iwl3945: kill iwl3945_rx_queue_restock

This patch kills iwl3945_rx_queue_restock function on prise of new
hw_params.rx_wrt_ptr_reg which holds per NIC RX write pointer register.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 8efe338..24d818d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1218,7 +1218,7 @@
 
 	/* Look at using this instead:
 	rxq->need_update = 1;
-	iwl3945_rx_queue_update_write_ptr(priv, rxq);
+	iwl_rx_queue_update_write_ptr(priv, rxq);
 	*/
 
 	rc = iwl_grab_nic_access(priv);
@@ -2492,6 +2492,8 @@
 	priv->hw_params.max_stations = IWL3945_STATION_COUNT;
 	priv->hw_params.bcast_sta_id = IWL3945_BROADCAST_ID;
 
+	priv->hw_params.rx_wrt_ptr_reg = FH39_RSCSR_CHNL0_WPTR;
+
 	return 0;
 }