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iwl3945: avoid redundant iwl3945_get_active_dwell_time 

iwl3945_get_active_dwell_time is called twice within the same context.
The patch removes one instance.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Abhijeet Kolekar 2008-09-03 11:26:31 +08:00 committed by John W. Linville
parent dc4b1e7dda
commit 8f4807a122
1 changed files with 3 additions and 4 deletions
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7
drivers/net/wireless/iwlwifi/iwl3945-base.c
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@ -4814,7 +4814,6 @@ static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv,
static u16 iwl3945_get_passive_dwell_time(struct iwl3945_priv *priv,
enum ieee80211_band band)
{
u16 active = iwl3945_get_active_dwell_time(priv, band);
u16 passive = (band == IEEE80211_BAND_2GHZ) ?
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
@ -4829,9 +4828,6 @@ static u16 iwl3945_get_passive_dwell_time(struct iwl3945_priv *priv,
passive = (passive * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
}
if (passive <= active)
passive = active + 1;
return passive;
}
@ -4856,6 +4852,9 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv,
active_dwell = iwl3945_get_active_dwell_time(priv, band);
passive_dwell = iwl3945_get_passive_dwell_time(priv, band);
if (passive_dwell <= active_dwell)
passive_dwell = active_dwell + 1;
for (i = 0, added = 0; i < sband->n_channels; i++) {
if (channels[i].flags & IEEE80211_CHAN_DISABLED)
continue;