From d9b9d940ac2d1c03ec955dc921dd12e432a64e5c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 16 May 2012 15:44:27 +0200
Subject: [PATCH] iwlwifi: use mac80211 channels for reset scan
Instead of iterating our own channel list,
use the mac80211 channel list since that's
already processed per band and thus makes
for less code.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/iwlwifi/iwl-scan.c | 28 +++++++------------------
1 file changed, 8 insertions(+), 20 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index ea05ae8280e1..069849e66234 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -447,27 +447,17 @@ static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
/* Return valid, unused, channel for a passive scan to reset the RF */
static u8 iwl_get_single_channel_number(struct iwl_priv *priv,
- enum ieee80211_band band)
+ enum ieee80211_band band)
{
- const struct iwl_channel_info *ch_info;
- int i;
- u8 channel = 0;
- u8 min, max;
+ struct ieee80211_supported_band *sband = priv->hw->wiphy->bands[band];
struct iwl_rxon_context *ctx;
+ int i;
- if (band == IEEE80211_BAND_5GHZ) {
- min = 14;
- max = priv->channel_count;
- } else {
- min = 0;
- max = 14;
- }
-
- for (i = min; i < max; i++) {
+ for (i = 0; i < sband->n_channels; i++) {
bool busy = false;
for_each_context(priv, ctx) {
- busy = priv->channel_info[i].channel ==
+ busy = sband->channels[i].hw_value ==
le16_to_cpu(ctx->staging.channel);
if (busy)
break;
@@ -476,13 +466,11 @@ static u8 iwl_get_single_channel_number(struct iwl_priv *priv,
if (busy)
continue;
- channel = priv->channel_info[i].channel;
- ch_info = iwl_get_channel_info(priv, band, channel);
- if (is_channel_valid(ch_info))
- break;
+ if (!(sband->channels[i].flags & IEEE80211_CHAN_DISABLED))
+ return sband->channels[i].hw_value;
}
- return channel;
+ return 0;
}
static int iwl_get_single_channel_for_scan(struct iwl_priv *priv,
--
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