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iwlwifi: move iwl_toggle_rx_ant to agn
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The iwl_toggle_tx_ant function is only used
by agn code, so it can be moved into the
agn module instead of being exported from
the core.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Johannes Berg authored and Wey-Yi Guy committed Oct 7, 2010
1 parent 635b85b commit facd982
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Showing 4 changed files with 19 additions and 20 deletions.
17 changes: 17 additions & 0 deletions drivers/net/wireless/iwlwifi/iwl-agn-lib.c
Original file line number Diff line number Diff line change
Expand Up @@ -2205,3 +2205,20 @@ void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 ||
active_rx_cnt < idle_rx_cnt);
}

u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid)
{
int i;
u8 ind = ant;

if (priv->band == IEEE80211_BAND_2GHZ &&
priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)
return 0;

for (i = 0; i < RATE_ANT_NUM - 1; i++) {
ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
if (valid & BIT(ind))
return ind;
}
return ant;
}
2 changes: 2 additions & 0 deletions drivers/net/wireless/iwlwifi/iwl-agn.h
Original file line number Diff line number Diff line change
Expand Up @@ -216,6 +216,8 @@ static inline bool iwl_is_tx_success(u32 status)
(status == TX_STATUS_DIRECT_DONE);
}

u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);

/* rx */
void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
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18 changes: 0 additions & 18 deletions drivers/net/wireless/iwlwifi/iwl-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -72,24 +72,6 @@ MODULE_PARM_DESC(bt_coex_active, "enable wifi/bluetooth co-exist");
u32 iwl_debug_level;
EXPORT_SYMBOL(iwl_debug_level);

u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid)
{
int i;
u8 ind = ant;

if (priv->band == IEEE80211_BAND_2GHZ &&
priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)
return 0;

for (i = 0; i < RATE_ANT_NUM - 1; i++) {
ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
if (valid & BIT(ind))
return ind;
}
return ant;
}
EXPORT_SYMBOL(iwl_toggle_tx_ant);

const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
EXPORT_SYMBOL(iwl_bcast_addr);

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2 changes: 0 additions & 2 deletions drivers/net/wireless/iwlwifi/iwl-core.h
Original file line number Diff line number Diff line change
Expand Up @@ -550,8 +550,6 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
struct iwl_rxon_context *ctx);

u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);

static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
{
return BIT(ant_idx) << RATE_MCS_ANT_POS;
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