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Commit 7f34778e authored by Mohammed Shafi Shajakhan's avatar Mohammed Shafi Shajakhan Committed by John W. Linville
Browse files

ath9k_htc: Add a modparam to enable BTCOEX rather than default 



Enable BTCOEX for WB193(which seems to be the only supported
ath9k_htc BTCOEX chipset)only when it is enabled via modparam,
rather than enabling it by default.

Cc: Vivek Natarajan <nataraja@qualcomm.com>
Signed-off-by: default avatarMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent fed27f6f

drivers/net/wireless/ath/ath9k/htc_drv_gpio.c

+9 −0
Original line number Diff line number Diff line
@@ -182,8 +182,17 @@ void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv) 
void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)

{

	struct ath_hw *ah = priv->ah;

	struct ath_common *common = ath9k_hw_common(ah);

	int qnum;



	/*

	 * Check if BTCOEX is globally disabled.

	 */

	if (!common->btcoex_enabled) {

		ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_NONE;

		return;

	}



	if (product && strncmp(product, ATH_HTC_BTCOEX_PRODUCT_ID, 5) == 0) {

		ah->btcoex_hw.scheme = ATH_BTCOEX_CFG_3WIRE;

	}

drivers/net/wireless/ath/ath9k/htc_drv_init.c

+5 −0
Original line number Diff line number Diff line
@@ -30,6 +30,10 @@ int htc_modparam_nohwcrypt; 
module_param_named(nohwcrypt, htc_modparam_nohwcrypt, int, 0444);

MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");



static int ath9k_htc_btcoex_enable;

module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444);

MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");



#define CHAN2G(_freq, _idx)  { \

	.center_freq = (_freq), \

	.hw_value = (_idx), \
@@ -635,6 +639,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv, 
	common->hw = priv->hw;

	common->priv = priv;

	common->debug_mask = ath9k_debug;

	common->btcoex_enabled = ath9k_htc_btcoex_enable == 1;



	spin_lock_init(&priv->beacon_lock);

	spin_lock_init(&priv->tx.tx_lock);