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authorStanislaw Gruszka <sgruszka@redhat.com>2011-12-23 08:13:44 +0100
committerJohn W. Linville <linville@tuxdriver.com>2012-01-04 14:30:44 -0500
commita0c1ef3b12f88c0ed7683472395145e491808b4b (patch)
tree64898a51da973c8e029fbea69cf18a5577d07cff /drivers/net
parent17d4eca6432bb1d4753d7894b824271673a1640a (diff)
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/net')
-rw-r--r--drivers/net/wireless/iwlegacy/4965-mac.c41
-rw-r--r--drivers/net/wireless/iwlegacy/4965.h2
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 4aaef413556..e1dfb2c4f83 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 74472314bc3..ca254aa4fd3 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);