diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2011-12-23 11:13:44 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-04 23:30:44 +0400 |
| commit | a0c1ef3b12f88c0ed7683472395145e491808b4b (patch) | |
| tree | 64898a51da973c8e029fbea69cf18a5577d07cff /drivers | |
| parent | 17d4eca6432bb1d4753d7894b824271673a1640a (diff) | |
| download | linux-a0c1ef3b12f88c0ed7683472395145e491808b4b.tar.xz | |
iwlegacy: 4965: toggle tx antenna inline
Make function static and change antenna number inline.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/4965-mac.c | 41 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/4965.h | 2 |
2 files changed, 18 insertions, 25 deletions
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 4aaef4135564..e1dfb2c4f832 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -825,6 +825,21 @@ il4965_ant_idx_to_flags(u8 ant_idx) return BIT(ant_idx) << RATE_MCS_ANT_POS; } +static void +il4965_toggle_tx_ant(struct il_priv *il, u8 *ant, u8 valid) +{ + int i; + u8 ind = *ant; + + for (i = 0; i < RATE_ANT_NUM - 1; i++) { + ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0; + if (valid & BIT(ind)) { + *ant = ind; + return; + } + } +} + int il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif) { @@ -960,8 +975,7 @@ il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif) if (il->cfg->scan_rx_antennas[band]) rx_ant = il->cfg->scan_rx_antennas[band]; - il->scan_tx_ant[band] = - il4965_toggle_tx_ant(il, il->scan_tx_ant[band], scan_tx_antennas); + il4965_toggle_tx_ant(il, &il->scan_tx_ant[band], scan_tx_antennas); rate_flags |= il4965_ant_idx_to_flags(il->scan_tx_ant[band]); scan->tx_cmd.rate_n_flags = il4965_hw_set_rate_n_flags(rate, rate_flags); @@ -1171,20 +1185,6 @@ il4965_set_rxon_chain(struct il_priv *il, struct il_rxon_context *ctx) active_rx_cnt < idle_rx_cnt); } -u8 -il4965_toggle_tx_ant(struct il_priv *il, u8 ant, u8 valid) -{ - int i; - u8 ind = ant; - - 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; -} - static const char * il4965_get_fh_string(int cmd) { @@ -1588,10 +1588,7 @@ il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd, rate_flags |= RATE_MCS_CCK_MSK; /* Set up antennas */ - il->mgmt_tx_ant = - il4965_toggle_tx_ant(il, il->mgmt_tx_ant, - il->hw_params.valid_tx_ant); - + il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant); rate_flags |= il4965_ant_idx_to_flags(il->mgmt_tx_ant); /* Set the rate in the TX cmd */ @@ -3540,9 +3537,7 @@ il4965_hw_get_beacon_cmd(struct il_priv *il, struct il_frame *frame) /* Set up packet rate and flags */ rate = il_get_lowest_plcp(il, il->beacon_ctx); - il->mgmt_tx_ant = - il4965_toggle_tx_ant(il, il->mgmt_tx_ant, - il->hw_params.valid_tx_ant); + il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant); rate_flags = il4965_ant_idx_to_flags(il->mgmt_tx_ant); if ((rate >= IL_FIRST_CCK_RATE) && (rate <= IL_LAST_CCK_RATE)) rate_flags |= RATE_MCS_CCK_MSK; diff --git a/drivers/net/wireless/iwlegacy/4965.h b/drivers/net/wireless/iwlegacy/4965.h index 74472314bc37..ca254aa4fd35 100644 --- a/drivers/net/wireless/iwlegacy/4965.h +++ b/drivers/net/wireless/iwlegacy/4965.h @@ -107,8 +107,6 @@ void il4965_set_wr_ptrs(struct il_priv *il, int txq_id, u32 idx); void il4965_tx_queue_set_status(struct il_priv *il, struct il_tx_queue *txq, int tx_fifo_id, int scd_retry); -u8 il4965_toggle_tx_ant(struct il_priv *il, u8 ant_idx, u8 valid); - /* rx */ void il4965_hdl_missed_beacon(struct il_priv *il, struct il_rx_buf *rxb); bool il4965_good_plcp_health(struct il_priv *il, struct il_rx_pkt *pkt); |