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iwlwifi: use mac80211 channel for radar check

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In channel switch, instead of relying on our internal
channel database, just use the mac80211 channel that
we filled with that information on startup.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-05-16 16:37:57 +02:00
parent d9b9d940ac
commit cc66880ba5
1 changed files with 2 additions and 18 deletions
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20
drivers/net/wireless/iwlwifi/iwl-agn-devices.c
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@ -455,7 +455,6 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
*/
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl5000_channel_switch_cmd cmd;
const struct iwl_channel_info *ch_info;
u32 switch_time_in_usec, ucode_switch_time;
u16 ch;
u32 tsf_low;
@ -505,14 +504,7 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
}
IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
cmd.switch_time);
ch_info = iwl_get_channel_info(priv, priv->band, ch);
if (ch_info)
cmd.expect_beacon = is_channel_radar(ch_info);
else {
IWL_ERR(priv, "invalid channel switch from %u to %u\n",
ctx->active.channel, ch);
return -EFAULT;
}
cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
return iwl_dvm_send_cmd(priv, &hcmd);
}
@ -654,7 +646,6 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
*/
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl6000_channel_switch_cmd cmd;
const struct iwl_channel_info *ch_info;
u32 switch_time_in_usec, ucode_switch_time;
u16 ch;
u32 tsf_low;
@ -704,14 +695,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
}
IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
cmd.switch_time);
ch_info = iwl_get_channel_info(priv, priv->band, ch);
if (ch_info)
cmd.expect_beacon = is_channel_radar(ch_info);
else {
IWL_ERR(priv, "invalid channel switch from %u to %u\n",
ctx->active.channel, ch);
return -EFAULT;
}
cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
return iwl_dvm_send_cmd(priv, &hcmd);
}