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authorAbhijeet Kolekar <abhijeet.kolekar@intel.com>2008-09-03 11:26:31 +0800
committerJohn W. Linville <linville@tuxdriver.com>2008-09-08 14:23:16 -0400
commit8f4807a122d3ef680ae85c71f0b49ba8ec6d904a (patch)
tree756970801526fb91630a9edd1ff4e282a5defdd4 /drivers
parentdc4b1e7dda331c64dacd794a9380d4cff8547cce (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index f0081ded6dd..e3be7f4c648 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -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;