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NFC: Driver failure API

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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>
This commit is contained in:
Eric Lapuyade 2012-06-11 13:49:51 +02:00 committed by John W. Linville
parent 6c1c5b9e1d
commit 456411ca81
2 changed files with 12 additions and 0 deletions
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2
include/net/nfc/nfc.h
View File

@ -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_deactivated(struct nfc_dev *dev);
int nfc_tm_data_received(struct nfc_dev *dev, struct sk_buff *skb); 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 */ #endif /* __NET_NFC_H */

10
net/nfc/core.c
View File

@ -651,6 +651,16 @@ int nfc_target_lost(struct nfc_dev *dev, u32 target_idx)
} }
EXPORT_SYMBOL(nfc_target_lost); 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) static void nfc_release(struct device *d)
{ {
struct nfc_dev *dev = to_nfc_dev(d); struct nfc_dev *dev = to_nfc_dev(d);