From: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx>
btcoex duty cyle allows user to balance the performance
between WLAN and BT.
Signed-off-by: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/gpio.c | 4 +---
drivers/net/wireless/ath/ath9k/init.c | 10 ++++++++++
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index ddb2886..782a2f2 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -278,7 +278,7 @@ static void ath_init_btcoex_timer(struct ath_softc *sc)
struct ath_btcoex *btcoex = &sc->btcoex;
btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD;
- btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+ btcoex->btcoex_no_stomp = (100 - btcoex->duty_cycle) *
btcoex->btcoex_period / 100;
btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) *
btcoex->btcoex_period / 100;
@@ -433,8 +433,6 @@ int ath9k_init_btcoex(struct ath_softc *sc)
break;
case ATH_BTCOEX_CFG_MCI:
ath_init_btcoex_timer(sc);
-
- sc->btcoex.duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
INIT_LIST_HEAD(&sc->btcoex.mci.info);
ath9k_hw_btcoex_init_mci(ah);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 368d9b3..8edd78b 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -73,6 +73,12 @@ struct ath9k_eeprom_ctx {
#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+static int ath9k_btcoex_duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
+module_param_named(btcoex_duty_cycle, ath9k_btcoex_duty_cycle, int, 0444);
+MODULE_PARM_DESC(btcoex_duty_cycle, "BT coexistence duty cycle");
+#endif
+
bool is_ath9k_unloaded;
#ifdef CONFIG_MAC80211_LEDS
@@ -587,6 +593,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
sc->sc_ah = ah;
sc->dfs_detector = dfs_pattern_detector_init(common, NL80211_DFS_UNSET);
sc->tx99_power = MAX_RATE_POWER + 1;
+
init_waitqueue_head(&sc->tx_wait);
sc->cur_chan = &sc->chanctx[0];
if (!ath9k_is_chanctx_enabled())
@@ -602,6 +609,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
common->btcoex_enabled = ath9k_btcoex_enable == 1;
common->disable_ani = false;
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+ sc->btcoex.duty_cycle = ath9k_btcoex_duty_cycle;
+#endif
/*
* Platform quirks.
*/
--
1.9.1
