NFC: Add NCI data exchange timer

Add NCI data exchange timer to catch timeouts,
and call the data exchange callback with an error.

Signed-off-by: Ilan Elias <ilane@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index f4963ea77947..9154663b606b 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -41,6 +41,7 @@ enum {
         NCI_DISCOVERY,
         NCI_POLL_ACTIVE,
         NCI_DATA_EXCHANGE,
+        NCI_DATA_EXCHANGE_TO,
 };
 
 /* NCI timeouts */
@@ -49,6 +50,7 @@ enum {
 #define NCI_RF_DISC_TIMEOUT                     5000
 #define NCI_RF_DEACTIVATE_TIMEOUT               30000
 #define NCI_CMD_TIMEOUT                         5000
+#define NCI_DATA_TIMEOUT                        700
 
 struct nci_dev;
 
@@ -74,6 +76,7 @@ struct nci_dev {
         atomic_t                credits_cnt;
 
         struct timer_list       cmd_timer;
+        struct timer_list       data_timer;
 
         struct workqueue_struct *cmd_wq;
         struct work_struct      cmd_work;