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ath9k: Fix basic connectivity issue

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This patch temporarily fixes a regression introduced by BT coexistence support.
There is an instability in connection when BT coexistence is enabled on some h/w.
This interim fix introduces a module parameter for BT coexistence configuration.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2009-01-10 17:07:09 +05:30 committed by John W. Linville
parent 217875a37d
commit 138ab2e44e
1 changed files with 5 additions and 1 deletions
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6
drivers/net/wireless/ath9k/hw.c
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@ -23,6 +23,10 @@
#include "phy.h"
#include "initvals.h"
static int btcoex_enable;
module_param(btcoex_enable, bool, 0);
MODULE_PARM_DESC(btcoex_enable, "Enable Bluetooth coexistence support");
#define ATH9K_CLOCK_RATE_CCK 22
#define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
#define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
@ -3358,7 +3362,7 @@ bool ath9k_hw_fill_cap_info(struct ath_hal *ah)
pCap->num_antcfg_2ghz =
ath9k_hw_get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
if (AR_SREV_9280_10_OR_LATER(ah)) {
if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) {
pCap->hw_caps |= ATH9K_HW_CAP_BT_COEX;
ah->ah_btactive_gpio = 6;
ah->ah_wlanactive_gpio = 5;