iwlwifi: remove support for Narrow Channel (10Mhz)

Setting Narrow Channel bit in the scan command caused the device
not to send probe request on all the channels

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

7 files changed, 5 insertions, 24 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
index ad612a8719f..8821c26992f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
@@ -126,7 +126,7 @@ enum {
         EEPROM_CHANNEL_ACTIVE = (1 << 3),       /* active scanning allowed */
         EEPROM_CHANNEL_RADAR = (1 << 4),        /* radar detection required */
         EEPROM_CHANNEL_WIDE = (1 << 5),         /* 20 MHz channel okay */
-        EEPROM_CHANNEL_NARROW = (1 << 6),       /* 10 MHz channel (not used) */
+        /* Bit 6 Reserved (was Narrow Channel) */
         EEPROM_CHANNEL_DFS = (1 << 7),  /* dynamic freq selection candidate */
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index c7695a215a3..fb96c62ad0f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -924,11 +924,6 @@ static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
         return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
 }
 
-static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
-{
-        return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
-}
-
 static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
 {
         return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index 31f5447b797..07209f85cb5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -1227,11 +1227,6 @@ static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
         return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
 }
 
-static inline int is_channel_narrow(const struct iwl_channel_info *ch_info)
-{
-        return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
-}
-
 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
 {
         return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index a436f877882..efd48ca27a8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -377,7 +377,7 @@ static int iwl4965_set_fat_chan_info(struct iwl_priv *priv,
         if (!is_channel_valid(ch_info))
                 return -1;
 
-        IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
+        IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s(0x%02x"
                         " %ddBm): Ad-Hoc %ssupported\n",
                         ch_info->channel,
                         is_channel_a_band(ch_info) ?
@@ -386,7 +386,6 @@ static int iwl4965_set_fat_chan_info(struct iwl_priv *priv,
                         CHECK_AND_PRINT(ACTIVE),
                         CHECK_AND_PRINT(RADAR),
                         CHECK_AND_PRINT(WIDE),
-                        CHECK_AND_PRINT(NARROW),
                         CHECK_AND_PRINT(DFS),
                         eeprom_ch->flags,
                         eeprom_ch->max_power_avg,
@@ -490,7 +489,7 @@ int iwl_init_channel_map(struct iwl_priv *priv)
                         ch_info->scan_power = eeprom_ch_info[ch].max_power_avg;
                         ch_info->min_power = 0;
 
-                        IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x"
+                        IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
                                        " %ddBm): Ad-Hoc %ssupported\n",
                                        ch_info->channel,
                                        is_channel_a_band(ch_info) ?
@@ -500,7 +499,6 @@ int iwl_init_channel_map(struct iwl_priv *priv)
                                        CHECK_AND_PRINT_I(ACTIVE),
                                        CHECK_AND_PRINT_I(RADAR),
                                        CHECK_AND_PRINT_I(WIDE),
-                                       CHECK_AND_PRINT_I(NARROW),
                                        CHECK_AND_PRINT_I(DFS),
                                        eeprom_ch_info[ch].flags,
                                        eeprom_ch_info[ch].max_power_avg,
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index 26a73e918c5..d5768146d02 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -106,7 +106,7 @@ enum {
         EEPROM_CHANNEL_ACTIVE = (1 << 3),       /* active scanning allowed */
         EEPROM_CHANNEL_RADAR = (1 << 4),        /* radar detection required */
         EEPROM_CHANNEL_WIDE = (1 << 5),         /* 20 MHz channel okay */
-        EEPROM_CHANNEL_NARROW = (1 << 6),       /* 10 MHz channel (not used) */
+        /* Bit 6 Reserved (was Narrow Channel) */
         EEPROM_CHANNEL_DFS = (1 << 7),  /* dynamic freq selection candidate */
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 7bdffa9cfea..67fd267c99c 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4841,7 +4841,7 @@ static int iwl3945_init_channel_map(struct iwl3945_priv *priv)
                         ch_info->scan_power = eeprom_ch_info[ch].max_power_avg;
                         ch_info->min_power = 0;
 
-                        IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x"
+                        IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
                                        " %ddBm): Ad-Hoc %ssupported\n",
                                        ch_info->channel,
                                        is_channel_a_band(ch_info) ?
@@ -4851,7 +4851,6 @@ static int iwl3945_init_channel_map(struct iwl3945_priv *priv)
                                        CHECK_AND_PRINT(ACTIVE),
                                        CHECK_AND_PRINT(RADAR),
                                        CHECK_AND_PRINT(WIDE),
-                                       CHECK_AND_PRINT(NARROW),
                                        CHECK_AND_PRINT(DFS),
                                        eeprom_ch_info[ch].flags,
                                        eeprom_ch_info[ch].max_power_avg,
@@ -4987,9 +4986,6 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv,
                 if (scan_ch->type & 1)
                         scan_ch->type |= (direct_mask << 1);
 
-                if (is_channel_narrow(ch_info))
-                        scan_ch->type |= (1 << 7);
-
                 scan_ch->active_dwell = cpu_to_le16(active_dwell);
                 scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 11339efa273..6309f08c3a1 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -4392,9 +4392,6 @@ static int iwl4965_get_channels_for_scan(struct iwl_priv *priv,
                 if (scan_ch->type & 1)
                         scan_ch->type |= (direct_mask << 1);
 
-                if (is_channel_narrow(ch_info))
-                        scan_ch->type |= (1 << 7);
-
                 scan_ch->active_dwell = cpu_to_le16(active_dwell);
                 scan_ch->passive_dwell = cpu_to_le16(passive_dwell);