From: Zhu Yi <yi.zhu@xxxxxxxxx>
The patch cleans up the HT40 extension channels setup for EEPROM
band 6 and 7 to make it more readable.
Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx>
Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-eeprom.c | 37 +++++++++-------------------
1 files changed, 12 insertions(+), 25 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 78c4a32..ded6332 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -484,14 +484,14 @@ static void iwl_init_band_reference(const struct iwl_priv *priv,
? # x " " : "")
/**
- * iwl_set_ht40_chan_info - Copy ht40 channel info into driver's priv.
+ * iwl_mod_ht40_chan_info - Copy ht40 channel info into driver's priv.
*
* Does not set up a command, or touch hardware.
*/
-static int iwl_set_ht40_chan_info(struct iwl_priv *priv,
+static int iwl_mod_ht40_chan_info(struct iwl_priv *priv,
enum ieee80211_band band, u16 channel,
const struct iwl_eeprom_channel *eeprom_ch,
- u8 ht40_extension_channel)
+ u8 clear_ht40_extension_channel)
{
struct iwl_channel_info *ch_info;
@@ -523,7 +523,7 @@ static int iwl_set_ht40_chan_info(struct iwl_priv *priv,
ch_info->ht40_min_power = 0;
ch_info->ht40_scan_power = eeprom_ch->max_power_avg;
ch_info->ht40_flags = eeprom_ch->flags;
- ch_info->ht40_extension_channel = ht40_extension_channel;
+ ch_info->ht40_extension_channel &= ~clear_ht40_extension_channel;
return 0;
}
@@ -592,8 +592,7 @@ int iwl_init_channel_map(struct iwl_priv *priv)
/* First write that ht40 is not enabled, and then enable
* one by one */
ch_info->ht40_extension_channel =
- (IEEE80211_CHAN_NO_HT40PLUS |
- IEEE80211_CHAN_NO_HT40MINUS);
+ IEEE80211_CHAN_NO_HT40;
if (!(is_channel_valid(ch_info))) {
IWL_DEBUG_INFO(priv, "Ch. %d Flags %x [%sGHz] - "
@@ -652,7 +651,6 @@ int iwl_init_channel_map(struct iwl_priv *priv)
/* Two additional EEPROM bands for 2.4 and 5 GHz HT40 channels */
for (band = 6; band <= 7; band++) {
enum ieee80211_band ieeeband;
- u8 ht40_extension_chan;
iwl_init_band_reference(priv, band, &eeprom_ch_count,
&eeprom_ch_info, &eeprom_ch_index);
@@ -663,28 +661,17 @@ int iwl_init_channel_map(struct iwl_priv *priv)
/* Loop through each band adding each of the channels */
for (ch = 0; ch < eeprom_ch_count; ch++) {
-
- if ((band == 6) &&
- ((eeprom_ch_index[ch] == 5) ||
- (eeprom_ch_index[ch] == 6) ||
- (eeprom_ch_index[ch] == 7)))
- /* both are allowed: above and below */
- ht40_extension_chan = 0;
- else
- ht40_extension_chan =
- IEEE80211_CHAN_NO_HT40MINUS;
-
/* Set up driver's info for lower half */
- iwl_set_ht40_chan_info(priv, ieeeband,
+ iwl_mod_ht40_chan_info(priv, ieeeband,
eeprom_ch_index[ch],
- &(eeprom_ch_info[ch]),
- ht40_extension_chan);
+ &eeprom_ch_info[ch],
+ IEEE80211_CHAN_NO_HT40PLUS);
/* Set up driver's info for upper half */
- iwl_set_ht40_chan_info(priv, ieeeband,
- (eeprom_ch_index[ch] + 4),
- &(eeprom_ch_info[ch]),
- IEEE80211_CHAN_NO_HT40PLUS);
+ iwl_mod_ht40_chan_info(priv, ieeeband,
+ eeprom_ch_index[ch] + 4,
+ &eeprom_ch_info[ch],
+ IEEE80211_CHAN_NO_HT40MINUS);
}
}
--
1.5.6.3
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