iwlwifi: Delete iwl3945_good_plcp_health.

Fixes this build warning:

drivers/net/wireless/iwlwifi/iwl-3945.c:411:13: warning: 'iwl3945_good_plcp_health' defined but not used

As per Johannes Berg.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 3eb14fd..39b6f16 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -402,72 +402,6 @@ static void iwl3945_accumulative_statistics(struct iwl_priv *priv,
 }
 #endif
 
-/**
- * iwl3945_good_plcp_health - checks for plcp error.
- *
- * When the plcp error is exceeding the thresholds, reset the radio
- * to improve the throughput.
- */
-static bool iwl3945_good_plcp_health(struct iwl_priv *priv,
-                               struct iwl_rx_packet *pkt)
-{
-       bool rc = true;
-       struct iwl3945_notif_statistics current_stat;
-       int combined_plcp_delta;
-       unsigned int plcp_msec;
-       unsigned long plcp_received_jiffies;
-
-       if (priv->cfg->base_params->plcp_delta_threshold ==
-           IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) {
-               IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n");
-               return rc;
-       }
-       memcpy(&current_stat, pkt->u.raw, sizeof(struct
-                       iwl3945_notif_statistics));
-       /*
-        * check for plcp_err and trigger radio reset if it exceeds
-        * the plcp error threshold plcp_delta.
-        */
-       plcp_received_jiffies = jiffies;
-       plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies -
-                                       (long) priv->plcp_jiffies);
-       priv->plcp_jiffies = plcp_received_jiffies;
-       /*
-        * check to make sure plcp_msec is not 0 to prevent division
-        * by zero.
-        */
-       if (plcp_msec) {
-               combined_plcp_delta =
-                       (le32_to_cpu(current_stat.rx.ofdm.plcp_err) -
-                       le32_to_cpu(priv->_3945.statistics.rx.ofdm.plcp_err));
-
-               if ((combined_plcp_delta > 0) &&
-                       ((combined_plcp_delta * 100) / plcp_msec) >
-                       priv->cfg->base_params->plcp_delta_threshold) {
-                       /*
-                        * if plcp_err exceed the threshold, the following
-                        * data is printed in csv format:
-                        *    Text: plcp_err exceeded %d,
-                        *    Received ofdm.plcp_err,
-                        *    Current ofdm.plcp_err,
-                        *    combined_plcp_delta,
-                        *    plcp_msec
-                        */
-                       IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, "
-                               "%u, %d, %u mSecs\n",
-                               priv->cfg->base_params->plcp_delta_threshold,
-                               le32_to_cpu(current_stat.rx.ofdm.plcp_err),
-                               combined_plcp_delta, plcp_msec);
-                       /*
-                        * Reset the RF radio due to the high plcp
-                        * error rate
-                        */
-                       rc = false;
-               }
-       }
-       return rc;
-}
-
 void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
                struct iwl_rx_mem_buffer *rxb)
 {