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
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -402,72 +402,6 @@
}
#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(¤t_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)
{