iwl3945: add plcp error checking

Add plcp error checking for 3945. After threshold of plcp
is reached , it resets the radio

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index d661fce..c7c8d8a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -397,7 +397,7 @@
 }
 EXPORT_SYMBOL(iwl_good_plcp_health);
 
-static void iwl_recover_from_statistics(struct iwl_priv *priv,
+void iwl_recover_from_statistics(struct iwl_priv *priv,
 				struct iwl_rx_packet *pkt)
 {
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
@@ -428,6 +428,7 @@
 		}
 	}
 }
+EXPORT_SYMBOL(iwl_recover_from_statistics);
 
 void iwl_rx_statistics(struct iwl_priv *priv,
 			      struct iwl_rx_mem_buffer *rxb)