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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>
This commit is contained in:
David S. Miller 2011-02-14 13:28:00 -08:00
parent 8bc26a008f
commit 5d17920bd4
1 changed files with 0 additions and 66 deletions
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66
drivers/net/wireless/iwlwifi/iwl-3945.c
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@ -402,72 +402,6 @@ static void iwl3945_accumulative_statistics(struct iwl_priv *priv,
} }
#endif #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, void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb) struct iwl_rx_mem_buffer *rxb)
{ {