,
 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 @@  int nfc_target_lost(struct nfc_dev *dev, u32 target_idx)
 }
 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);