Commit 456411ca authored by Eric Lapuyade's avatar Eric Lapuyade Committed by John W. Linville
Browse files

NFC: Driver failure API 



This API should be used by drivers, HCI, SHDLC or NCI stacks to report an
unrecoverable error.

Signed-off-by: default avatarEric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 6c1c5b9e

include/net/nfc/nfc.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */

net/nfc/core.c

+10 −0
Original line number Diff line number Diff line
@@ -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);