diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlegacy')
| -rw-r--r-- | drivers/net/wireless/intel/iwlegacy/3945-mac.c | 38 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlegacy/3945.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlegacy/common.c | 31 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlegacy/common.h | 1 |
4 files changed, 0 insertions, 71 deletions
diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c index 74fc76c00ebcf..4013443698a21 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -1127,44 +1127,6 @@ il3945_rx_queue_free(struct il_priv *il, struct il_rx_queue *rxq) rxq->rb_stts = NULL; } -/* Convert linear signal-to-noise ratio into dB */ -static u8 ratio2dB[100] = { -/* 0 1 2 3 4 5 6 7 8 9 */ - 0, 0, 6, 10, 12, 14, 16, 17, 18, 19, /* 00 - 09 */ - 20, 21, 22, 22, 23, 23, 24, 25, 26, 26, /* 10 - 19 */ - 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, /* 20 - 29 */ - 29, 30, 30, 30, 31, 31, 31, 31, 32, 32, /* 30 - 39 */ - 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, /* 40 - 49 */ - 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, /* 50 - 59 */ - 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, /* 60 - 69 */ - 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, /* 70 - 79 */ - 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, /* 80 - 89 */ - 39, 39, 39, 39, 39, 40, 40, 40, 40, 40 /* 90 - 99 */ -}; - -/* Calculates a relative dB value from a ratio of linear - * (i.e. not dB) signal levels. - * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ -int -il3945_calc_db_from_ratio(int sig_ratio) -{ - /* 1000:1 or higher just report as 60 dB */ - if (sig_ratio >= 1000) - return 60; - - /* 100:1 or higher, divide by 10 and use table, - * add 20 dB to make up for divide by 10 */ - if (sig_ratio >= 100) - return 20 + (int)ratio2dB[sig_ratio / 10]; - - /* We shouldn't see this */ - if (sig_ratio < 1) - return 0; - - /* Use table for ratios 1:1 - 99:1 */ - return (int)ratio2dB[sig_ratio]; -} - /* * il3945_rx_handle - Main entry function for receiving responses from uCode * diff --git a/drivers/net/wireless/intel/iwlegacy/3945.h b/drivers/net/wireless/intel/iwlegacy/3945.h index ffbe11902628c..fb1e33c89d0e8 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945.h +++ b/drivers/net/wireless/intel/iwlegacy/3945.h @@ -173,7 +173,6 @@ struct il3945_ibss_seq { * for use by iwl-*.c * *****************************************************************************/ -int il3945_calc_db_from_ratio(int sig_ratio); void il3945_rx_replenish(void *data); void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq); unsigned int il3945_fill_beacon_frame(struct il_priv *il, diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index 958dd4f9bc692..af4f42534ea02 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -3915,37 +3915,6 @@ il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf) } EXPORT_SYMBOL(il_set_rxon_ht); -/* Return valid, unused, channel for a passive scan to reset the RF */ -u8 -il_get_single_channel_number(struct il_priv *il, enum nl80211_band band) -{ - const struct il_channel_info *ch_info; - int i; - u8 channel = 0; - u8 min, max; - - if (band == NL80211_BAND_5GHZ) { - min = 14; - max = il->channel_count; - } else { - min = 0; - max = 14; - } - - for (i = min; i < max; i++) { - channel = il->channel_info[i].channel; - if (channel == le16_to_cpu(il->staging.channel)) - continue; - - ch_info = il_get_channel_info(il, band, channel); - if (il_is_channel_valid(ch_info)) - break; - } - - return channel; -} -EXPORT_SYMBOL(il_get_single_channel_number); - /* * il_set_rxon_channel - Set the band and channel values in staging RXON * @ch: requested channel as a pointer to struct ieee80211_channel diff --git a/drivers/net/wireless/intel/iwlegacy/common.h b/drivers/net/wireless/intel/iwlegacy/common.h index 725c2a88ddb78..92285412ab109 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.h +++ b/drivers/net/wireless/intel/iwlegacy/common.h @@ -1705,7 +1705,6 @@ int il_full_rxon_required(struct il_priv *il); int il_set_rxon_channel(struct il_priv *il, struct ieee80211_channel *ch); void il_set_flags_for_band(struct il_priv *il, enum nl80211_band band, struct ieee80211_vif *vif); -u8 il_get_single_channel_number(struct il_priv *il, enum nl80211_band band); void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf); bool il_is_ht40_tx_allowed(struct il_priv *il, struct ieee80211_sta_ht_cap *ht_cap); |