iwlwifi: move channels sysfs to debugfs

This patch moves channels info display from sysfs to debugfs.
This shows channel information as stored in NIC EEPROM. This
is useful in debugging CRDA or iwl goes setting so it belongs
rather to debugfs then to sysfs.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 63 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 40905d2dc231..e8368b69d8cd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3580,68 +3580,6 @@ static ssize_t show_power_level(struct device *d,
 static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level,
                    store_power_level);
 
-static ssize_t show_channels(struct device *d,
-                             struct device_attribute *attr, char *buf)
-{
-
-        struct iwl_priv *priv = dev_get_drvdata(d);
-        struct ieee80211_channel *channels = NULL;
-        const struct ieee80211_supported_band *supp_band = NULL;
-        int len = 0, i;
-        int count = 0;
-
-        if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
-                return -EAGAIN;
-
-        supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
-        channels = supp_band->channels;
-        count = supp_band->n_channels;
-
-        len += sprintf(&buf[len],
-                        "Displaying %d channels in 2.4GHz band "
-                        "(802.11bg):\n", count);
-
-        for (i = 0; i < count; i++)
-                len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n",
-                                ieee80211_frequency_to_channel(
-                                channels[i].center_freq),
-                                channels[i].max_power,
-                                channels[i].flags & IEEE80211_CHAN_RADAR ?
-                                " (IEEE 802.11h required)" : "",
-                                (!(channels[i].flags & IEEE80211_CHAN_NO_IBSS)
-                                || (channels[i].flags &
-                                IEEE80211_CHAN_RADAR)) ? "" :
-                                ", IBSS",
-                                channels[i].flags &
-                                IEEE80211_CHAN_PASSIVE_SCAN ?
-                                "passive only" : "active/passive");
-
-        supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
-        channels = supp_band->channels;
-        count = supp_band->n_channels;
-
-        len += sprintf(&buf[len], "Displaying %d channels in 5.2GHz band "
-                        "(802.11a):\n", count);
-
-        for (i = 0; i < count; i++)
-                len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n",
-                                ieee80211_frequency_to_channel(
-                                channels[i].center_freq),
-                                channels[i].max_power,
-                                channels[i].flags & IEEE80211_CHAN_RADAR ?
-                                " (IEEE 802.11h required)" : "",
-                                ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
-                                || (channels[i].flags &
-                                IEEE80211_CHAN_RADAR)) ? "" :
-                                ", IBSS",
-                                channels[i].flags &
-                                IEEE80211_CHAN_PASSIVE_SCAN ?
-                                "passive only" : "active/passive");
-
-        return len;
-}
-
-static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL);
 
 static ssize_t show_statistics(struct device *d,
                                struct device_attribute *attr, char *buf)
@@ -3741,7 +3679,6 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
 }
 
 static struct attribute *iwl_sysfs_entries[] = {
-        &dev_attr_channels.attr,
         &dev_attr_flags.attr,
         &dev_attr_filter_flags.attr,
         &dev_attr_power_level.attr,